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2033-24-1

Basic Information
CAS No.: 2033-24-1
Name: 2,2-Dimethyl-1,3-dioxane-4,6-dione
Molecular Structure:
Molecular Structure of 2033-24-1 (2,2-Dimethyl-1,3-dioxane-4,6-dione)
Formula: C6H8O4
Molecular Weight: 144.13
Synonyms: 2,2-Dimethyl-1,3-dioxan-4,6-dione;2,2-Dimethyl-4,6-dioxo-1,3-dioxane;2,2-Dimethyl-m-dioxane-4,6-dione;2,2-Propanediol cyclic malonate;Cyclic isopropylidene malonate;Isopropylidenemalonate;Meldrumic acid;
EINECS: 217-992-8
Density: 1.201 g/cm3
Melting Point: 92-96 °C(lit.)
Boiling Point: 356.7 °C at 760 mmHg
Flash Point: 195.1 °C
Solubility: 2.5 g/100 mL (20 °C) in water
Appearance: white to beige crystals
Hazard Symbols: IrritantXi, ToxicT
Risk Codes: 36/37/38-45
Safety: 37/39-24/25-53-45-36-26
Transport Information:
PSA: 52.60000
LogP: 0.21260
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    Appearance:white crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common products:Se

    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

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    Business Type:Lab/Research institutions

    Tel:+86-536-7971999

    Address:Yinhai Road,Shouguang

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  • 2,2-DIMETHYL-1,3-DIOXANE-4,6-DIONE

  • Casno:

    2033-24-1

    2,2-DIMETHYL-1,3-DIOXANE-4,6-DIONE

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

    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

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-85134551

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

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  • Meldrum acid

  • Casno:

    2033-24-1

    Meldrum acid

    Min.Order: 10 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Meldrum acid CAS NO.2033-24-1 Min Order 10 Gram Supply Ability

    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:+86-0431-81915458

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

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  • 2,2-Dimethyl-1,3-dioxane-4,6-dione

  • Casno:

    2033-24-1

    2,2-Dimethyl-1,3-dioxane-4,6-dione

    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

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  • High Quality 2,2-Dimethyl-1,3-dioxane-4,6-dione

  • Casno:

    2033-24-1

    High Quality 2,2-Dimethyl-1,3-dioxane-4,6-dione

    Min.Order: 1 Gram

    FOB Price:  USD $ 1.0-1.0/Gram

    Qingdao Sigma Chemical Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. Our Labo

    SHANDONG SIGMACHEMICAL is mainly engaged in R&D, manufacturing and marketing pharmaceuticals, chemical intermediates, Biochemicals, Veterinary medicines and Nutrition products. Wit

  •  Qingdao Sigma Chemical Co., Ltd.

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    Business Type:Trading Company

    Tel:0532-80916960

    Address:shandong qingdao

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  • 2,2-Dimethyl-1,3-dioxane-4,6-dione

  • Casno:

    2033-24-1

    2,2-Dimethyl-1,3-dioxane-4,6-dione

    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

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  • Meldrum acid

  • Casno:

    2033-24-1

    Meldrum acid

    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

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Consensus Reports

Reported in EPA TSCA Inventory.

Standards and Recommendations

ASSAY: 98.0% min
LOSS ON DRYING: 0.5% max

Specification

Meldrum's acid , its cas register number is 2033-24-1. It also can be called 2,2-Dimethyl-1,3-dioxane-4,6-dione; 2,2-Dimethyl-4,6-dioxo-m-dioxane; 2,2-Dimethyl-m-dioxane-4,6-dione; Isopropylidene malonate; m-Dioxane-4,6-dione, 2,2-dimethyl-; 1,3-Dioxane-4,6-dione, 2,2-dimethyl- ; Malonic acid, cyclic isopropylidene ester (8CI). It is a brown white solid. Meldrum's acid  is an intermediate for different organic syntheses. It is an important intermediate in syntheses of vitamins B1 and B6, barbiturate, non-steroidal anti-inflammatory agent, other numerous pharmaceutical, agrochemical and flavor & fragrance compound. As an alternative to its original preparation, Meldrum's acid can be synthesized from malonic acid, isopropenyl acetate, and catalytic sulfuric acid.

Physical properties about Meldrum's acid are: (1)ACD/LogP: -1.579; (2)ACD/LogD (pH 5.5): -1.58; (3)ACD/LogD (pH 7.4): -1.58; (4)ACD/BCF (pH 5.5): 1.00; (5)ACD/BCF (pH 7.4): 1.00; (6)ACD/KOC (pH 5.5): 3.30; (7)ACD/KOC (pH 7.4): 3.30; (8)#H bond acceptors: 4; (9)Index of Refraction: 1.434; (10)Molar Refractivity: 31.24 cm3; (11)Molar Volume: 119.95 cm3; (12)Polarizability: 12.384 10-24cm3; (13)Surface Tension: 33.2239990234375 dyne/cm; (14)Density: 1.202 g/cm3; (15)Flash Point: 195.118 °C; (16)Enthalpy of Vaporization: 60.204 kJ/mol; (17)Boiling Point: 356.749 °C at 760 mmHg

When you are using Meldrum's acid, please be cautious about it as the following:
1. Wear suitable gloves and eye/face protection;
2. Avoid contact with skin and eyes;
3. Avoid exposure - obtain special instruction before use;
4. In case of accident or if you feel unwell, seek medical advice immediately (show label where possible);
5. Wear suitable protective clothing;
6. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice;

You can still convert the following datas into molecular structure:
(1)InChI=1S/C6H8O4/c1-6(2)9-4(7)3-5(8)10-6/h3H2,1-2H3;
(2)InChIKey=GXHFUVWIGNLZSC-UHFFFAOYSA-N;
(3)SmilesC1(OC(CC(O1)=O)=O)(C)C;

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intravenous 180mg/kg (180mg/kg)   U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#04102,