762-42-5 Dimethyl acetylenedicarboxylate

Name: Dimethyl acetylenedicarboxylate
Synonyms: Dimethyl acetylenedicarboxylic acid;1,2-Bis(methoxycarbonyl)acetylene;Dimethyl ethynedicarboxylate;Di(carbomethoxy)acetylene;Dimethyl butynedioate;2-Butynedioic acid, dimethyl ester;Bis(methoxycarbonyl)acetylene;dimethyl but-2-ynedioate;Dimethyl but-2-yndioate;But-2-ynedioic acid dimethyl ester;Dimethyl 2-butynedioate;1, 2-Bis(methoxycarbonyl)acetylene;Methyl acetylenedicarboxylate;Acetylenedicarboxylic acid, dimethyl ester;1,2-Bis(methoxycarbonyl)ethyne;Acetylenedicarboxylic acid dimethyl ester;Acetylenedicarboxylic acid, dimethyl ester (8CI);
CAS Number:762-42-5
Molecular Formula:C₆H₆O₄
Molecular Weight:142.12
EINECS:212-098-4
Density:1.205 g/cm³
Boiling Point:204.3 ºC at 760 mmHg
Flash Point:86.1 ºC
Safety Description:Poison by ingestion. A dienophile. Explosive reaction with 1-methylsilacyclopenta-2,4-diene at 150°C. Octakis(trifluorophosphine)dirhodium catalyzes explosive polymerization of the acid above 20°C. When heated to decomposition it emits acrid smoke and irritating fumes. See also ESTERS.
liansport Information:UN 3265