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nature : CH3COOH names acetate. Clarification colorless liquid. Stimulate smell. Density 1.049. 16.7 ° C melting point. The boiling point of 118 ° C. Dissolved in water, ethanol and ether. The anhydrous acid in 16 ° Csolidified into ice-like, commonly known as acetic acid (glacial acetic acid), the volume expansion of solidification, which can rupture the packaging. Ordinary acid containing about 36% pure acetic acid, a colorless and transparent liquid density 1.049. Acetic acid is an important chemical raw materials for the system of cellulose acetate, vinyl acetate, acetic anhydride, chloroacetic acid, acetate and salt. Apply to the production of PTA, textile printing and dyeing, and the amino acid fermentation system for microbicides. The main industrial acid production methods are ethanol, acetaldehyde by the ethylene oxide, liquid paraffin and oxidation of methanol carbonylation law. Wood also be tar (dry distillation of timber products) with solvent extraction separation.
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