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Synonyms: Nickel plating additive
Sodium formaldehyde bisulfate
PN
Formaldehyde sodium bisulfite addition compound
methylolsulfonic acid sodium salt
SODIUM
Sodium hydroxyl methylene sulfonate
Molecular structure: 
Chemical nature
| Chemical name | Sodium formaldehyde bisulfite |
| Molecular formula | CH3NaO4S |
| Molecular weight | 134.1 |
| CAS No. | 870-72-4 |
Product Properties
| Appearance | Colorless to yellowish clear liquid |
| Density | 1.20-1.22 |
| PH | 3.0-6.0 |
Product Applications:
Dosage: 10~100mg/L
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.
Packing
25kg/drum, stored in cool and dry place
