CAS No 498-23-7 , Citraconic acid Search by region : Germany

Name: Citraconic acid
Synonyms: (Z)-2-Methyl-2-butenedioic acid; cis-Methylbutenedioic acid;2-Methyl-2-butenedioic acid; Citraconicacid; 97%;Citraconic acid; Methylmaleic acid;
CAS Registry Number:498-23-7
Transport: 2811
Melting Point: 88-92 ºC
Flash Point: 172
Boiling Point: 336
Density: 1.62
Safety Statements: R22;R36/37/38
Hazard Symbols: Xn: Harmful;
Flash Point: 172
EINECS: 207-858-7
Molecular Weight: 130.10
InChI: InChI=1/C5H6O4/c1-3(5(8)9)2-4(6)7/h2H,1H3,(H,6,7)(H,8,9)/b3-2-
Risk Statements: S26;S37/39
Molecular Formula: C5H6O4
Molecular Structure:

Related products

Select to

498-23-7 Citraconic acid; 97%

Citraconic acid; 97%
ABCR GmbH & Co KG [Manufacturer]
Tel: +49 721 95061-0
Fax: +49 721 95061-80
Address: Im Schlehert 10
76187 Karlsruhe
Germany null,nullGermany

498-23-7 Citraconic acid

Citraconic acid
CHEMOS GmbH [Manufacturer]
Tel: 0049 9402/9336 0
Fax: 0049 9402/9336 13
Address: CHEMOS GmbH
Werner-von-Siemensstr. 3
93128 Regenstauf
Germany null,nullGermany

Select to

1/1

References of Citraconic acid

Title: Citraconic Acid
CAS Registry Number: 498-23-7
CAS Name: (Z)-2-Methyl-2-butenedioic acid
Synonyms: methylmaleic acid
Molecular Formula: C5H6O4
Molecular Weight: 130.10
Percent Composition: C 46.16%, H 4.65%, O 49.19%
Literature References: Obtained by carefully heating citric acid at about 175°. Production of citraconic anhydride from itaconic acid: Humphrey, US 2966498 (1960 to Pfizer). Toxicity study: P. M. Jenner et al., Food Cosmet. Toxicol. 2, 327 (1964).
Properties: Hygroscopic monoclinic crystals; characteristic odor. d 1.62. mp ~90° (dec). Freely sol in water, alc, ether, slightly in chloroform. Practically insol in benzene, petr ether. LD50 in rats, mice (mg/kg): 1320, 2260 orally (Jenner).
Melting point: mp ~90° (dec)
Density: d 1.62
Toxicity data: LD50 in rats, mice (mg/kg): 1320, 2260 orally (Jenner)