Welcome to LookChem.com Sign In|Join Free
  • or
Home > Pharmaceutical > 125 > 

125-20-2

Basic Information
CAS No.: 125-20-2
Name: Thymolphthalein
Molecular Structure:
Molecular Structure of 125-20-2 (Thymolphthalein)
Formula: C28H30O4
Molecular Weight: 430.54
Synonyms: 1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-2-methyl-5-(1-methylethyl)phenyl)-;Phenolphthalein, 5,5-diisopropyl-2,2-dimethyl- (8CI);3,3-Bis(4-hydroxy-5-isopropyl-o-tolyl)phthalide;Phenolphthalein, 5,5-diisopropyl-2,2-dimethyl-;3,3-bis(4-hydroxy-2-methyl-5-propan-2-yl-phenyl)isobenzofuran-1-one;1(3H)-Isobenzofuranone,3,3-bis[4-hydroxy-2- methyl-5-(1-methylethyl)phenyl]-;Thymol Phthalein;
EINECS: 204-729-7
Density: 1.187 g/cm3
Melting Point: 251-253 °C(lit.)
Boiling Point: 571.6 °C at 760 mmHg
Flash Point: 187.5 °C
Solubility: Insoluble in water
Appearance: white fine crystalline powder
Hazard Symbols: FlammableF,HarmfulXn
Risk Codes: 11-40
Safety: 7-16-36/37-24/25-22
Transport Information: UN 1170 3/PG 3
PSA: 66.76000
LogP: 6.42370
Synthetic route
85-44-9

phthalic anhydride

89-83-8

thymol

125-20-2

thymolphthalein

Conditions
ConditionsYield
With methanesulfonic acid at 90℃; for 5h;90%
With niobium pentachloride In methanesulfonic acid at 90℃; for 1.33333h; Friedel-Crafts Acylation;70%
With tin(IV) chloride at 110℃;
3068-34-6, 38874-23-6, 41355-44-6, 51236-40-9, 74081-14-4, 79897-03-3, 100759-09-9, 109581-83-1

2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-glucopyranosyl chloride

125-20-2

thymolphthalein

thymolphthalein-N-acetyl-3,4,6-O-triacetyl-β-D-glucopyranoside

Conditions
ConditionsYield
With tetra(n-butyl)ammonium hydrogensulfate; potassium carbonate In dichloromethane; water at 10 - 20℃; for 3h;61.2%
125-20-2

thymolphthalein

21085-72-3

1-bromo-2,3,4-tri-O-acetyl-α-D-glucuronic acid methyl ester

thymolphtaleine-α-acetyl-D-glucuronic acid methyl ester

Conditions
ConditionsYield
With tetra(n-butyl)ammonium hydrogensulfate; potassium carbonate In dichloromethane; water at 10 - 20℃; for 3h;46.7%
125-20-2

thymolphthalein

21085-72-3

1-bromo-2,3,4-tri-O-acetyl-α-D-glucuronic acid methyl ester

thymolphthalein β-D-glucuronide

Conditions
ConditionsYield
Stage #1: thymolphthalein; 1-bromo-2,3,4-tri-O-acetyl-α-D-glucuronic acid methyl ester With silver(l) oxide In methanol at 20℃; for 8h;
Stage #2: With methanol; sodium hydroxide at 20℃; for 4h; Reagent/catalyst; Solvent;
35%
125-20-2

thymolphthalein

108-24-7

acetic anhydride

3,3-bis-(4-acetoxy-5-isopropyl-2-methyl-phenyl)-phthalide

Conditions
ConditionsYield
With sulfuric acid; acetic acid
125-20-2

thymolphthalein

74-88-4

methyl iodide

3,3-bis-(5-isopropyl-4-methoxy-2-methyl-phenyl)-phthalide

Conditions
ConditionsYield
With potassium carbonate; acetone
125-20-2

thymolphthalein

zinc dust

zinc dust

KOH-solution

KOH-solution

thymolphthalyne

thymolphthalyne

Raw Materials
89-83-8
85-44-9
  • Display:default sort

    New supplier

  • High purity Various Specifications Thymolphthalein CAS:125-20-2

  • Casno:

