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4-Methyl-3-Penten-2-One

4-Methyl-3-Penten-2-One / CAS : 141-79-7

Appearance Colorless viscous liquid with peculiar smell, which will darken after standing UN 1229
HS 29141900 DG Class 3
Synonyms Mesityl Oxide; 4-Methylpent-3-En-2-One; 3-Penten-2-One, 4-Methyl-
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Properties

Summary

Formula
C6H10O
Molecular Mass
98.14300
Exact Mass
98.07320
PSA
17.07000
Logp
1.54160
IUPAC
4-methylpent-3-en-2-one
SMILES
CC(=CC(=O)C)C

Attribute classification

Matter Classification
organic
Category
Flavors and Fragrances > Spice
Solvent > Organic Solvent
API & Intermediate > Other Chemical Drugs
Agrochemicals > Pesticide Intermediates

Chemical and Physical Properties

Melting Point
−53 °C
Density
0.858 g/mL 
Boiling Point
129 °C
Flash Point
87 °F
Appearance
Colorless viscous liquid with peculiar smell, which will darken after standing
Acidity and Basicity
neutral

Export information

HS Code
29141900
Export Rebate
13%
UN No.
1229
DG-Class
3
Risk Code
R10-20/21/22-36/37/38
Safety Label
Xn

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