Introduction ( Dl-Tartaric Acid CAS 133-37-9)
Dl-Tartaric Acid is a Colorless crystals or white powder without odor, with sour taste, stable in air, compound of equal quantity of dextro-rotatory and levo-rotatory tartaric acid, containing one or two molecule crystalline water and losing water when heated to 100°C, specific gravity 1.697.As acidifier and natural preservative for marmalades, ice cream, jellies, juices, preserves, and beverages. As effervescent for carbonated water. As emulsifier and preservative in the bread-making industry and in the preparation of candies and sweets.
Common Name | DL-Tartaric acid |
CAS Number | 133-37-9 | Molecular Weight | 150.087 |
Density | 1.9±0.1 g/cm3 | Boiling Point | 399.3±42.0 °C at 760 mmHg |
Molecular Formula | C4H6O6 | Melting Point | 200-206ºC |
Products Parameters:
Products Parameters: Standard
Products Parameters: | white crystalline powder |
Assay | 99.5~101.0 |
Specific rotation[a]D20 | +12 ~12.8 ° |
Heavy metals(on Pb) | ≤0.001 |
Calcium (Ca) | ≤0.02 |
Residue on ignition | ≤0.05 |
Loss on drying | ≤0.2 |
Oxalate(C2O4) | ≤0.035 |
Sulphate(SO4) | ≤0.015 |
Arsenic(As) | ≤0.0003 |
Chloride (Cl) | ≤0.01 |
Solubleness | Pass test |
Storage | in dry and cool place |
Packing | 25kg/bag |