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 1. Product name: Ammonium bisulphite solution2. Molecular formula: NH4HSO3
 3. Molecular weight: 99.10
 4. Physical and chemical properties: light yellow liquid, with a little sulfur dioxide odor. Relative density (70%) : 1.4.
 5. Technical index:
 
	
		
			| Item | Photographic grade |  
			| Appearance | clear light yellow liquid |  
			| Content w/w % | 68-72 |  
			| pH value (stock solution 20°C) | 4.0-6.0 |  
			| Iron (Fe) w/w %≤ | 0.001 |  6. Packing: 270kg plastic drum
 7. Uses: in synthesizing dye intermediate, surfactant, herbicide, reducing agent in pharmaceutical industry, etc.
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