2-Butenedioic acid,2-methyl-, (2E)- cas no:498-24-8

Name2-Butenedioic acid,2-methyl-, (2E)-
CAS498-24-8
Synonyms2-Butenedioicacid, 2-methyl-, (E)-; Mesaconic acid (6CI,8CI); (2E)-2-Methyl-2-butenedioicacid; (E)-Citraconic acid; 2-Methylfumaric acid; Citronic acid; Methylfumaricacid; NSC 65438; trans-1-Propene-1,2-dicarboxylic acid;trans-2-Methyl-2-butenedioic acid
EINECS(EC#)207-859-2
Molecular FormulaC5H6 O4
Molecular Weight130.1

refractive index1.514

Hazard Xi:Irritant;
Risk R36/37/38
Safety

Moderately toxic by intraperitoneal route. When heated to decomposition it emits acrid smoke and fumes.
Safety Information of Mesaconic acid (CAS NO.498-24-8):
Hazard Codes: Xi
Risk Statements: 36/37/38 
36:  Irritating to the eyes 
37:  Irritating to the respiratory system 
38:  Irritating to the skin 
Safety Statements: 26-36
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36:  Wear suitable protective clothing

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LDLo	intraperitoneal	500mg/kg (500mg/kg)		"Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. Vol. 6, Pg. 147, 1954.