pharmaceutical secondary standard; traceability to USP
Synonym(s): cis-Butenedioic acid; Toxilic acid
Empirical Formula: C4H4O4
Formula Weight: 116.07
Linear Formula: HO2CCH=CHCO2H
MDL Number: MFCD00063177
Melting Point: 137-140 °C(lit.)
Density: 1.59 g/mL at 25 °C(lit.)
Beilstein Registry Number: 605762
RIDADR: UN 3077 9 / PGIII
Signal Word: Warning
Hazard statements: H302 + H312-H315-H317-H319-H335
Precautionary statements: P261-P280-P305 + P351 + P338
Hazard Codes (Europe) : Xn
Risk Statements (Europe): 22-36/37/38-43
Safety Statements (Europe): 24-26-28-37-46
WGK Germany: 1