What is isobutyric acid? What role does isobutyric acid play in lipids?

[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. The relative density is 0.949 (20°C), the melting point is 47°C, the boiling point is 152-155°C, the flash point (closed cup) is 76.67°C, and the refractive index is 1.3930 (20°C). ＜Soluble in water, miscible with ethanol, ether, chloroform, etc. There is isobutyric acid in a free state in the roots of rice, beans and arnica.

［Application］ Isobutyric acid is used for methyl isobutyrate, ethyl isobutyrate, butyl isobutyrate, isobutyrate Synthesis of ester products such as isopropyl butyrate and isobutyl isobutyrate. 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 prepared by oxidation reaction of isobutyraldehyde or isobutanol in air or with oxygen .

[Safety and Protection] Isobutyric acid is flammable and may cause combustion and explosion when exposed to open flame, high heat or contact with oxidants. Corrosive. Packed in aluminum drums, each drum has a net weight of 100kg or 200kg. Store and transport according to the provisions of corrosive articles.

This product has low toxicity and is highly irritating to mucous membranes, upper respiratory tract, eyes and skin. After inhalation, it can cause death due to spasm, inflammation, edema, chemical pneumonia or pulmonary edema of the larynx and bronchi. Burning sensation, cough, wheezing, laryngitis, shortness of breath, headache, nausea, and vomiting are caused after contact. Wash the skin with water when it touches it.