Basic

CAS No.	142-45-0
Product Name	Acetylenedicarboxylic acid
Synonyms	Butynedioic acid; Acetaylenedicarboxylic Acid; but-2-ynedioic acid; potassium 3-carboxyprop-2-ynoate; but-2-ynedioate
Molecular Formula	C4O4
Molecular Weight	112.0415

Physical property

Melting point	180-187℃
Boiling point	362.4°C at 760 mmHg
Flash point	187.2°C
Water solubility	soluble

Hazard Symbols	T:Toxic; Xi:Irritant;
Risk Codes	R25:; R36/37/38:;
Safety Description	S26:; S37/39:; S45:;