Chemical nature

　　Chemical name L(+)-Tartaric acid

　　Molecular formulaC4H6O6

　　Molecular weight150.09

　　CAS No.87-69-4

　　Properties

　　Physical form Colorless crystals or white crystalline powder

　　Concentration (%)99.7-100.5

　　Specific rotatory powder+12.0-+13.0

　　Loss on drying(%)≤0.5

　　Residue on ignition(%)≤0.05

　　Sulfate(SO4)Passes test

　　Oxalate(mg/kg)Passes test

　　Lead(mg/kg)≤2

　　Application

　　1.L(+)-Tartaric acid is mainly used as acidulant in beverage,and other foods, such as soft drinks, wine, candy, bread and

　　some colloidal sweetmeats.

　　2.Used as catalyst in the resin finishing of polyester fabric or pH value regulator in oryzanol production

　　3. Used as complexing agent, screening agent or chelating agent in chemical analysis and pharmaceutical inspection, or as resist agent in dyeing.

　　4.Also complex with metal ion and can be used as cleaning agent or polishing agent of metal surface.

　　Packing

　　25kg/ complex bag, stored in cool and dry place.

87-69-4