| Molecular Formula: C16H18ClN3S•3H2O |
| Molecular Weight: 373.90 |
| Properties: dard green crystal or fine dark brown powder; easily soluble in water; soluble in alcohols(sky blue); soluble in chloroform; insoluble in aether and benzene. Maximum Absorption Wavelength: 668, 609nm. |
| Use: Oxidation-reduction indicator; in the determination of hydrargyrum and stannum. |
| Storage and transport: Closed tight. |
| Assay |
≥98.5% |
| Color change range(Oxidation-reduction) |
Qualified |
| Ethanol solubility test |
Qualified |
| Residue on ignition(sulphates) |
≤0.5% |
| Drying loss |
≤15% |
| As |
≤0.0005% |
| Zn |
≤0.02% |
| Cu |
≤0.015% |
