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Isoprene

Isoprene / CAS : 78-79-5

Appearance Colorless or slightly colored transparent flammable and explosive liquid UN UN 1218
HS 29012420 DG Class 3
Synonyms 2-Methyl-Buta-1,3-Diene; 2-Methyl-1,3-Butadiene; 3-Methyl-1,2-Butadiene; Isoprene Monomer
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Properties

Summary

Formula
C5H8
Molecular Mass
68.11700
Exact Mass
68.06260
PSA
0.00000
Logp
1.74850
IUPAC
2-methylbuta-1,3-diene
SMILES
CC(=C)C=C

Attribute classification

Matter Classification
organic
Category
Flavors and Fragrances > Flavor And Flavor Intermediates
Solvent > Other Solvents
Auxiliary > Other Auxiliary Agent
Agrochemicals > Pesticide Intermediates

Chemical and Physical Properties

Melting Point
-147.7℃
Density
0.681 g/mL
Boiling Point
34 °C
Flash Point
-53.89℃
Appearance
Colorless or slightly colored transparent flammable and explosive liquid
Acidity and Basicity
neutral

Export information

HS Code
29012420
Export Rebate
13%
UN No.
UN 1218
DG-Class
3
Risk Code
R45-12-52/53-68-51/53
Safety Label
F+,T,N

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