| Other: | Molecular weight: 238.1 Physicochemical properties: This product is a white powder with good fluidity and is not easy to absorb moisture. It does not change in yellow for a few days below 110 °C. It is easily soluble in water. The aqueous solution is alkaline. It decomposes rapidly with acid and emits carbon dioxide, which is almost insoluble. In alcohols and ethers.
 Uses: Preparation of effervescent tablets in the pharmaceutical industry, neutralization drug of gastric acid, solubilizer of insoluble acidic drug and detergent as blowing agents.
 Product packaging: 25kg composite kraft paper bag, carton or cardboard drum or according to customer needs.
 
	
		
			| Item | Index |  
		 
			| Sodium content% | 18.0-20.0 |  
			| Nitrogen content% | 11.0-12.5 |  
			| pH (5% aqueous solution) | 8.5-9.5 |  
			| Heavy metal (as Pb) % ≤ | 0.002 |  
			| Lead (Pb)% ≤ | 0.0005 |  
			| Arsenic (As)% ≤ | 0.0003 |  
			| Loss on drying % ≤ | 0.5 |  |