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Crotonaldehyde

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Crotonaldehyde / CAS : 123-73-9

Appearance Colorless transparent flammable liquid. UN UN 1143
HS 29121900 DG Class 6.1
Synonyms 2-Butenal; T-2-Butenal; 2-Butenal, (E)-; Butenal; (E)-2-Butenal
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Overview

Uses

Properties

Summary

Formula
C4H6O
Molecular Mass
70.08980
Exact Mass
70.04190
PSA
17.07000
Logp
0.76140
IUPAC
(E)-but-2-enal
SMILES
C/C=C/C=O

Attribute classification

Matter Classification
organic
Category
Auxiliary > Other Auxiliary Agent

Chemical and Physical Properties

Melting Point
−76 °C
Density
0.853 g/mL 
Boiling Point
104 °C
Flash Point
48 °F
Appearance
Colorless transparent flammable liquid.

Export information

HS Code
29121900
Export Rebate
13%
UN No.
UN 1143
DG-Class
6.1
Risk Code
R11-24/25-26-37/38-41-48/22-50-68-R68-R50-R48/22-R41-R37/38-R26-R24/25-R11
Safety Label
F,T+,N

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