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          Dipotassium tetraborate
          
           
          
	
		
          
			Molecular formula
			K2B4O7.5H2O
		
          
		
          
			Molecular weight
			323.51
		
          
		
          
			CAS    NO
			12045-78-2
		
          
		
          
			Characters
			White crystal
		
          
		
          
			Use
			Used as disinfector
		
          
		
          
			Specification
			Analytically pure , chemically pure
		
          
		
          
			Executive standard
			Enterprise standard
		
          
		
          
			Technical index
			
			
          
				
					
          
						
						
          Name
          
						          		
						
						
          Analytically pure (%)
          
						          		
						
						
          Chemically pure(%)
          
						          		
					
          
					
          
						
						
          Content 
          
						          		
						
						
          ≥99.5
          
						          		
						
						
          ≥99.0
          
						          		
					
          
					
          
						Water undissolved substance
						≤0.005
						≤0.01
					
          
					
          
						
						
          Chloride(Cl)
          
						          		
						
						
          ≤0.001
          
						          		
						
						
          ≤0.002
          
						          		
					
          
					
          
						
						
          Sulfate(SO4)
          
						          		
						
						
          ≤0.005
          
						          		
						
						
          ≤0.01
          
						          		
					
          
					
          
						Nitrate(NO3)
						
						
          ≤0.005
          
						          		
						
						
          ≤0.005
          
						          		
					
          
					
          
						Carbonate(CO3)
						
						
          qualified
          
						          		
						
						
          qualified
          
						          		
					
          
					
          
						Calcium(Ca)
						
						
          ≤0.005
          
						          		
						
						
          ≤0.005
          
						          		
					
          
					
          
						
						
          Ferrum(Fe)
          
						          		
						
						
          ≤0.0005
          
						          		
						
						
          ≤0.001
          
						          		
					
          
					
          
						
						
          Heavy metal(Pb)
          
						          		
						
						
          ≤0.001
          
						          		
						
						
          ≤0.002
          
						          		
					
          
					
          
						Phosphate(PO4)
						
						
          ≤0.001
          
						          		
						
						
          ≤0.002
          
						          		
					
          
					
          
						Arsenic(As)
						
						
          ≤0.0005
          
						          		
						
						
          ≤0.0005
          
						          		
					
          
				          
			
          
			          		
		
          
		
          
			Packing
			500kg for bottle packing, 40kg for pail packing, 25kg for paper plastic packing.
		
          
	          

          

          
           
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