142-45-0 acetylenedicarboxylic acid

Product Name	Acetylenedicarboxylic acid
CAS No.	142-45-0
Synonyms	Butynedioic acid; Acetaylenedicarboxylic Acid; but-2-ynedioic acid; potassium 3-carboxyprop-2-ynoate; but-2-ynedioate
InChI	InChI=1/C4H2O4/c5-3(6)1-2-4(7)8/h(H,5,6)(H,7,8)/p-2
Molecular Formula	C4O4
Molecular Weight	112.0415
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	S26:; S37/39:; S45:;