Welcome to LookChem.com Sign In|Join Free
  • or
Home > Pharmaceutical > 1324 > 

1324-21-6

Basic Information
CAS No.: 1324-21-6
Name: Mordant Black 13
Molecular Structure:
Molecular Structure of 1324-21-6 (Mordant Black 13)
Formula: Unspecified
Molecular Weight: 610.52
Synonyms: C.I.Mordant Black 13, disodium salt (8CI);9,10-Anthracenedione,hydroxybis(phenylamino)-, sulfonated, sodium salt;Ahcoquinone Blue Black B;Alizachrome Blue Black B;Alizarine Blue Black 3B;Alizarine Blue Black B;Alizarine Blue Black BA;Alizarine Blue Black BA Ex;Alizarine Blue Black BG;Alizarine Blue Black BX;Alizarine Blue Black MB;Alizarine Chrome Grey B;Alizarine Chrome Grey BS;Chrome Blue Black B;DiamondChrome Blue Black B;Diamond Chrome Blue Black PB;Eriochromal Grey AB;Eriochrome Grey ABE;Fenakrom Fast Blue Black B;Mitsui Alizarine Black PB;Monochrome Blue Black B;Mordant Black 13;Orthochrome Grey B;Palizarine Blue Black BR;Solway Blue Black BA;Synchromate Blue Black B;
EINECS: 215-366-9
Appearance: Red brown powder
Hazard Symbols: O,C
Risk Codes: R8; R31; R34; R20/21/22
PSA: 209.59000
LogP: 5.77060
  • Display:default sort

    New supplier

  • Mordant black 13

  • Casno:

    1324-21-6

    Mordant black 13

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 3.0-3.0

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

    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

  • Food GradeCAS 1324-21-6  with competitive price

  • Casno:

    1324-21-6

    Food GradeCAS 1324-21-6 with competitive price

    Min.Order: 10 Gram

    FOB Price:  USD $ 146.0-176.0

    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

  • Mordant Black 13

  • Casno:

    1324-21-6

    Mordant Black 13

    Min.Order: 0 Metric Ton

    FOB Price:  USD $ 0.0-0.0

    Our Services 1. We are a professional exporter for Optical Brighteners, dyes, pigments 2. Stable and continue quality 3. Quickly delivery 4. Good service Our advantages 1. Government awarded company. Top 100 enterprises in Hangzhou 2. Qua

    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

  • Mordant Black13

  • Casno:

    1324-21-6

    Mordant Black13

    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

  • Mordant Black13

  • Casno:

    1324-21-6

    Mordant Black13

    Min.Order: 10 Gram

    FOB Price:  USD $ 0.0-0.0

    Zibo Hangyu Biotechnology Development Co., Ltd 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 chemi

    Hangyu Biotech is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and O

  •  Zibo Hangyu Biotechnology Development Co., Ltd

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-15965530500

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

       Inquiry Now

  • Mordant Black 13

  • Casno:

    1324-21-6

    Mordant Black 13

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 30.0-30.0

    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

  • Mordant Black 13CAS NO.: 1324-21-6

  • Casno:

    1324-21-6

    Mordant Black 13CAS NO.: 1324-21-6

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 3.0-3.0

    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

  • Mordant Black 13

  • Casno:

    1324-21-6

    Mordant Black 13

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 2.0-2.0

    Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

    Welcome to Taizhou Zhenyu Biotech Co.,LTD , Sister Company of Ningbo Zhenlei Chemical co.,ltd ,is a rapid growing company , We are one of TOP supplier and manufactuer of Human APIs

  •  TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:13958565781

    Address:Room 623 Yulan Square Bussiness Building . Jiaojiang Taizhou Zhejiang 318000 China

       Inquiry Now

  • Mordant Black 13

  • Casno:

    1324-21-6

    Mordant Black 13

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

    Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns

  •  Hunan chemfish Pharmaceutical co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:0731-85567275

    Address:No.10048, xiangjiang centry bulding ,kaifu district ,changsha city ,Hunan

       Inquiry Now

  • Mordant Black 13

  • Casno:

