| CAS No. |
133-37-9 |
| Other Names |
DL-Tartaric acid |
| MF |
C4H6O6 |
| EINECS No. |
205-695-6 |
| Place of Origin |
Shandong China (Mainland) |
| Grade Standard |
Food Grade |
| Purity |
99% 99.5% 99.7% 99.8% |
| Appearance |
Colorless translucent crystals or w... |
| Application |
rubber industry |
| Brand Name |
HQ |
| Model Number |
99% 99.5% 99.7% 99.8%-m |
Item%Medicinal GradeFood GradeMonohydrate CrystalSpecification%≥99.7≥99.5≥99.5Boiling point°C200-206200-206200-206Heavy metal(Pb)≤0.001%≤0.001%≤0.001%As≤2PPM≤2PPM≤2PPMSO4≤0.04%≤0.04%≤0.04% Loss on drying≤0.5%≤0.5%≤11.5%Residual≤0.10%≤0.10%≤0.10%Character:Colorless crystals or white powder, without odor, with sour taste, stable in air, compound of equal quantity of dextrorotatory and levorotatory tartaric acid, containing one or two molecule crystalline water and losting water when heated to 100°C, specific gravity 1.697. Its solubility in water is 20.6%,in ether is about 1% and 5.01% in ethanol. dz-11