Sodium Hypophosphite Powder
NaH₂PO₂·H₂O: ≥102.0%
Na₂HPO₃: ≤0.3%
Calcium: ≤10 ppm
Iron: ≤5 ppm
CAS: 7681-53-0
Package: 25kg bag
Premium Sodium Hypophosphite Powder for Electroless Nickel Plating | EverStar Group
When your electroless nickel plating operation demands absolute consistency, EverStar Group delivers. Our Sodium Hypophosphite Powder meets the rigorous standards your process requires—102% minimum assay, calcium controlled to ≤10 ppm, and iron held at ≤5 ppm. With over 13 years of chemical manufacturing expertise and 5,000+ tons of on-site inventory capacity, we ensure stable supply for your production schedule. Every batch is backed by comprehensive COA documentation and produced in our REACH-compliant facility serving 50+ countries. Whether you're coating aerospace components or automotive parts, you get the predictable reducing power and ultra-low impurities that prevent bath crashes and deliver uniform deposits every time.
Technical Specifications
| Parameter | Specification |
|---|---|
| Appearance | White crystalline powder |
| Chemical Formula | NaH₂PO₂·H₂O |
| Assay (as NaH₂PO₂·H₂O) | ≥102.0% |
| Phosphite (Na₂HPO₃) | ≤0.3% |
| Calcium (Ca) | ≤10 ppm |
| Iron (Fe) | ≤5 ppm |
| Chloride (Cl) | ≤50 ppm |
| CAS Number | 7681-53-0 |
| Water Solubility | ~1000 g/L at 20°C |
| pH (5% solution) | 5.5–7.5 |
| Package | 25 kg multi-wall kraft bags with PE liner |
Note: Product specifications may be adjusted during product iteration and optimization. Please submit your inquiry to us for the latest data and official COA documents.
Why EverStar's Sodium Hypophosphite Powder Stands Out?Ultra-Low Impurity Control for Extended Bath Life
Your plating shower is costly. Sullied diminishing operator ruins it quick. Our strict debasement control ensures your venture. Calcium underneath 10 ppm avoids phosphite slime that causes harsh, permeable stores. Press beneath 5 ppm dispenses with the hazard of disastrous shower decomposition—that sudden darkening when unconstrained nickel precipitation annihilates your whole shower volume. Phosphite substance held to 0.3% greatest implies you begin with new diminishing control, not pre-oxidized fabric that cuts your shower life from day one.
Consistent Reducing Power You Can Calculate Around
The 102% test isn't a typo. It reflects ideal precious stone structure and most extreme diminishing capacity. This consistency things when you're defining plating showers or altering dosing rates. You get unsurprising statement rates, repeatable phosphorus substance in your nickel-phosphorus combination coating, and uniform thickness indeed on complex geometries where electroplating comes up short. Each generation run performs like the final one.
Factory-Direct Supply with Technical Backup
We fabricate at scale in our possess office. That implies competitive estimating without merchant markups, and coordinate get to to our chemical engineers when you require definition back. Our 99.5% on-time conveyance rate keeps your generation plan intaglio. Adaptable MOQ obliges trial clusters through full holder loads. And with 24-hour custom definition capability, we can alter details for specialized Applications.
Core Applications
Electroless Nickel Plating (ENP)
The primary use for industrial-grade Sodium Hypophosphite Powder. You need uniform coatings on valves, drill bits, electronic components, and intricate mold surfaces. Our product provides the controlled electron release that deposits smooth nickel-phosphorus alloys without electrical current. Ideal for parts with complex shapes, blind holes, and internal passages where traditional electroplating leaves gaps.
Oil & Gas Equipment Protection
Coating basic components uncovered to hydrogen sulfide and destructive penetrating situations. The wear resistance and chemical steadiness conveyed by ENP—powered by high-purity hypophosphite—extends benefit life in downhole devices and topside handling equipment.
Automotive & Aviation Components
High-stress applications request solid surface security. Fuel framework components, pressure driven parts, landing equip elements—all advantage from the erosion resistance and hardness of electroless nickel stores. Our low-iron detail avoids absconds in safety-critical parts.
Electronics & PCB Manufacturing
Plating contacts, connectors, and protecting requires fine surface wrap up. Controlled phosphorus substance in the store (balanced through shower detailing with our item) decides attractive properties and solderability for your particular application.
Polymer & Fire Retardant Synthesis
Acts as lessening specialist and catalyst in forte chemical generation, counting phosphinic acid-based fire retardants for building plastics and glass-reinforced polyamides.
Quality Assurance & Compliance
Every production batch undergoes comprehensive quality verification in our in-house laboratory:
- Complete assay analysis and impurity profiling
- Batch-specific Certificate of Analysis (COA) provided with every shipment
- Optional ICP-MS trace metals analysis available for aerospace and military specification requirements
- EU REACH registered and ISO 9001 compliant manufacturing
- Moisture-barrier packaging maintains product stability during storage and transport
Storage & Handling Recommendations
Store in a cool, dry distribution center absent from oxidizing specialists and acids. Keep holders firmly fixed to anticipate dampness assimilation. Whereas steady underneath 200°C, dodge presentation to tall warm sources as deterioration over this temperature can discharge phosphine gas. Utilize suitable PPE when dealing with. Allude to our SDS documentation for total security protocols.
FAQ
Q: What makes the 102% test esteem possible?
A: The measure measures add up to lessening capacity as NaH₂PO₂·H₂O identical. The clear esteem over 100% reflects ideal gem hydration and structure, guaranteeing most extreme accessible lessening control for your plating process.
Q: How does moo calcium substance secure my plating bath?
A: Calcium responds with phosphite and phosphate particles in the shower to frame insoluble slime. This accelerate settles on your workpieces, making unpleasant spots and pores in the nickel store. By keeping calcium at or underneath 10 ppm, we kill this defilement pathway.
Q: Why is press control so critical?
A: Press acts as a catalyst for uncontrolled autocatalytic response in your plating shower. Indeed follow sums can trigger runaway decomposition—the shower abruptly turns dark as nickel accelerates all through the arrangement instep of storing on your parts. You lose the whole shower. Our ≤5 ppm detail avoids this disastrous failure.
Q: What phosphite level ought to I accept?
A: Phosphite (Na₂HPO₃) is the oxidation item of hypophosphite—it's basically went through decreasing operator. Tall phosphite implies you're paying for fabric that doesn't contribute to plating. It moreover amasses in your shower, abating statement rates. Our ≤0.3% constrain guarantees you get dynamic diminishing control from the to begin with dose.
Q: Can you give fabric for trial plating runs?
A: Completely. We bolster trial bunches with adaptable MOQ and give free tests for assessment. Our specialized group can help with shower detailing suggestions based on your particular substrate and execution requirements.
Q: Do you offer custom determinations for specialized applications?
A: Yes. Our 24-hour custom definition benefit can alter parameters for interesting mechanical prerequisites. Contact our R&D group to talk about your particular needs.
Q: What documentation do you provide for quality traceability?
A: Every shipment includes a batch-specific COA with full analytical results. For aerospace, military, or other high-specification applications, we can provide ICP-MS trace metals analysis and additional certification documentation as required.
Partner with a Reliable Chemical Manufacturer
Contact our team for pricing, sample requests for Sodium Hypophosphite Powder, or application support: info@cneverstar.com
