dl-tartaric acid(87-69-4)
1 CAS:87-69-4
2 Purity: 99.7%min
3 Type: Acidity Regulators,
dl-tartaric acid(87-69-4)
1 CAS:87-69-4
2 Purity: 99.7%min
3 Type: Acidity Regulators,
Description
Tartaric acid is a white crystalline diprotic organic acid. It occurs naturally in many plants, particularly grapes, bananas, and tamarinds, and is one of the main acids found in wine. It is added to other foods to give a sour taste, and is used as an antioxidant. Salts of tartaric acid are known as tartrates. It is a dihydroxy derivative of succinic acid.
Application and Function
1 Widely used in food, medicine, chemistry and light industry.
2 Also applied in tanning, photo
3 tartaric acid provides some of the tartness in the wine
COA fyr
Appearance | White crystalline powder | Complies |
Assay (C4H6O6) | 99.5-101.0% | 99.77% |
Specific rotation | +12.0-12.8 | +12.16 |
Heavy metals (as Pb) | ≤10 ppm | 9 ppm |
Chloride (CL) | ≤100 pm | 80 ppm |
Arsenic | ≤2 ppm | 1 ppm |
Sulfate (SO4) | ≤150 ppm | 100 ppm |
Loss on drying | ≤0.5% | 0.20% |
Sulfate ash | ≤0.1% | 0.043% |
Oxalate | ≤110 ppm | 90 ppm |
Calcium | ≤200 ppm | 150 ppm |
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