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Β-Propiolactone

β-Propiolactone / CAS : 57-57-8

Appearance Colorless liquid with a sweet but irritating odor. Liquid UN 2810
HS 29322090 DG Class 6.1
Synonyms beta-Propiolactone; 2-Oxetanone; Oxetan-2-one; Propiolactone
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Properties

Summary

Formula
C3H4O2
Molecular Mass
72.06270
Exact Mass
72.02110
PSA
26.30000
Logp
-0.06670
IUPAC
oxetan-2-one
SMILES
C1COC1=O

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Pharmaceutical Intermediates
Organic Chemical Materials > Esters

Chemical and Physical Properties

Melting Point
−33 °C
Density
1.146 g/mL at 25 °C
Boiling Point
162 °C
Flash Point
158 °F
Appearance
Colorless liquid with a sweet but irritating odor. Liquid
Acidity and Basicity
neutral

Export information

HS Code
29322090
Export Rebate
13%
UN No.
2810
DG-Class
6.1
Risk Code
45-26-36/38
Safety Label
T+

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