    125-20-2

    High purity Various Specifications Thymolphthalein CAS:125-20-2

    Min.Order: 1 Gram

    FOB Price:  USD $ 100.0-500.0/Gram

    Items Standard Result Assay 98%min ---------------------------------------------------------------------------------------------

    Hangzhou Dingyan Chem Co., LTD. is located in the beautiful tourist city of hangzhou, is a comprehensive chemical enterprice which doing import and export business by its own comp

  •  Hangzhou Dingyan Chem Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-571-86465881,86-571-87157530,86-571-88025800

    Address:RM.1118,NO.1 Building, Baiyun Tower,Jianggan Area, Hangzhou city, China,310004

       Inquiry Now

  • Thymolphthalein CAS:125-20-2 Safe delivery Free of customs clearance

  • Casno:

    125-20-2

    MSDS/COA Download

    Thymolphthalein CAS:125-20-2 Safe delivery Free of customs clearance

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 1.0-10.0/Kilogram

    What's our company advantages 1. Government support guarantees good company credibility and finance safe. 2. Finer chem is confident at the quality of the products, and would like to supply free sample to our customers. 3. Factory locates in n

    Mulei (Wuhan) New Material Technology Co. Ltd is a scientific and technological company integrating product research and development, manufacture and trading of chemical intermedia

  •  WUHAN MULEI NEW MATERIAL CO., LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8619831967063

    Address:Office1201#, Block C, Hanjie Headquarters International Plaza, Zhongbei Rd, Wuchang District, Wuhan

       Inquiry Now

  • PH indicator Thymolphthalein Cas 125-20-2 with high quality and best price

  • Casno:

    125-20-2

    PH indicator Thymolphthalein Cas 125-20-2 with high quality and best price

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Unique advantages of Thymolphthalein Cas 125-20-2 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White to slight yellow crystalline powder Storage:Cool dry place Pack

    Wuhan Fortuna Chemical Co., Ltd, located in the predominant Wu Han City where is a traffic hinge of China, is a big integrative chemical enterprise being engaged in producing and

  •  Wuhan Fortuna Chemical Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-27-59207852

    Address:A2705,Dong Yi Shi Qu,129# XinHua Road,WuHan,China

       Inquiry Now

  • Amadis Chemical offer CAS#125-20-2;CAT#A851955

  • Casno:

    125-20-2

    Amadis Chemical offer CAS#125-20-2;CAT#A851955

    Min.Order: 10 Milligram

    FOB Price:  USD $ 0.0-0.0/Milligram

    1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

    Founded in 2011, Amadis Chemical Company Limited is an innovative manufacturer of chemical products and technical service providers. Our business includes sales, manufacture, and s

  •  Amadis Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-571-89925085

    Address:Watts Cosine.No.166.Xiangmao Road.

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Chemwill Asia co.,Ltd is one of the leading manufacturer in CHINA.Our main production base is located in Xuzhou industry park. We produce a wide range of organics including Active pharmaceutical ingredients(APIs), Veterinary, Indole derivatives, Aro

    Our main production base is located in Xuzhou industry park. We produce a wide range of organics including Fine chemicals, Active pharmaceutical ingredients(APIs), Veterinary, In

  •  Chemwill Asia Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:021-51086038

    Address:High-Tech Industrial park,Chemical Economical Development Zone,Xuzhou, Jiangsu-Province, P.R.China

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 2.0-2.0/Kilogram

    DayangChem exported this product to many countries and regions at best price in China. If you are looking for the product’s supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product specifica

    Dayang Chem (Hangzhou) Co.,Ltd. dedicated to the development, production and marketing of chemicals which is specialized in Organic compounds; Active Pharmaceutical Ingredi

  •  Dayang Chem (Hangzhou) Co.,Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-88938639

    Address:9/F, Unit 2 Changdi Torch Building, 259# WenSan Road, Xihu District, Hangzhou City 310012, P.R.China

