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tartaric acid price 2,3-Dihydroxybutanedioic acid L+—(-)Tartaric acid supplier
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.
Chemical name
|
|
Molecular formula |
C4H6O6 |
Molecular weight |
150.09 |
CAS No. |
87-69-4 |
Properties of L Tartaric acid
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 |
ITEM | SPECIFICATION | TEST RESULTS |
Assay | 99.7%~100.5% | 1 |
Appearance | White crystal or powder | White crystal |
Specific rotation[a]D20C | +12~13 | 12.6 |
Residue on ignition | 0.0005 | 0.0002 |
Loss on drying | 0.005 | 0.0009 |
Oxalate(C2O4) test | Pass test | Pass test |
Sulphate(SO4) test | Pass test | Pass test |
Arsenic(As) | 2ppm | Less than 2ppm |
Pb | 2ppm | Less than 2ppm |
Conclusion | The above product conforms to FCCIV Standard |
Application of L tartaric acid
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.
We also can supply DL-Tartaric acid CAS no.133-37-9
Chemical nature of DL-Tartaric acid
Chemical name
|
DL-Tartaric acid |
Molecular formula |
C4H6O6 |
Molecular weight |
150.09 |
CAS No. |
133-37-9 |
Properties DL-Tartaric acid
Physical form
|
Colorless crystals or white crystalline powder |
Concentration (%) |
≥99.5 |
Melting point(℃) |
200-206 |
Loss on drying(%) |
≤11.5 |
Residue on ignition(%) |
≤0.10 |
Sulfate(SO4) |
≤0.02 |
Oxalate(mg/kg) |
Passes test |
Heavy metal(%) |
≤0.001 |
Chloride(Cl,%) |
≤0.002 |
Arsenic(%) |
≤0.0002 |
Package and Shipping:DL tartaric acid
1.25kg/bag, stored in cool and dry place. 18 MT/20'FCL (with pallet) or 20MT/20'FCL (without pallet)
2.Immediate delivery after receiving your payment.
Storage:
Stored in a clean, cool and dry area; keep away from strong, direct light.
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