L(+)-Tartaric acid CAS 87-69-4 is colorless translucent crystal or white fine to coarse crystalline powder with sour taste.
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Product Name |
L(+)-Tartaric acid |
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Formula |
C4H6O6 |
Molecular Weight |
150.09 |
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CAS NO. |
87-69-4 |
Quantity |
500KG |
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Items |
Specification |
Results |
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Appearance |
crystalline powder |
Conforms |
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Assay |
≥99.0% |
99.47% |
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CONCLUSION |
The result conform with standard |
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Melting point 170-172°C(lit.)
Specific rotation 12º(c=20,H2O)
Boiling point 191.59°C (roughestimate)
Density 1.76
Vapor density 5.18 (vsair)
Vapor pressure<5Pa(20°C)FEMA3044|TARTARICACID(D-,L-,DL-,MESO-)
Refractive index 12.5°(C=5,H2O)
Flash point 210°C
Storage conditions Storeat+5°Cto+30°C.
Solubility H2O:soluble1Mat20°C,clear,colorless formSolid
Acidity coefficient (pKa)2.98,4.34(at25℃)
ColorWhiteorcolorless
As an antioxidant added to food, it can make food have a sour taste. The largest use of tartaric acid is as a beverage additive. It is also a raw material for the pharmaceutical industry. In the mirror industry, tartaric acid is an important auxiliary and reducing agent, which can control the formation speed of silver mirror and obtain a very uniform chemicalbook layer. Used as biochemical reagent, masking agent and beer foaming agent, also used in tanning industry. L(+)-tartaric acid is widely used as a sour agent in beverages and other foods, in wine, soft drinks, confectionery, bread, and certain gelatinous sweets. Mainly used as sour agent, splitting agent and pharmaceutical raw materials.
