Godavari Biorefineries Ltd. Offers Crotonic Anhydride. Godavari Biorefineries Ltd. Manufactures Alcohol based Chemicals, Sugar, Power, Industrial Alcohol, Heavy Organic Chemicals, Specialty Chemicals, Bio-fertilizers, Ethanol etc. The Crotonic Anhydride is available in pale yellow liquid. The Crotonic Anhydride has purity of 99%. The Crotonic Anhydride is available with density of 1.039g/cm³ The Crotonic Anhydride has water content of 0.089%.