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

    Our company engages in Electronic chemicals such as OLED,Photoresist chemical,Electrolyte additive and Intermediate Pharmaceutical production; development of noble metal catalysts,

  •  Henan Tianfu Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-371-55170693/55170694

    Address:Zhengzhou International Trade New Territory,Jinshui District,Zhengzhou ,China

       Inquiry Now

  • Manufacturer supply CAS 125-20-2 with competitive price

  • Casno:

    125-20-2

    Manufacturer supply CAS 125-20-2 with competitive price

    Min.Order: 10 Gram

    FOB Price:  USD $ 146.0-176.0/Gram

    WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

    Zhuo Zhou Wen Xi Import and Export Co., Ltd. is a company mainly engaged in the export of pharmaceutical raw materials. Its parent company is (Wen Xi Pharma), including three subs

  •  Zhuozhou Wenxi import and Export Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-13111626072

    Address:Room 1710, Baoxin International Phase I, 19 Guanyun East Road, Zhuozhou, Hebei

       Inquiry Now

  • Thymolphthalein CAS NO.125-20-2

  • Casno:

    125-20-2

    MSDS/COA Download

    Thymolphthalein CAS NO.125-20-2

    Min.Order: 10 Gram

    FOB Price:  USD $ 20.0-20.0/Gram

    1.strict raw material selection 2.mature production process 3.perfect quality control system 4.intimate servcie 5.competitive price 6.downstream customization 7.has a number of highly qualified engineers and experts to provide guida

    HUBEI AOKS BIO-TECH CO.,LTD is located in Hubei province of China.We specialized in Active pharmaceutical ingredient,pharmaceutical intermediates,veterinary drug intermediates and

  •  HUBEI AOKS BIO-TECH CO.,LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-27-52345788

    Address:28F,China Construction Third Bureau,Wuhan,Hubei Province, China

       Inquiry Now

  • Thymolphthalein 125-20-2

  • Casno:

    125-20-2

    Thymolphthalein 125-20-2

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

    Shanghai Upbio Tech Co.,Ltd (Former Onchem (China)Co.,Ltd) is a comprehensive manufacturer and an international distribution of chemicals throughout the world, The predecessor of

  •  Shanghai Upbio Tech Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-21-52196435

    Address:No.2 Floor,No.979 Yunhan Rd,Nicheng,Pudong New Area,Shanghai,China

       Inquiry Now

  • Nice Quality Thymolphthalein Cas No: 125-20-2

  • Casno:

    125-20-2

    MSDS/COA Download

    Nice Quality Thymolphthalein Cas No: 125-20-2

    Min.Order: 10 Gram

    FOB Price:  USD $ 1.0-3.0/Gram

    Our Service: 1. Best quality in your requirement 2. Competitive price in china market 3. Mature technical support 4. Professional logistic support 5 . Full experience of large numberscontainers loading in chinese sea port 6 .Fast

    Wuhan Monad Medicine Tech Co.,LTD is a research and development, production, sales in one high-tech company, own about 100 kinds of products, can provide about more than 30000 kind

  •  Wuhan Monad Medicine Tech Co.,LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8613397160123

    Address:13th Floor, Tower B, Century Plaza, Zhongnan Road, Wuchang District, Wuhan, China.

       Inquiry Now

  • Thymolphthalein manufacturer

  • Casno:

    125-20-2

    Thymolphthalein manufacturer

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers. Our advantages:1, High quality with competitive price:1) Standard:BP/USP/EP/Enterprise standard2) All Purity≥99%3) We are manufacturer

    Shaanxi Mingqi Chemical Co., Ltd is committed to the development of import and export trade in the production, operation and plant extracts of pharmaceutical raw materials and inte

  •  Shaanxi Mingqi Chemical Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:18092428356

    Address:Weiyang District, Fengcheng 5 Road

       Inquiry Now

  • IND ACS thymolphthalein 125-20-2

  • Casno:

