详细说明
(Toothpaste Grade)
Product name: Sodium monofluorophosphate
Molecular formula: Na2PO3F
Molecular weight: 143.95
Description: Sodium monofluorophosphate is white powder or white crystal, easilysoluble in water with strong hygroscopy, the solubility at 25 ℃ is 42g / 100g water. No side effect and corrosive action, PH (2% aqueoussolution) is 6.5---8.0, very stable and compatible, Themelting point at 625 ℃ .
Usage: Sodium monofluorophosphate is one kind of excellent caries preventingagent and tooth desensitizer, mainly used as additive for toothpastecontaining fluorine, the common dosage as 0.7---0.8%. and used forfluorination of drinking water, in drinking water is 1.0mg/L, It hasoutstanding anti-bacterium action, The aqueous solution can inhibit thegrowth and propagation of mould fungus, aspergillus niger,staphylococcusaureus, salmonella typhosa, pseudomonas aeruginosa, etc. it is also usedas antimicrobial, antiseptic, solubility promoter and detergent foroxide on the surface of metal.
Product Standard: HG2763-1996
Specification
Items
HG2763-1996
Enterprise
Standard
Appearance
White powder or white
crystal
White powder or white
crystal
Sodium monofluorophosphate
(Na 2 PO 3 F ) %
≥93.0
≥97.0
Combined Fluorine (F)%
≥12.3
≥12.8
Free Fluorine (F)%
≤1.2
≤0.6
Total Fluorine (F)%
≥12.7
≥13.0
PH ( 20g /L aqueous solution)
6.5---8.0
6.5---8.0
Arsenic (As) %
≤0.0003
≤0.0003
Heavy Metal (Pb)%
≤0.005
≤0.005
Loss on Drying
≤0.2
≤0.2
Packing: In net 25 Kg kraft paper laminated with polywoven polyliner.