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Stannous Methanesulfonate

Update: 2019/1/25      View:
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Introduction

CAS NO.: 53408-94-9
HS CODE: 2904100000
MOLECULAR FORMULA:  Sn(CH3SO3)2
APPEARANCE:  colorless or light yellow transparency liquid
Class No.: 8.1
PACKING:30kg or 250kg plastic drum, or as customer’s request

SPECIFICATION:
Sn2+:  19.5-20.5%; 290g/L-320g/L
Total Tin:  19.5-21.2%; 290g/L-330g/L
Sn4+:  ≤0.7%; ≤11g/L
Free MSA(as CH3SO3H):  5.5-7.5%; 60g/L-120g/L
Sulfate:  ≤500ppm
Chloride:  ≤50ppm
Pb:  ≤50ppm
Fe:  ≤10ppm
Co:  ≤5ppm
Ni:  ≤5ppm
Zn:  ≤5ppm
Cu:  ≤10ppm

Period of validity: 1 year
Application:Mainly used in semiconductor, circuit board, connector, wire rod, and tin plate. Widely used tin plating process of electronic component.

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