    125-20-2

    IND ACS thymolphthalein 125-20-2

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Crovell Biotech (Hebei) Co., Ltd.(Guanlang) is specialized in pharmaceutical intermediates, veterinary drug intermediates and dyes intermediates,such as phenylacetamide, dimethylamine hcl, benzyl chloride etc., Crovell also su

    Hebei Guanlang Biotechnology Co., Ltd. belongs to Guanlang Group,which was founded in 2007 , located in Shijiazhuang city which is the capital of Hebei Province and hub sector amon

  •  Hebei Guanlang Biotechnology Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8619930503256

    Address:No.66, Yuhua West Road

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Thymolphthalein Basic information Product Name: Thymolphthalein Synonyms: 3,3-bis(4-hydroxy-2-methyl-5-(1-methylethyl)phenyl)-1(3H)-Isobenzofuranone;3,3-bis[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl]-1(3h)-isobenzofuranon;Thymolphthalein, for

    SHANGHAI MINSTAR CHEMICAL CO., LTD. is a leading, experienced, professional supplier of API & intermediates, plant extract, food additive, fine chemicals and industry chemicals, et

  •  Shanghai Minstar Chemical Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:0086-21-18019205509

    Address:BUILDING 8, NO.1098, CHUANSHA ROAD, SHANGHAI, CHINA

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

    Shandong Hanjiang Chemical Co., Ltd. is located in Qilu Petrochemical Industrial Park, Zibo City, Shandong Province, involving pesticide, medicine, chemical industry, coating, dy

  •  Shandong Hanjiang Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:18369939125

    Address:95A, Xingyuan East Road, Zhangdian District

       Inquiry Now

  • Beat price/Thymolphthalein

  • Casno:

    125-20-2

    Beat price/Thymolphthalein

    Min.Order: 10 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Price, service, company and transport advantage : 1. best service, high quality and reasonable price 2. it's customers' right to choose the package (ems, dhl, fedex, ups); 3. it's customers' r

    Changchun Artel Import and Export Trade Co., Ltd. is located in Changchun City, Jilin Province. It is a high-tech modern private enterprise specializing in the research, developme

  •  Changchun Artel lmport and Export trade company

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-0431-80543058

    Address:Dianshi Plazza,Chaoyang District

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    MSDS/COA Download

    Thymolphthalein

    Min.Order: 10 Gram

    FOB Price:  USD $ 7.0-9.0/Gram

    0 Risk High quality High service We, Jilin Tely Imp & Exp Co., Ltd. mainly supply and export products including: pharmaceutical raw materials,Chemical reagents, Food additives, pharmaceutical and pesticide intermediates. We have succes

    We, Jilin Tely Imp & Exp Co., Ltd. mainly supply and export products including: pharmaceutical raw materials,Chemical reagents, Food additives, pharmaceutical and pesticide interme

  •  Jilin Tely Imp.& Exp.Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-431-81915458

    Address:Room 302, 47 Changping Street, Chaoyang District, Changchun, Jilin Province,China

       Inquiry Now

  • Thymolphthalein / high quality

  • Casno:

    125-20-2

    Thymolphthalein / high quality

    Min.Order: 5 Kilogram

    FOB Price:  USD $ 1.0-1.0/Kilogram

    Product Name: Thymolphthalein Synonyms: 3,3-bis(4-hydroxy-2-methyl-5-(1-methylethyl)p

    Henan CoreyChem Co., Ltd, based on the original Zhengzhou Cote Chemical Research Institute, be brave in absorbing highly educated talents & overseas returnees; actively responded t

  •  Career Henan Chemical Co

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-371-86658258

    Address:Building 3 of Innovation Park, East District of the National University Science Park

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

    AFINE CHEMICALS LIMITED is specialized in the fine chemicals and pharmaceuticals and we have enjoyed great popularity in world markets. Since 2005, we have been rapidly growing to

  •  Afine Chemicals Limited

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-85134551

    Address:No. 206 Zhen Hua Road, Hangzhou 310030, Zhejiang, China

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 100 Metric Ton

    FOB Price:  USD $ 0.0-0.0/Metric Ton

    Lorcaserin(856681-05-5)is an orally administered agent and a selective 5-HT2C receptor agonist for the treatment of obesity. It had been approved for marketing in US by FDA on 27 June in 2012. In clinical studies, lorcaserin h

