Sodium Hypophosphite(CAS NO:7681-53-0)

Characters:

     Colorless crystallization or pearl gloss crystallization and  crystal granular powder, hygroscopic is strong, soluble in water,ethanol and glycerine, insoluble to ether, easily deliquescence. It's strong reducing agent, can retum to original metal like as silver,platinum, nickel and so on, it can revert when heats up to 200℃.

Molecular formula: NaH₂PO₂·H₂O

Molecular weight: 105.99

Specification:

Grade	Technical Grade	EL Grade
Appearance	White Crystal Powders	White Crystal Powders
PH（5%H2O）	6.0～8.0	6.4～6.6
Assay	≥102.0%	102.0%～104.0%
Phosphite	≤0.2%	-
CL-	≤100ppm	≤40ppm
SO42-	≤100ppm	≤40ppm
Fe	≤1ppm	≤1ppm
Pb	≤1ppm	≤1ppm
As	≤1ppm	≤1ppm
Ca	≤40ppm	≤30ppm
Al	≤5ppm	≤5ppm
Cu	≤1ppm	≤1ppm
Mg	≤5ppm	≤5ppm
Ni	≤1ppm	≤0.1ppm
Zn	-	≤0.1ppm
K	-	≤100pm

Use:
    Use in chemical plating nickel, it acts as reducer in nickel liquid,can form cheliform substance with nickel and control PH value, it can increase the capability of surface and glabrousness of nickeling products.

Packing:
     Packing in multiple kraft paper bag, 25 KG net weight, inner use polythene bag.