Sodium hypophosphite
Chemical formula: NaH2PO2 • H2O
Molecular weight: 105.99
Executive Standard: HG / T 3253-2009
Characters: Colorless monoclinic (or acicular crystal) powder, colorless, odorless, taste salty, deliquescence strong, soluble in water, glycerol, alcohol.
use:
Mainly used as a chemical plating reductant, the plating can not be carried out on large equipment and small objects, or require more precision with a concave and convex complex shape, or deep hole wall, or require a higher surface hardness and wear resistance , Or plastic ceramic, glass, quartz and other non-metallic materials can be obtained on the surface of dense uniform, and more excellent than the plating of nickel-phosphorus coating. Widely used in electronics, aviation, machinery, petroleum and other industries. Also for synthetic resin interface activators, molecular weight regulator, heat stabilizer.
Packaging and storage: 25Kg kraft paper bags, 500Kg / 1000Kg container bags, stored in ventilated and dry place.
| INDEX | SPECIFICATION |
| Sodium hypophosphite | ≥ 102.0% |
| Sodium phosphite | ≤ 0.20% |
| Sulfate (SO42-) | ≤ 20 mg/kg |
| Chloride (Cl-) | ≤ 20 mg/kg |
| PH | 5.0 - 7.0 |
| Ca | ≤ 20 mg/kg |
| Fe | ≤ 1.0 mg/kg |
| Ba2+ test | Pass |
| Appearance | Colorless crystals, no lumps or visible impurities |
| Water solubility | Clear water solution, without impurity |
| Pb | 1.0 mg/kg |
| As | 1.0 mg/kg |
| Cd | 1.0 mg/kg |
| Cr | 1.0 mg/kg |
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