    Triumph International Development Limilted is engaged in the API, pharmaceutical intermediates research and developmen.Adhering to the "customer first" business philosophy,we suppl

  •  Triumph International Development Limilted

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-536-7971999

    Address:Yinhai Road,Shouguang

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

    J&H Chemical is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other

  •  Hangzhou J&H Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-87396432

    Address:No.200 Zhenhua Rd.Xihu Industrial Park, Hangzhou 310030, China

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 100.0-100.0/Kilogram

    HangYu Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. HangYu Chemical consis

    Zibo HangYu Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals

  •  Zibo Hangyu Import&Export Co., Ltd

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-15988566987

    Address:Room1701, Tianxing Building,Licheng district, jinan, Shandong, China

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 1 Gram

    FOB Price:  USD $ 10.0-10.0/Gram

    Superiority: Zhejiang J&C Biological Technology Co., Limited is specialized in the production of high complex new type intermediates and chemical custom synthesis, scale-up production and rare chemicals trade. Products category is including I

    ZHEJIANG BIOLOGY AND TECHNOLOGY CO., LTD. is a modern professional high-tech enterprise, which is specializing in generic APIs and pharmaceutical intermediates. especially in pepti

  •  Zhejiang J&C Biological Technology Co.,Limited

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:0570-4045877

    Address:46# zhongshan road, quzhou zhejiang

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 0 Metric Ton

    FOB Price:  USD $ 0.0-0.0/Metric Ton

    Lonwin Industry group limited as a professional manufactor & exporter of chemical materials ,we totally haver more than 270 stuffs, we have been on this line for more than 9 years. Our chemical materials are exported to lot of countries

    Lonwin industry group limited.is a comprehensive chemical enterprise which mainly integrates development, production, marketing ,import and export business. The company is located

  •  Lonwin Chemical Group Limited

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:Tel: 86-21-59885030

    Address:No#966,Huaxu Road,Shanghai 201702,P.R.China

       Inquiry Now

  • Thymolphthalein 125-20-2

  • Casno:

    125-20-2

    Thymolphthalein 125-20-2

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Profile Hebei Ruishun Trade Co.LTD, registered capital of $1 million ,have a production of pharmaceutical raw materials, pharmaceutical raw materials factory reagent r&d center,Seek development by credit reputation. Our products have a large

    Hebei Zhuangkai Biotechnology Co.,Ltd.mainly produces pharmaceutical raw materials, pharmaceutical intermediates and refined products.Our company is one of the important export en

  •  Hebei Zhuangkai Biotechnology Co.,Ltd

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-0311-89278944

    Address:hebei

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Superior quality Appearance:powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used as Pharmaceutical Intermediates Transportation:BY AIR Port

    Hangzhou Yunuo Chemical Co., Ltd. is located in Hangzhou City, China We are specialized in fine chemicals and basic chemical auxiliary materials, Organic compounds, rubber

  •  HANGZHOU YUNUO CHEMICAL CO.,LTD

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:0571-83715115

    Address:hangzhou

       Inquiry Now

  • Thymolphthalein CAS 125-20-2

  • Casno:

    125-20-2

    Thymolphthalein CAS 125-20-2

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 90.0-100.0/Kilogram

    100% safe deliver,100% pass customs Wuhan Lwax Pharma Tech Co.,LTD ingredient,pharmaceutical intermediates,veterinary drugs. We have strong professional research and development team, talented personnel and completely equipped laboratory for the q

    Wuhan Lwax Pharma Tech Co.,LTD dedicated to the development, production and marketing of chemicals which is specialized in Organic compounds; Active Pharmaceutical Ingredient(s); N

  •  Wuhan Lwax Pharma Tech Co.,LTD

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-153-77628531

    Address:Wuhan

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Product name: Thymolphthalein CAS No.: 125-20-2 Synonyms: 3, 3-bis(4-hydroxy-5-isopropyl-o-tolyl)phthalide Chemical Formula: C28H30O4 Appearance: Whit…

