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 |
