1,3-Cyclopentanedione, 2-ethynyl-2-methyl- (9CI)

Modify Date: 2025-08-24 17:34:15

1,3-Cyclopentanedione, 2-ethynyl-2-methyl- (9CI) Structure
1,3-Cyclopentanedione, 2-ethynyl-2-methyl- (9CI) structure
Common Name 1,3-Cyclopentanedione, 2-ethynyl-2-methyl- (9CI)
CAS Number 138768-00-0 Molecular Weight 136.148
Density 1.1±0.1 g/cm3 Boiling Point 231.7±40.0 °C at 760 mmHg
Molecular Formula C8H8O2 Melting Point N/A
MSDS N/A Flash Point 84.3±24.3 °C

 Names

Name 2-Ethynyl-2-methyl-1,3-cyclopentanedione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 231.7±40.0 °C at 760 mmHg
Molecular Formula C8H8O2
Molecular Weight 136.148
Flash Point 84.3±24.3 °C
Exact Mass 136.052429
LogP -0.31
Vapour Pressure 0.1±0.5 mmHg at 25°C
Index of Refraction 1.488

 Synonyms

MFCD18805595
1,3-Cyclopentanedione, 2-ethynyl-2-methyl-
2-Ethynyl-2-methyl-1,3-cyclopentanedione
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