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
|
|
Supply reference
|
|
Production Process
|
|
|
Packing specification
|
|
|
Quote batch
|
|
|
Quote reference Yuan/Ton
|
|
|
Quote validity period
|
|
|
Hotline:
