Food Grade L(+)-Tartaric acid Powder CAS 87-69-4
L(+)-Tartaric acid Description:
Product Name: L-tartaric acid
Other Names: L-tartaric acid
Type: Acidity Regulators, Antioxidants
Appearance: white powder
MF: C4H6O6
CAS NO: 87-69-4
EINECS NO: 205-695-6
Grade standard: Food grade
Shelf life: 2years
Packing: 25kg/bag
What is L-tartaric acid ?
Tartaric acid, 2, 3-dihydroxysuccinic acid, is a carboxylic acid, chemical formula C4H6O6. Found in a variety of plants such as grapes and tamarind. It is also one of the main organic acids in wine.
As an antioxidant added to food, it can give food a sour taste. Tartaric acid is widely used as a beverage additive and as a raw material for the pharmaceutical industry.
描述
What are the uses of L-tartaric acid ？
L(+)-Tartaric acid is widely used as acidulates in beverage, and other foods, such as soft drinks, wine, candy, bread and some colloidal sweetmeats. With its optical activity, L(+)-Tartaric acid is used as chemical resolving agent to resolve DL-amino-butanol, an intermediate for anti-tubercular . And it is 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, L(+)-Tartaric acid is used in electroplating, sulfur removal and acid pickling. It is also used as complexing agent, screening agent or chelating agent in chemical analysis and inspection, or as resist agent in dyeing. With its reduction, it is used as reductive agent in.
L-tartaric acid Specification:
| ITEM | STANDARD |
| Appearance | White crystal powder |
| Content | 99.5~101.0 |
| Specific rotation[a]D20℃ | +12°~12.8° |
| Heavy metals(on Pb) | 0.001 max |
| Calcium (Ca) | 0.02 max |
| Residue on ignition | 0.05 max |
| Loss on drying | 0.2 max |
| Oxalate(C2O4) | 0.035 max |
| Sulphate(SO4) | 0.015 max |
| Arsenic(As) | 0.0003 max |
| Chloride (Cl) | 0.01max |
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