[Alias]2-Methylpropionic acid, dimethylacetic acid.
[Molecular formula]C4H8O2
[Structural formula](CH3)2CHCOOH
[Properties]Isobutyric acid is a colorless oily liquid with a pungent odor similar to butyric acid. Relative density 0.949 (20℃), melting point 47℃, boiling point 152-155℃, flash point (closed cup) 76.67℃, refractive index 1.3930 (20℃). <Easily soluble in water, miscible with ethanol, ether, chloroform, etc. Free isobutyric acid is present in the roots of rice, beans and arnica flowers.
[Use]Isobutyric acid is used in methyl isobutyrate, ethyl isobutyrate, butyl isobutyrate, isopropyl isobutyrate, isobutyric acid Synthesis of ester products such as isobutyl ester. It is also used in the manufacture of coatings, plasticizers, spices, food preservatives, insecticides, disinfectants, etc., and is also used as a solvent for spices.
[Brief preparation method]Isobutyric acid is made from isobutyraldehyde or isobutanol in the air Or it can be obtained by oxidation reaction with oxygen.
[Safety and Protection]Isobutyric acid is flammable and may cause combustion and explosion when exposed to open flames, high heat or contact with oxidants. Corrosive. Packed in aluminum drums, net weight per drum is 100kg or 200kg. Store and transport according to regulations for corrosive items.
This product has low toxicity and is highly irritating to mucous membranes, upper respiratory tract, eyes and skin. After inhalation, death may occur due to spasm, inflammation, edema of the larynx and bronchus, chemical pneumonitis or pulmonary edema. Contact may cause burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea, and vomiting. Wash skin with clean water if exposed.
