Butyric anhydride / N-butyric anhydride / Oxybutyryl / butyric anhydride / n-butyric anhydride / Butyric anhydride / Butyric anhydride

Cas No. 106-31-0
Molecular formula C8H14O3; (CH3CH2CH2CO) 2O
Molecular weight 158.19
Butyric anhydride
Colorless transparent flammable liquid, low toxicity. Soluble in water and decompose to form butyric acid, soluble in ether.
Melting point: -75 ℃
Boiling point: 199.4-201.4 ℃
Density: 0.9668
Refractive index: 1.412-1.414
Flash point: 82 ℃ Appearance colorless transparent liquid purity purity> 98% (GC)
Appearance Appearance colorless transparent liquid infrared spectrum identification Infrared spectrometry and reference product matching refractive index Refractive index n20 / D 1.4120-1.4140
Specific gravity (20/20 ° C) 0.9660-0.9690
Chroma Color scale <15 APHA

Product use: Preparation of cellulose butyrate; raw materials for butyrate esters and spices. It is used as a raw material for gallbladder contrast agent iodopantothenic acid in medicine.

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