2-mercapto-1,3,4 thiadiazole [ 18686-82-3 ]
                - Appearance
 - White to slightly yellow crystalline powder
 
- Melting Point
 - 142-144 ( ℃ )
 
- Boiling Point
 - 60.3 ( ℃ )
 
| Quality index: | White powder, sol. in hot water,alcohol | 
| Assay,%:: | ≥99.0% | 
| Melting point,℃:: | 145.0-146.0℃ | 
| Weight loss,%:: | ≤0.5% | 
| Package: | 25KG per drum | 
| Usage: | As intermediate for Ceftezole etc. |