    Located in Nanjing, a multi-producing industrial base in eastern China, an important hub of transportation and communication center, a major international commercial port in the Ya

  •  Nanjing Yuance Industry&Trade Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-25-87787622

    Address:B1702, No. 130, Aoti Avenue, Nanjing, China

       Inquiry Now

  • ThymolphthaleinCAS NO.: 125-20-2

  • Casno:

    125-20-2

    ThymolphthaleinCAS NO.: 125-20-2

    Min.Order: 1 Gram

    FOB Price:  USD $ 3.0-3.0/Gram

    We are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED

    The company is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds,

  •  Henan Wentao Chemical Product Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-370-2722992

    Address:32 Room, 5th Floor, Building 11, No. 6 Yinxing Road, High-tech Industrial Development Zone, Zhengzhou City, Henan Province

       Inquiry Now

  • Factory Supply 3,3-bis(4-hydroxy-5-isopropyl-o-tolyl)phthalide

  • Casno:

    125-20-2

    Factory Supply 3,3-bis(4-hydroxy-5-isopropyl-o-tolyl)phthalide

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Ality Holding Group Limited, established in 2007, is a comprehensive Chemical Supply Group with Patent Technology as its core. Ality Group operates branches in Hong Kong, Singapore and mainland China, including production bases in Shandong, Zhejiang

    Ality Group, established in 2007, is a comprehensive Chemical Supply Group with Patent Technology as its core. Ality Group operates branches in Hong Kong, Singapore and mainland Ch

  •  Ality Chemical Corporation

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:0513-87616220

    Address:Fine chemical industry park, Nantong,Jiangsu

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 10.0-10.0/Kilogram

    in stock Assay:99% white powder dentification(HPLC) :The retention time of the major peak in the chromatogram of the assay preparation corresponds to that in the chromatogram of the Conformal standard preparation, as obtained in the ass

    Wuhan Yingyuanbei Biotechnology Co., Ltd. is a high-tech enterprise specializing in R&D and production of pharmaceutical raw materials and intermediates. At present, t

  •  Wuhan Ying Yuan Bei Biological Limited

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-13349903920

    Address:Wuhan

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service an

    Located in Hangzhou National Hi-Tech Industrial Development Zone, Hangzhou zhongqi chem co.,Ltd is an ISO 9001:2015 & SGS certified molden chemical company,who is mainly focus on t

  •  Hangzhou Zhongqi chem Co.,Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:0086-571-86976032

    Address:Kangkang Gu 1010, Chun xiao road 61,Binjiang District 310052,Hangzhou city , China

       Inquiry Now

  • SAGECHEM/Thymolphthalein

  • Casno:

    125-20-2

    SAGECHEM/Thymolphthalein

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe

    SAGECHEM is a chemical R&D, manufacturing and distribution company since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and

  •  SAGECHEM LIMITED

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-86818502

    Address:5Fl. 501Room, Tower A, New Youth Plaza, 8 Jia Shan Road, Hangzhou, China

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification

    Hangzhou Clap Technology Co., Ltd is a leading manufacturer and supplier of API, Pharma intermediates, organic and inorganic compounds, rare earth, pesticide, raw drugs, fine chemi

  •  HANGZHOU CLAP TECHNOLOGY CO,.LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-571-56972507

    Address:Room 4198,Floor 4,No.4,ShanXian Road XiaCheng District,HangZhou city,ZheJiang province,China

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Hangzhou KieRaychem Co.,Ltd.is located in Yuhang District of Hangzhou City and specialized in the chemical product customization, development, sales, import and export. Current business is focused on fine chemicals, pharmaceutical materials and int

    Hangzhou KieRaychem Co.,Ltd.is located in Yuhang District of Hangzhou City and specialized in the chemical product customization, development, sales, import and export. Current bus

  •  Hangzhou KieRay Chem Co.,Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-15336573147

    Address:Room 260, Building 3, No. 76 Xingqiao North Road, Xingqiao Street, Yuhang District, Hangzhou City, Zhejiang Province, China

