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phthalic anhydride
CAS NO :85-44-9
k3CH2COOH, molecular weight 74.08. A colorless liquid, irritating odor. -21.5 ° C melting point. Boiling point of 141.1 ° C, the density (20 / 4 ° C) 0.992g/cm3. Compatibility with water and formation water with constant boiling point (99.98 ° C, with 17.7% acid) solution. Also with the formation of toluene solution constant boiling point. Soluble alcohol, ether and chloroform. Preparation for Propionates spices, as the cellulose nitrate solvents and plasticizers. May propionaldehyde or by the oxidation of alcohol is, it may be alcohol and carbon monoxide to BF3 catalyst for the reaction produced; Or ethylene, carbon monoxide and water vapor at high temperature, pressure, phosphoric acid as the catalyst in the reaction time. |
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| amino benzene, phthalic anhydride |
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Jinan Huifeng Chemical Co., Ltd. |
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