    1324-21-6

    Mordant Black 13

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

    Located in Zhengdong New District,?Zhengzhou of Henan province, Henan Allgreen Chemical Co.,Ltd is a comprehensive high-tech modern enterprises integrating professional R&D, pro

  •  Henan Allgreen Chemical Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-0371-87507775

    Address:No 260 Dongming Road,Jinshui District

       Inquiry Now

  • alizarinblueblackB

  • Casno:

    1324-21-6

    alizarinblueblackB

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai

    Founded in 2005, Sartort, located in Hangzhou, is a leading company engaging in chemistry, pharmaceutical and advanced materials. At present, Sartort has such controlled subsidi

  •  Hangzhou Sartort Biopharma Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-571-87039693

    Address:No. 57, Tech Park Road, Hangzhou, Zhejiang, China

       Inquiry Now

  • Mordant Black 13 1324-21-6

  • Casno:

    1324-21-6

    Mordant Black 13 1324-21-6

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

    Russell Chemicals Technology Co.,Ltd is a new-tech research and development enterprise dedicated to providing high-value-added auxiliaries,such as photoinitiators monomers and olig

  •  Hunan Russell Chemicals Technology Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:0086-731-85415356

    Address:Buiding4,Lugu Enterprise Plaza, Yuelu Distric

       Inquiry Now

  • Mordant Black13

  • Casno:

    1324-21-6

    Mordant Black13

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    factory?direct?sale Application:healing drugs

    Antimex Chemical Limied, was founded in 2001, we are specializing in manufacturing & researching of Active pharmaceutical Ingredients,Veterinary pharm APIs,cosmetic ingredients,and

  •  Antimex Chemical Limied

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:0086-21-50563169

    Address:Room1027,No.Jinyu Road,Pudong

       Inquiry Now

  • alizarin blue black B

  • Casno:

    1324-21-6

    alizarin blue black B

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white to light yellow crystal powder Storage:Room temperature with sealed well Package:according to the clients requirement Appl

    BOC Sciences is a brand of BOCSCI Inc. We leverage our wide spectrum of business in the fields of development, manufacturing, marketing, and distribution to help you make best-info

  •  BOC Sciences

    United States  |  Contact Details

    Business Type:Trading Company

    Tel:1-631-485-4226

    Address:Ramsey Road

       Inquiry Now

  • Mordant Black 13

  • Casno:

    1324-21-6

    Mordant Black 13

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0

    Mordant Black 13 Basic information Product Name: Mordant Black 13 Synonyms: ALIZARIN BLUE BLACK B;CI NO 63615;CI 63615;Disodium 4-[[4-hydroxy-9,10-dioxo-3-[(4-sulfonatophenyl)amino]anthracen-1-yl]amino]be

    Henan Sunlake Enterprise Corporation is located in Henan Province , the central plain of China , which enjoys favorable geogeaphical position and convenient transportion. The compa

  • HENAN SUNLAKE ENTERPRISE CORPORATION

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-371- 86259723

    Address:Mingmen International Center, NO.222 Dongming Road,Zhengzhou,Henan,China

       Inquiry Now

  • 1324-21-6 Mordant black 13 Top quality of Mordant black 13

  • Casno:

    1324-21-6

    1324-21-6 Mordant black 13 Top quality of Mordant black 13

    Min.Order: 0 Metric Ton

    FOB Price:  USD $ 0.0-0.0

    We are the biggest manufactory of 4,6-dimethyl-2-methylsulfonylpyrimidine. material is made under GMP condition. We can provide complete Tech Pack (like MOA, ROS, Mfg. process, process flow chart, List of RMs, Residual Solvent List, Impurity pro

    Changzhou chenqiang chemical.,ltd is a famous enterprise of foreign trade department of Changzhou,and was awarded the independence right of import and export from the department of

  • Changzhou Chenqiang Chemical Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-519-88902455

    Address:Shanghuang Town, Liyang City

       Inquiry Now

  • Mordant Black13

  • Casno:

    1324-21-6

    Mordant Black13

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    very important Pharmaceutical raw materialsAppearance:white powder Storage:Ventilating and drying Package:25kg/drum Application:important raw material Transportation:by air/by sea

    Shaanxi Top Pharm Chemical Co., Ltd. has been primarily engaged in the research, development, and marketing of various pharmaceutical&chemical products since 1999. We take full ad

