Chemical name                          

Sodium hydroxy methylene sulfonate

Molecular formula                    

CH3NaO4S

Molecular weight                    

134.1

CAS No.                             

870-72-4

Physical form

Colorless to yellowish clear liquid

Concentration (%)

24~28 (UV)

pH

4.5~6.0

Density (20°C)

1.21~1.25

Solubility (20°C)

Well soluble in water.

Secondary constituent

Methyl aldehyde

PN is used to complex with heavy metal ions such as Cu, Zn, Pb, etc. in nickel baths at a concentration of 10-100mg/L.