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IUPAC name 2-methylpropanal
Other names Isobutyraldehyde
CAS number 78-84-2
RTECS number NQ4025000
Molecular formula C4H8O
Molar mass 72.11 g/mol
Appearance colourless liquid
Density 0.79 g/cm3
Melting point

-65 °C

Boiling point

63 °C

Solubility in water moderate
Solubility in other solvents miscible in organic solvents
Refractive index (nD) 1.374
Main hazards flammable
R-phrases 11
S-phrases 16
Flash point -2 °F
Related Compounds
Related compounds Butyraldehyde
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Isobutyraldehyde is the chemical compound with the formula (CH3)2CHCHO. It is an aldehyde, isomeric with n-butyraldehyde (butanal). Isobutyraldehyde is manufactured, often as a side-product, by the hydroformylation of propene. It's odour is described as that of wet cereal or straw.


    This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Isobutyraldehyde". A list of authors is available in Wikipedia.
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