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Dimethyl Acetylenedicarboxylate

Dimethyl Acetylenedicarboxylate / CAS : 762-42-5

Appearance colorless liquid UN 3265 8/PG 2
HS - DG Class 8
Synonyms Dimethyl but-2-Ynedioate; 2-Butynedioic acid, Dimethyl Ester; Dimethyl Butynedioate; Dimethyl 2-Butynedioate; Acetylenedicarboxylic acid Dimethyl Ester; 1,4-Dimethyl but-2-Ynedioate; DMAD
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Properties

Summary

Formula
C6H6O4
Molecular Mass
142.10900
Exact Mass
142.02700
PSA
52.60000
Logp
-0.66420
IUPAC
dimethyl but-2-ynedioate
SMILES
COC(=O)C#CC(=O)OC

Attribute classification

Matter Classification
organic
Category
Organic Chemical Materials > Esters

Chemical and Physical Properties

Melting Point
-18 °C
Density
1.156 g/mL at 25 °C(lit.)
Boiling Point
95-98 °C19 mm Hg(lit.)
Flash Point
187 °F
Appearance
colorless liquid
Acidity and Basicity
neutral

Export information

UN No.
3265 8/PG 2
DG-Class
8
Risk Code
34-22
Safety Label
C

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