| Molecular Formula: C16H18ClN3S•3H2O |
| Molecular Weight: 373.90 |
| Properties: dark green crystal or fine dark brown powder; easily soluble in water; soluble in alcohols; solution is sky blue; soluble in chloroform; insoluble in aether and benzene. Maximum Absorption Wavelength: 668, 609nm. |
| Use: As oxidation-reduction indicator; in the determination of hydrargyrum and stannum; as bateria dyes. |
| Storage and transport: Closed tight. |
| Ethanol solubility test |
Qualified |
| Drying loss |
≤15% |
| Residue on ignition(sulphates) |
≤0.5% |
| Biological dyeing test |
Qualified |
