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MSA 70

METHYL SULFONIC ACID
70% SOLUTION
Low Chloride and Iron Grade
For fluoride-free electroplating



Specification
Unit
Typical Value
Purity
%
70 +/- 0.5
Sulphate (SO4)
ppm
100 max
Chloride (Cl)
ppm
10 max
Iron (Fe)
ppm
5 max
Colour
APHA
20 max
Properties
Unit
Typical Value
Specific Gravity (at 20°C)
-
1.34 – 1.36
Boiling Point ( at 10mmHg)
°C
167 – 167.5
Flash Point °C
189
Molecular Weight -
96.1
 
Description

MSA 70 (LCI) is a clear solution which is soluble in water and slightly soluble in methylbenzene
and phene. It is not soluble in paraffins.
 
Chemical Formula

CH4O3S or CH3SO3H
 
Application

It is used in fluoride-free electroplating processes, usually with MSA Tin and MSA Lead salts.
 
Packaging UN-approved PE drums (Net 250 kg).

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