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). |