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification

    Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in carbomer, Dibenzylamine,meglumine,lead acetate and other chemical raw materials and chemical reagents research

  •  Hebei Mojin Biotechnology Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:13231137666

    Address:room 1401,A building,Enjoy city,shijiazhuang city,hebei province,China

       Inquiry Now

  • Thymolphthalein

  • Casno:

    125-20-2

    Thymolphthalein

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    ThymolphthaleinAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air

    Greenutra Resource is committed to the natural ingredients, formulation and application in the field of R&D, production and sales as the “one-step” natural product solution provide

  •  Greenutra Resource Inc

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:0086-411-39553357

    Address:No. 7-1-1802, Huizhi Garden,Ocean Square,Dalian, 116033, China

       Inquiry Now

Please post your buying leads,so that our qualified suppliers will soon contact you!
*Required Fields

Standards and Recommendations

DYE CONTENT: 95.0% min
LOSS ON DRYING: 3.0% max
CLARITY OF SOLUTION: pass
TRANSITION INTERVAL: pH 8.8 to colourless, pH 10.5 to blue
ABSORPTION: 592 - 596 nm 

Specification

The IUPAC name of Thymolphthalein is 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one. With the CAS registry number 125-20-2, it is also named as Phenolphthalein, 5',5''-diisopropyl-2',2''-dimethyl-. The product's categories are miscellaneous biochemicals; analytical chemistry; indicator (pH); pH indicators. It is white fine crystalline powder which is insol in water, soluble in alcohol, acetone and also soluble in dilute alkalies with a blue color, in H2SO4 with a carmine-red color. In addition, Thymolphthalein should be sealed in a container which must be kept in a cool, well-ventilated area.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 6.23; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 6.23; (4)ACD/LogD (pH 7.4): 6.23; (5)ACD/BCF (pH 5.5): 31874.84; (6)ACD/BCF (pH 7.4): 31777.03; (7)ACD/KOC (pH 7.4): 58051.44; (8)#H bond acceptors: 4; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 6; (11)Index of Refraction: 1.612; (12)Molar Refractivity: 126.12 cm3; (13)Molar Volume: 362.4 cm3; (14)Polarizability: 50×10-24 cm3; (15)Surface Tension: 49.5 dyne/cm; (16)Enthalpy of Vaporization: 88.89 kJ/mol; (17)Vapour Pressure: 1.15E-13 mmHg at 25°C; (18)Rotatable Bond Count: 4; (19)Tautomer Count: 45; (20)Exact Mass: 430.214409; (21)MonoIsotopic Mass: 430.214409; (22)Topological Polar Surface Area: 66.8; (23)Heavy Atom Count: 32.

Preparation of Thymolphthalein: Heating the mixture of thymol, phthalic anhydride and anhydrous zinc chloride. Adding ether and benzene, refluxing in a water bath and pouring out the upper solvent. Adding methanol to the solid, heating, and extracting the reagents. Extracted remaining solids with methanol, dropping water until seeing the precipitation, then cooling to get the product.

Uses of Thymolphthalein: It acts as pH indicator, changing from colorless to blue between the pH 9.3 to 10.5. And it is also used as reagent for blood after decolorizing the alkaline soln by boiling with zinc dust.

When you are using this chemical, please be cautious about it as the following:
It is highly flammable, So it should be kept away from sources of ignition. And it has limited evidence of a carcinogenic effect. Furthermore, people must not breathe dust and avoid contact with skin and eyes. If you want to contact this product, you must wear suitable protective clothing and gloves. 

People can use the following data to convert to the molecule structure.
1. SMILES: O=C1OC(c2ccccc12)(c3cc(c(O)cc3C)C(C)C)c4cc(c(O)cc4C)C(C)C;
2. InChI: InChI=1/C28H30O4/c1-15(2)20-13-23(17(5)11-25(20)29)28(22-10-8-7-9-19(22)27(31)32-28)24-14-21(16(3)4)26(30)12-18(24)6/h7-16,29-30H,1-6H3.