| ≥1 piece |
1.L(+)-Tartaric Acid
2.Cas no.:87-69-4
3.Content: 97-101% min
4.25kgs per bag
L(+)-Tartaric acid
Chemical name : dextro-rotation-2,3- dihydroxy butanedioic acid
Molecular formula : C 4 H 6 O 6
Molecular weight :150.1
Use : mainly used in chemical preparation of sour, chemical preparation of resolution and pharmaceutical materials. It can be used in high-level candy, cold drink and wine in food industry, also used in preservative and stabilizer. In textile industry it can be used in resist agent of printing and dying.
| Index name | Pharmaceutical grade | Foods grade | Industry grade |
| Content | 99.7-101min | 101min | (On dry base) |
| Specific rotatory power(20°C) | +12° to +12.8° | +11.5° to +13.5° | |
| Heavy metal | 0.001max | 0.001max | |
| Oxalate | 0.035max | negative | |
| Sulfate ash | 0.1max | 0.1max | |
| Sulfate (SO 4 ) | 0.015max | 0.05max | |
| Loss on drying | 0.2max | 0.5max | |
| Chloride(Cl) | 0.01max | 0.01max | |
| Calcium(Ca) | 0.02max | | |
| Arsenic(As) | 0.0003max | 0.0002max | |
| Melting point | 168-170°C | |
Usage:Reagent,animalcule culture medium and medicine.
Packing:25kg in woven bag lined with polyethylene bag.
Update Date:2011-2-25 2:38:07
| CAS No.: 87-69-4 | MF: C4H6O6 | Place of Origin: China (Mainland) |
| Type: Acidity Regulators |