SPECIFICATION
| Appearance | white crystals or crystalline powder | 
| Acidity or alkalinity | Passes the test | 
| Toluene sulphonamides | ≤0.0025% | 
| Benzoate and salicylate | Passes test | 
| Readily carbonisable substance | Passes test | 
| Lead | ≤2mg/kg | 
| Selenium | ≤0.003% | 
| Water | ≤15.0% | 
| Assay | 98.0%-101.0% | 
MOLECULAR STRUCTURE:

Molecular Formula:C7H4NNaO3S·2H2O
		
					
					
					
					


