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Butanedioic Acid |
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| Specification: | ||
| Description: Colorless or White crystals or White crystalline powder. It dissolves in water,a little dissolves in alcohol,ethyl ether, acetone and anhydrous glycerol, not dissolves in benzene,carbon tetrachloride and petrolane. It is a relatively strong organic acid. General Characteristics: - Chemical Name: Butanedioic Acid or Amber Acid - Molecular Formula: C4H6O4 - Structural Formula:HOOC(CH2)2COOH - M.W.........118.09 Specification: - Appearance:........Colorless to white crystals or white crystalline powder. - Aqueous Solution:......Colorless and transparent or basically so. - Assay(as C4H6O4)......99.5%min. - Boiling Point:......235C(Decompose) - Melting Point:........185C - Residue on Igintion...0.1 - Heavy metals(as Pb)....0.002%max. - Chlorde[Cl-]...........0.007%max. - Iron[Fe]...............0.002%max. - Sulfate[SO4-]..........0.02%max. - Maleic acid............0.8%max. - Humidity...............0.5%max. Application: Butanedioic Acid is a kind of basic raw material in organic chemical industry, It's mainly used in food,pharmaceutical and chemical industry. It's used as acids for food industry,its sodium salt is a fine improvement agent of food flavor.Compared with glutamic acid and inosinic acid,its flavor is more tasty. In chemical industry, it is extensively used as pH adjuster for eletroplate of aluminum products, and as plasticizer. It is also used in producing paint,dye,ion exchange resin,pesticide, as well as in analyse reagent. In pharmaceutical industry,it's used in synthesis ofdiuretic,sedative,expectorant,vitamin, sulphanilamide etc. It's also widely used as growth hormone of plant. |
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