Specifications:
| ITEM | First grade | Second Grade |
| Colour Index | 10 max | 20 max |
| Purity | 90% min | 85% min |
| Sulphate as SO4 | 0.001% max | 0.002% max |
| Chloride as CL | 0.003% max | 0.005% max |
| Iron as FE | 0.0001%max | 0.0005%max |
| Evaporation residue | 0.006% max | 0.02% max |
Appearance: Colorless fuming and inflammable liquid with strong irritating smell,soluble in water and alcohol. Specific gravity: 1.2201(20°c). Melting point: 8.3°c. Boiling point 100°c.
Usage: widely used in pharmaceutical industry, leather industry, printing and dyeing industry, chemical industry, rubber industry, steel industry, paper industry, pesticide industry, food industry, poultry industry etc.