762-21-0 Diethyl acetylenedicarboxylate

product Name Diethyl acetylenedicarboxylate Synonyms :2-Butynedioic acid diethyl ester; Diethyl butynedioate:; diethyl but-2-ynedioate Molecular Formula C8H10O4 Molecular Weight 170.1626 InChI InChI=1/C8H10O4/c1-3-11-7(9)5-6-8(10)12-4-2/h3-4H2,1-2H3 CAS Registry Number 762-21-0 EINECS 212-095-8 Molecular Structure Density 1.127g/cm3 Melting point 1-3℃ Boiling point 233.9°C at 760 mmHg Refractive index 1.451 Flash point 94.4°C Vapour Pressur 0.0546mmHg at 25°C Hazard Symbols  C:Corrosive; Risk Codes R34:; Safety Description S25:; S36/37/39:; S45:;