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Crotonaldehyde 98% For Synthesis
2-Butenal

Product Code.
00895
Grade
Purity
99%
CAS No.
123-73-9
Molecular Formula
C4H6O
Molecular Weight
70.09
H.S.Code
2912.19100
Shelf Life
60 Months

Physical Properties

Physical state at 20 °C
Liquid
Colour
Pale yellow
Odour
Pungent
Melting point/ Freezing point [°C]
- 76.0 °C
Auto-ignition temperature [°C]
160 °C
Flash point [°C]
9 °C
Boiling point [°C]
104 °C
Vapour pressure [20°C]
32 mm Hg 20 °C
Vapour pressure mm/Hg
32 mm Hg 20 °C
Vapour density
2.41
Density [g/cm3]
0.846
Solubility in water [% weight]
Soluble
Explosion limits - upper [%]
19.50%
Explosion limits -lower [%]
2.50%

Packaging

Specification

Appearance
A clear pale yellow liquid
Assay (GC area %)
Min 99%
Density (d20°C/4°C)
0.851 - 0.853

Safety Information and Hazard Symbols

Symbol: GHS02, GHS06, GHS09
Signal Word: Warning
UN No.: 1143
IMCO Class No.: 6.1,3
Packing Group: I
Risk Statement: 11-24/25-26-37/38-41-48/22-50-68
Safety Statement: 26-28-36/37/39-45-61