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 1. Chemical name: Potassium thiosulfate2. Structural formula:
 
  3. Molecular formula: K2S2O3
 4. Specific gravity: 190.31
 5. CAS NO.: 10294-66-3
 6. Specification:
 
	
		
			| Item | Index |  
			| Appearance | colorless transparent liquid |  
			| Content (as K2S2O3),w % | 49~51% |  
			| Potassium (as K2O),%≥ | 25 |  
			| Sulfide (as S),%≥ | 17 |  
			| Sulfur (S),%≤ | 0.5 |  
			| Sulfate radical (as SO4) %≤ | 1.0 |  
			| PH(Tech,25℃) | 7.0~9.0 |  
			| Specific gravity (g/cm)3 | 1.44~1.48 |  7. Packing: 250KG plastic drum or infusion bag8. Uses: as analytical reagent and reducing agent, or in pharmaceutical industry and agriculture.
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