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DL-Malic Acid |
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| Specification: | ||
| - Chemical Name:........................................... DL-Malic Acid - Molecular Formula:.......................................... C4H6O5 - Structural Formula:................................... HOOC(CH2)2COOH - M.W................................................................134.09 - CAS No: [636-61-3] - Description: White crystals or crystalline powder. It is steady property usually. soluble in water.It is a strong acid. - Assay(as C4H6O5)......99.0%-100.5%min. (Food grade) - Specific Rotation[a]25C.......-0.10 - +0.10 - Melting Point:........185C - Heavy metals(as Pb)....10ppm/kg max. - Residue on Igintion....0.1%max. - Fumaric Acid...........1.0% - Maleic acid............0.05%max. - Water insoluble Matter....0.1%max. - Arsenic 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 of diuretic,sedative,expectorant,vitamin,sulphanilamide etc. It's also widely used as growth hormone of plant. |
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