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D-tartaric acid Tartaric acid D Tartaric acid
Factory offer D-tartaric acid for hot sale/CAS 147-71-7
High quality D Tartaric acid
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1.Basic information:
Scientific Name](2S,3S)-2,3-dihydroxysuccinic acid
Molecular Formula:C4H6O6
Molecular Weigh:150.1
CAS Number:147-71-7
Character:Coloress or white crystalline. Odorless, acdic taste. Easily soluble in water and alcohol, insoluble in chloroform.
Specifications:BP2000|US FCC(IV)(Food grade)
Tartaric acid is a white crystalline organic acid that occurs naturally in many plants, most notably in grapes. Its salt, potassium bitartrate, commonly known as cream of tartar, develops naturally in the process of winemaking. It is commonly mixed with sodium bicarbonate and is sold as baking powder used as a leavening agent in food preparation. The acid itself is added to foods as an antioxidant and to impart its distinctive sour taste.
2.Specification:
Appearance |
Colorless or translucent crystal or a white powder,acidity |
Assay % |
99.7-100.5 |
Specific rotation [a]D25℃ ° |
+12.0 °- +13.0 ° |
Loss on drying % |
≤0.5 |
Sulfate test |
Passe test |
Oxalate test |
Passe test |
Lead Pb mg/kg |
≤2 |
Residue on ignition % |
≤0.05 |
3.Application:
1.Used as acidulant in beverage,and other foods, such as soft drinks, wine, candy, bread and some colloidal sweetmeats. With its optical activity.
2.Used as chemical resolving agent to resolve D-amino-butanol, an intermediate for antitubercular drug.
3.Used as chiral pool to synthesize tartarate derivatives. With its acidity, it is used as catalyst in the resin finishing of polyester fabric or pH value regulator in oryzanol production. With its complexation.
4.Used in electroplating, sulfur removal and acid pickling.
5.Used as complexing agent, screening agent or chelating agent in chemical analysis and pharmaceutical inspection, or as resist agent in dyeing. With its reduction.
6.Used as reductive agent in manufacturing mirror chemically or imaging agent in photography. It can also complex with metal ion and can be used as cleaning agent or polishing agent of metal surface.
4.Storage:
Kept in an air tightly, light-proof, dry and cool place.
CAS NO:147-71-7
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