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Stannous flouride

Product name: Stannous flouride
Molecular formula:

SnF2 
CAS NO.: 7783-47-3
Index:
Other:

Molecular formula：SnF2        Molecular weight：156.71

Application：Used in toothpaste production to protect teeth from calcium dissolution. Used in the daily chemical industry to reduce drug allergy. A solder used to braze aluminum alloys.

Property：White monoclinic crystals. The temperature of 215 ° C. The boiling point of 850 ° C. Soluble in cold water and hydrofluoric acid. It is easily hydrolyzed and oxidized in water.

CAS NO.:7783-47-3

ITEM

Index

Electronic Grade

Pharmaceutical Grade

Assay                   %

99

94

Tin（Sn)                %

74

71.2

Fluorine F              %

23.5-24.8

22.3-25.5

Antimony（Sb）ppm       %

30

50

Lead（Pb）ppm           %

10

10

Arsenic（As)ppm         %

1

3

Hg（Hg）ppm

1

2

Iron（Fe）ppm

5

10

Silicon（Si）ppm

50

50

PH（0.4%Aqueous solution）

2.8-3.5

2.8-3.5

Loss on drying（105℃/4H）

0.2

0.2

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