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  Acid type
Acid anhydride type
Ester type
Ketone type
Environmental plasticizer series
Alcohol ether
EVA
Eastman Amine
Isobutyric acid
Product name Isobutyric acid
Alias 2-Methylpropionic acid
CAS No. 79-31-2
Molecular Formula C8H16O4
Molecular Weight 176.2102
Physical and Chemical Properties Appearance: Colorless oily liquid, with a strong irritating odor.
   Melting point: -47℃
   Boiling point: 154.5℃
   Relative density: 0.949
   Refractive index: 1.3930
   Flash point: 76.67
Uses Mainly used for the synthesis of isobutyric acid esters such as Isobutyric acid methyl ester,
   propyl ester, iso-amyl ester, benzyl ester; can be used as food flavor, or used in producing
   pharmaceuticals.
   
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