1-Bromo-3-buten-2-one

Modify Date: 2025-08-25 11:25:22

1-Bromo-3-buten-2-one Structure
1-Bromo-3-buten-2-one structure
 Common Name 1-Bromo-3-buten-2-one
CAS Number 155622-69-8 Molecular Weight 148.986
Density 1.5±0.1 g/cm3 Boiling Point 154.5±23.0 °C at 760 mmHg
Molecular Formula C4H5BrO Melting Point N/A
MSDS N/A Flash Point 78.5±9.9 °C

 Names

Name 1-bromobut-3-en-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 154.5±23.0 °C at 760 mmHg
Molecular Formula C4H5BrO
Molecular Weight 148.986
Flash Point 78.5±9.9 °C
Exact Mass 147.952377
PSA 17.07000
LogP 0.74
Vapour Pressure 3.2±0.3 mmHg at 25°C
Index of Refraction 1.474

 Synthetic Route

2-bromomethyl-2-vinyl-1,3-dioxolane structure

2-bromomethyl-2...

CAS#:250338-50-2

~91%

1-Bromo-3-buten-2-one Structure

1-Bromo-3-buten...

CAS#:155622-69-8

Literature: Descomps, Alexandre; Carlson, Rolf Synthetic Communications, 2014 , vol. 44, # 6 p. 757 - 761

 Synonyms

3-Buten-2-one, 1-bromo-
bromomethyl vinyl ketone
1-Bromobut-3-En-2-One
3-Buten-2-one,1-bromo
1-bromo-3-butene-2-one
1-bromanylbut-3-en-2-one
1-Bromo-3-buten-2-one
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