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Molecular formula: C4H2O3
molecular weight: 98.06
CAS:
density: 1.48; 1.314 (60 ° C)
melting point: 52.8 (60 reports) ° C
Boiling Point: 200 ° Cb _ flash point:
toxicity LD50 110 ° C (mg / kg): 400 ~ rat oral 850.
traits: colorless crystalline powder, a strong odor stimulation.
solution: dissolve in alcohol, ether and acetone, petroleum ether and difficult to dissolve in carbon tetrachloride. The role into hot water with maleic acid.
purposes: for dual-Vinyl, of drugs, pesticides, dyes and intermediates of polyester resins, alkyd resins, maleic acid and other organic acids, fats and oils used as preservatives. Preparation or
Source: benzene from the catalytic oxidation, or by using butene or butane in the air oxidation system.
Note: easy sublimation.
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