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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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