Isobutyric acid

Main Application Areas

As an important organic intermediate, isobutyric acid is primarily used in the fields of chemical synthesis and fine chemicals:

Organic Synthesis Intermediates:

Synthesis of Esters: Isobutyric esters (such as methyl isobutyrate, ethyl isobutyrate, benzyl isobutyrate) produced by reaction with alcohols are important fragrances with fruit aromas like apple, strawberry, and pineapple. They are widely used in food additives (such as beverages, candies, pastries) and cosmetic fragrances.

Synthesis of Pharmaceuticals: Used as an intermediate in the preparation of certain antibiotics and sedatives (e.g., isobutyrate drugs can improve the drug's lipid solubility and enhance efficacy).

Solvents and Auxiliaries:

As a polar solvent, it is used to dissolve resins (such as acrylic resins) in coatings and inks.

In the plastics industry, it can serve as a raw material for the synthesis of plasticizers (such as isobutyrate plasticizers).

Others:

Used to prepare isobutyryl chloride (an acylating reagent) for acylation reactions in organic synthesis;

In feed additives, small amounts of isobutyric acid can regulate microbial metabolism in the rumen of ruminants.

CAS NO: 79-31-2

EC NO: 201-195-7

Molecular Formula: C₄H₈O₂

Molecular Weight: 88.10632

Aliases: 2-Methylpropanoic acid; Isopropylformic acid; Dimethylacetic acid;

Structure Formula: