Products

Stannous Fluoride

Molecular formula：SnF₂　Molecular weight：156.71
Usage: Used in toothpaste production to protect teeth from calcium leaching. Used in the daily chemical industry to reduce drug allergies. Soft soldering agent used for brazing aluminum alloys.
Property: White monoclinic crystal. Melting point 215 ℃. Boiling point 850 ℃. Dissolve in cold water and hydrofluoric acid. Easily hydrolyzed and oxidized in water.
CAS#：7783-47-3　Customs number：--　MSDS：-- 　Hazard code：--

Specifications	Toothpaste grade	Daily chemical grade
Standard	Yotech Standard	USP-34
Content ％	≥99.0	≥94.0
Sn ％	≥75	≥71.2
F ％	22.3-25.5	22.3-25.5
Sb ppm	≤50	≤50
Pb ppm	≤10	≤30
As ppm	≤3	≤3
Hg ppm	≤2	≤2
Fe ppm	≤10	≤18
PH (0.4% aqueous solution)	2.8-3.5	2.8-3.5

Central control inspection
Appearance	White crystalline	White crystalline
Loss on drying（105℃/4H）％	≤0.2	≤0.5
Whiteness (70-90um particle size) ％	≥98	≥95
Transmittance(3% aqueous solution) ％	≥95	≥90
quality guarantee period year	Two years	Two years

Supply reference
Production process	synthesis method	synthesis method
Packaging specifications	25kg plastic paper bag with four layers/20T/(20’)FCL	25kg plastic paper bag with four layers/20T/(20’)FCL
Quotation specifications	full container load	full container load
Quotation reference Yuan/ton
Quotation validity period	three months	three months

Note: Customers' special requirements can be negotiated for specific specifications of production.

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