  • SHAANXI TOP PHARM CHEMICAL CO.LTD

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-029-85733403

    Address:No.108 ,west sector,south er huan,xi'an,china

       Inquiry Now

  • Mordant Black 13, acid

  • Casno:

    1324-21-6

    Mordant Black 13, acid

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    Cerametek Materials (CMT) is your industrial and R&D supplier: 1. Semiconductor materials: Compounds of II, III, IV, V, VI groups such as Metal Sulfides, Selenides, Tellurides, Arsenide, Antimonide, Phosphide... 2. Advanced ceramic and crys

    Cerametek Materials (CMT) is your industrial and R&D supplier: 1. Semiconductor materials: Compounds of II, III, IV, V, VI groups such as Metal Sulfides, Selenides, Tellu

  • Cerametek Materials(ShenZhen)Co., Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86-755-2324.2554

    Address:A3-#9, YongChuan Street, Suite 501

       Inquiry Now

  • Mordant Black 13

  • Casno:

    1324-21-6

    Mordant Black 13

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    Shanghai, Run-Biotech Co., Ltd is a leading domestic pharmaceutical, biopharmaceutical, and health care products R & D outsourcing services company. As an innovation-driven and customer-focused company, Run Biotech provides a broad and integrated por

    Shanghai fine pharma co., Ltd. is a professional enterprise with chemical reagents and fine chemical products development, development and trade. The company has a sound research a

  • Shanghai Run-Biotech Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-21-31576854/57171705 / 57171706

    Address:second floor, building 3, No.999, jiangyue Road, minghang District, Shanghai, China

       Inquiry Now

  • Mordant Black 13

  • Casno:

    1324-21-6

    Mordant Black 13

    Min.Order: 1 Gram

    FOB Price:  USD $ 500.0-500.0

    Mordant Black 13 Application:825335

    PureChems is dedicated to bring high quality and cost effective chemical products and services to our clients. PureChems can provide high purity Natural Products, Research Chemical

  • Pure Chemistry Scientific Inc.

    United States  |  Contact Details

    Business Type:Trading Company

    Tel:+1-857-366-7588

    Address:14905 SW freeway street #232, Sugarland, TX 77478, USA

       Inquiry Now

  • Mordant Black 13

  • Casno:

    1324-21-6

    Mordant Black 13

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    Do best quality products, erect the morality model Application:please email us, thanks

    Wuxi Morality Chemical Co., Ltd is specialized in the development and manufacture of industrial additives, bulk chemical intermediates, pharmaceutical raw materials and pesticide

  • Wuxi Morality Chemical Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86-510-83597286 17768505220

    Address:B/7F, 321th WuYun Rd, Wanda Plaza, Wuxi City, 214174, China

       Inquiry Now

  • C.I.Mordant Black 13 (63615)

  • Casno:

    1324-21-6

    C.I.Mordant Black 13 (63615)

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    High main content, prompt shipment Application:Used in organic synthesis; Catalytic agent; Petrochemical additive;

    Skyrun Industrial Co.Limited (CSR Ind), established in 2003, a state-controlled company(By Skyrun Corp. & High Hope) in China, specializing in developing, producing and handing ra

  • Skyrun Industrial Co.,Ltd

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:0086-576-84610586

    Address:Chemical Development Zone

       Inquiry Now

  • Mordant Black13

  • Casno:

    1324-21-6

    Mordant Black13

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    Acid Mordant Black 13

    Winchem Industrial Co. Ltd is a leading manufacturer and exporter of Dyestuffs and Pigments for textiles, paper, plastics, inks, coating and other

  • Winchem Industrial Co. Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-574-83851061 86-574-87083208

    Address:Room 905, No.3 Building,East Business Center, 456 Xingning Road, Ningbo City,China

       Inquiry Now

  • 9,10-anthracenedione, hydroxybis(phenylamino)-, sulfonated, sodium salt

  • Casno:

