What is isobutyraldehyde and what are its uses?

Colorless irritating liquid, combustible, volatile, slightly soluble in water, soluble in benzene, chloroform, ethanol and ether. Freezing point 65.9 ° C, boiling point 64.523. refractive index (20 ° C) 1.3730. can be hydrogenated to isobutanol, 20 ° C vapor pressure of 138 mm Hg, flash point -10.6 ° C.

2024-09-08

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Chemical name: dimethyl acetaldehyde, 2-methylpropanal, isobutyraldehyde.

Molecular formula: C4H8O

Molecular weight: 72.1l

Physical and chemical properties:

Colorless irritating liquid, combustible, volatile, slightly soluble in water, soluble in benzene, chloroform, ethanol and ether. Freezing point 65.9 ° C, boiling point 64.523. refractive index (20 ° C) 1.3730. can be hydrogenated to isobutanol, 20 ° C vapor pressure of 138 mm Hg, flash point -10.6 ° C. Isobutyraldehyde and water to form an azeotrope boiling point of 59 ℃, containing 6% water. At 20 ℃ 100mL water soluble in this product 11g, oxidized in air to isobutyric acid.

Uses

Used in the manufacture of rubber vulcanization accelerator and antioxidant, isobutyric acid. It can be used to make resin, spice, surfactant, plasticizer, additive, raw material of medicine. Hydrogenated to produce isobutanal. It is reported that isobutyraldehyde and propylene in high-pressure liquid-phase oxidation can be produced propylene oxide, isopropanol, acetone and other basic organic raw materials; disproportionation can be obtained n-butyraldehyde and methyl ethyl ketone, hydrogenation by ammonia can be obtained isobutylamine.

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