Sodium Hypophosphite- Top 10 Manufacturers & Suppliers

Sodium Hypophosphite (CAS No. 10039-56-2) is a critical reducing agent widely used in electroless nickel-plating, chemical synthesis, pharmaceuticals, and water treatment. This page provides verified supplier information, product specifications, and global sourcing guidance to help buyers make informed decisions.


1. Product Overview

Item Details
Chemical Name Sodium Hypophosphite
Chemical Formula NaH₂PO₂·H₂O
CAS Number 10039-56-2
Molecular Weight 105.99 g/mol
Appearance White crystalline powder
Purity ≥ 99% (Industrial Grade / Electroplating Grade)
HS Code 2834.10
Shelf Life 24 months when stored in a cool, dry place

2. Key Applications

  • Electroless Nickel Plating – Acts as a reducing agent to deposit nickel-phosphorus coatings on metals and plastics.

  • Chemical & Pharmaceutical Intermediate – Used in synthesis of APIs and specialty chemicals.

  • Food & Polymer Industry – Functions as a stabilizer and antioxidant in specialty formulations.

  • Water Treatment & Oilfield Chemicals – Helps control oxidation and scale build-up.


3. Top 10 Sodium Hypophosphite Manufacturers & Suppliers

1. CHANG ZHOU AO ZUN COMPOSITE MATERIAL CO., LTD

  • Main Products: Sodium Hypophosphite, Nickel Sulfate, Electroless Plating Chemicals

  • Strengths: Stable supply, strict QC, REACH compliant

  • Contact Us: Click to email → [email protected]


2. CHANG ZHOU QI DI CHEMICAL CO., LTD

  • Main Products: Sodium Hypophosphite, Hypophosphorous Acid, Specialty Additives

  • Strengths: Competitive price, fast delivery, professional export experience

  • Contact Us: Click to email → [email protected]


3. Arkema

  • High-purity sodium hypophosphite for electronics and industrial coatings.

  • Global distribution and OEM packaging services.

4. Solvay

  • Offers electronic-grade reducing agents for surface finishing and chemical processing.

5. Nippon Chemical Industrial Co., Ltd

  • Japanese manufacturer specializing in high-purity electroless nickel chemicals.

6. Hubei Xingfa Chemicals Group

  • Large-scale factory with stable raw material supply and bulk export capacity.

7. Jiangsu Kangxiang Industrial Group

  • Produces sodium hypophosphite monohydrate with ISO-certified manufacturing.

8. Jiangxi Fuerxin Pharmaceutical & Chemical Co., Ltd

  • Focus on pharmaceutical-grade sodium hypophosphite and derivatives.

9. Anhui Elite Industrial Co., Ltd

  • Supplies industrial chemicals with OEM/private label packaging.

10. Sinopharm Chemical Reagent Co., Ltd

  • Laboratory-grade sodium hypophosphite for research and analytical industries.


4. Product Specifications (Typical)

Parameter Value
Purity (NaH₂PO₂·H₂O) ≥ 99.0%
Insoluble Matter ≤ 0.005%
Sulfate (SO₄²⁻) ≤ 0.005%
Chloride (Cl⁻) ≤ 0.02%
Iron (Fe) ≤ 0.0005%
Heavy Metals (Pb) ≤ 0.001%
pH (10% solution) 6.5 – 8.5

5. Packaging & Storage

  • Packaging Options:

    • 25 kg plastic-lined woven bags

    • 500 kg or 1000 kg jumbo bags

    • Custom packaging upon request

  • Storage:

    • Keep in sealed containers, away from moisture and heat

    • Store in a dry, ventilated warehouse

    • Avoid contact with strong oxidizers


6. Why Choose Trusted Suppliers?

  • Consistent purity and technical quality

  • Accurate documentation: COA, MSDS, Reach, ISO9001

  • On-time delivery and professional export support

  • Flexible OEM / customized packaging


7. Sodium Hypophosphite (CAS No. 10039-56-2) Frequently Asked Questions (FAQ)

Q1: Is Sodium Hypophosphite hazardous?
A: It is non-flammable but may release toxic phosphine gas at high temperatures. Proper PPE and ventilation are required.

Q2: Can it be shipped by sea or air?
A: Yes. It is classified as non-dangerous goods for transport (UN classification exempt), but moisture-proof packaging is essential.

Q3: Does it contain phosphorus for fertilizer use?
A: No. It is not used as a fertilizer-grade phosphorus source; it serves mainly as a reducing agent.

Q4: Can I request a free sample?
A: Yes. Most suppliers provide 100–500 g samples; courier costs may apply.

Q5: What is the minimum order quantity (MOQ)?
A: Typically 500 kg to 1 MT for industrial supply. Negotiable for long-term contracts.