    1324-21-6

    9,10-anthracenedione, hydroxybis(phenylamino)-, sulfonated, sodium salt

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    CFTC?PharmaChem?is?a?service?based?company?in?China,?a?pharmachem?division?of?Changzhou?Foreign?Trade?Corp.,supplying?raw?materials,?intermediates,?APIs?and?fine?chemicals?for?the?pharmaceutical?and?specialty?chemical?industries?worldwide. Applicatio

    CFTC PharmaChem is a service based company in China, a pharmachem division of Changzhou Foreign Trade Corp.,supplying raw materials, intermediates, APIs and fine chemicals for the

  • Changzhou Foreign Trade Corp

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-519-86623222

    Address:29F/D, 99 Yanling West Road, Changzhou, Jiangsu, China

       Inquiry Now

  • Alizarin Blue Black B

  • Casno:

    1324-21-6

    Alizarin Blue Black B

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    high purity Application:Drug intermediates Materials intermediates and active molecules

    Novachemistry offers a broad range of specialty chemicals and customized synthesis services to a range of pharmaceutical, agrochemical and biochemical industries. Novachemistry has

  • NovaChemistry

    United Kingdom  |  Contact Details

    Business Type:Trading Company

    Tel:+44 (0)208 191 7890

    Address:Unit11, Ark Business Centre, Gorden Road, Loughborough, United Kingdom

       Inquiry Now

  • Mordant Black13

  • Casno:

    1324-21-6

    Mordant Black13

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    ALIZARIN BLUE BLACK B

    Chem Service, Inc., established in 1962, is the largest independent supplier of analytical reference materials and the original source of small quantities of organic chemicals. Fo

  • ChemService Inc.

    United States  |  Contact Details

    Business Type:Trading Company

    Tel:1-610-692-3026 1-800-452-9994

    Address:PO Box 599 West Chester, PA 19381-0599 USA

       Inquiry Now

  • Mordant Black13

  • Casno:

    1324-21-6

    Mordant Black13

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    ALIZARIN BLUE BLACK B

    At City Chemical, our credo is ResponseAbility™, our unique ability to respond to your chemical needs faster and more reliably than anyone el

  • City Chemical LLC

    United States  |  Contact Details

    Business Type:Trading Company

    Tel:1-800-248-2436 / 1-203-932-2489

    Address:139 ALLINGS CROSSING ROAD, WEST HAVEN CT 06516 (USA)

       Inquiry Now

  • Mordant Black13

  • Casno:

    1324-21-6

    Mordant Black13

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    more information,pls contact with us!

    Primary SIC: Chemicals & Chemical Preps, Not Elsewhere Classified, Primary NAICS: All Other Miscellaneous Chemical Product Manufacturing Description: Manufacturing: Chemicals & Ch

  • PYLAM

    United States  |  Contact Details

    Business Type:

    Tel:480-929-0070

    Address:United States

       Inquiry Now

  • Mordant Black13

  • Casno:

    1324-21-6

    Mordant Black13

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    more information,please contact us

    CHEMOS GmbH world-wide trade of organic, inorganic chemicals, biochemicals and raw materials for Industry and Laboratory use. Quantities from small

  • CHEMOS GmbH

    Germany  |  Contact Details

    Business Type:Trading Company

    Tel:+49 9402 9336 0

    Address:Werner-von-Siemens Str. 3 D-93128 Regenstauf / Germany

       Inquiry Now

  • Total:29 Page 1 of 1 1
Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1

What can I do for you?
Get Best Price

Get Best Price for 1324-21-6

Specification

This chemical is called Mordant Black13, and its CAS registry number is 1324-21-6. With the molecular formula of C26H16N2Na2O9S2, its appearance is dark gray powder. In addition, this chemical should be sealed in the cool and dry plcace. It's soluble in water and fiber protein (ethylene glycol ether), but not soluble in benzene, toluene, chloroform and carbon tetrachloride.

Production method of this chemical: The Mordant Black13 could be obtained by the materials of 1,4 - dihydroxy anthraquinone, aniline, boric acid, manganese dioxide and H2SO4. Then it's sulfonated by the sodium bisulfite. At last, it needs the process of salting out, filtration, drying and gets the product.

Uses of this chemical: This chemical is used for tops, wool and other wool fabric dyeing, especially suitable for dyeing carpet. It's also used for dyeing silk, nylon, fur.