SODIUM ACETATE ANHYDROUS

                                   

	Chemical name: Sodium Acetate

	Chemical formula: C2H3NaO2·xH2O(x=0 or 3)

	Molecular weight: anhydrous: 82.03 ; trihydrate:136.08

	CAS: anhydrous 127-09-3 ; trihydrate 6131-90-4

	Description:Sodium Acetate occurs as colorless,transparent crystals or as a granular,crystalline or white powder.The anhydrous form is hygroscopic;the trihydrate effloresces in warm,dry air.One gram of the anhydrous form dissolves in about 2mL of water;1 g of the trihydrate dissolves in about 0.8mL of water and in about 19mL of alcohol.

	Specifications

	

		

			

				

					Name of index
			
			

				

					FCC V
			
			

				

					E262(i)
			
		
		

			

				

					Identification
			
			

				

					Pass test
			
			

				

					Pass test
			
		
		

			

				

					Assay(C2H3NaO2,on dried basis)  %
			
			

				

					99.0-101
			
			

				

					≥98.5
			
		
		

			

				

					Alkalinity, %
			
			

				

					≤0.2      anhydrous

					≤0.05     trihydrate
			
			

				

					---
			
		
		

			

				

					Lead, mg/kg
			
			

				

					≤2
			
			

				

					≤2
			
		
		

			

				

					 Loss on drying%
			
			

				

					≤1.0      anhydrous

					36.0-41.0   trihydrate
			
			

				

					≤2.0     anhydrous (120℃，4hours)

					36.0-42.0  trihydrate  (120℃，4hours)
			
		
		

			

				

					Potassium Compounds%  
			
			

				

					Pass test
			
			

				

					 
			
		
		

			

				

					PH(1% aqueous solution)
			
			

				

					---
			
			

				

					8.0-9.5
			
		
		

			

				

					Arsenic g/kg
			
			

				

					---
			
			

				

					≤3
			
		
		

			

				

					Mercury
			
			

				

					---
			
			

				

					≤1
			
		
		

			

				

					Formic acid,formats and other oxidisable substances mg/kg
			
			

				

					---
			
			

				

					≤1000
			
		
	


	 

	Applications : Buffer.

	Packing :25kgs net paper bags.

	Storage and transport : It should be stored in a ventilative and dry warehouse instead of in the open air, kept away from water, moisture and sunlight during transport, handled with care, so as to avoid damage to plastic bags. Furthermore, it should be stored separately from poisonous substances.

	Shelf life : two years.