Disodium methanedisulfonate (MDSA-Na)
 
Chemical nature           
Chemical name: Methane disulfonic acid Sodium salt;Disodium methanedisulfonateMolecular formula: CH2Na2O6S2
Molecular weight: 220.13
CAS No. 5799-70-2

Properties            
Appearance: White Powder
Water solution appearance: Water solution is clear
NaSO3CH2SO3Na (%): ≥99.0
SO42- (%): ≤0.005
Cl- (%): ≤0.0005
Fe3+ (%): ≤0.002
Ca2+ (%): ≤0.002
Pb (%): ≤0.001
Water Insoluble Matter (%): ≤0.05
SO32- (%): ≤0.03
Moisture (%): ≤1.0
K+ (%): ≤0.002
Ba2+ (%): ≤0.002
As (%): ≤0.0002

Application     
MDSA-Na is used as pharmaceutical intermediates, Organic reaction catalyst, surface treatment agent, metal surface treatment agent, chrome plating intermediates(etc.).

Packing and Storage
25 Kg/Iron drum, store in cool and dry place