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Changshu New-Tech Chemicals Co., Ltd. – A leading manufacturer since 2002 specializing in Sodium Hypophosphite (SHP), Hypophosphite Acid (HPA), THPS, THPC, and other high-purity fine chemical products for industrial, agricultural, and biocidal applications.

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About Changshu New-Tech Chemicals

Founded in 2002 and located in the Hi-tech Fluorine Chemical Industrial Park in Jiangsu Province, Changshu New-Tech Chemicals Co., Ltd. is a leading manufacturer specializing in the development, production, and global sales of phosphorus-series and fine chemical products.

With over two decades of expertise, we have established ourselves as a trusted supplier of high-purity chemicals used in electroless nickel plating, water treatment, flame retardants, and specialty synthesis. Our commitment to innovation, quality control, and environmental responsibility ensures consistent performance and safety across all our product lines.

  • Established in 2002 in Jiangsu Province, China
  • Specializing in phosphorus-based fine chemicals
  • ISO-standard manufacturing and quality assurance
Factory and Laboratory

Our Core Chemical Products

We manufacture and supply high-purity phosphorus-based chemicals used in electroless plating, biocides, flame retardants, and industrial synthesis. All products are produced under strict quality control standards.

Sodium Hypophosphite (SHP)

Sodium Hypophosphite (SHP)

A key reducing agent in electroless nickel plating baths. High purity grade ensures consistent deposition and excellent corrosion resistance.

  • CAS No: 7681-53-0
  • Purity: ≥98%
  • Form: White crystalline powder
  • Applications: Electroless plating, reducing agent
Hypophosphite Acid (HPA)

Hypophosphite Acid (HPA)

A stable liquid form of hypophosphorous acid used in specialized reduction processes and as a precursor in chemical synthesis.

  • CAS No: 6303-92-4
  • Concentration: 50% aqueous solution
  • pH: 1.0–2.0
  • Applications: Chemical synthesis, reducing agent
Tetrakis(hydroxymethyl)phosphonium Sulfate (THPS)

THPS

Tetrakis(hydroxymethyl)phosphonium sulfate – a highly effective, biodegradable biocide used in water treatment and oilfield applications.

  • CAS No: 55566-30-8
  • Active Content: 75% min
  • pH: 2.0–3.0
  • Applications: Biocide, water treatment, oilfield
THPC

THPC

Tetrakis(hydroxymethyl)phosphonium chloride – used in flame retardant treatments and as a biocidal agent in industrial systems.

  • CAS No: 55566-30-8
  • Active Content: 70% min
  • Form: Colorless to pale yellow liquid
  • Applications: Flame retardant, biocide
THPS-UPC

THPS-UPC

Ultra-pure grade THPS with enhanced stability and performance for sensitive industrial and environmental applications.

  • Purity: ≥99.5%
  • Impurities: Ultra-low metal content
  • Stability: Enhanced shelf life
  • Applications: High-performance biocides
THPC-UPC

THPC-UPC

Ultra-pure THPC formulation designed for flame retardant textiles and high-efficiency biocidal systems.

  • Purity: ≥99%
  • Form: Clear aqueous solution
  • Stability: Optimized for long-term storage
  • Applications: Textile treatment, biocides
Tributyltetradecylphosphonium Chloride

Tributyltetradecylphosphonium Chloride

A quaternary phosphonium salt used as a phase-transfer catalyst and antimicrobial agent in industrial processes.

  • CAS No: 104257-91-8
  • Purity: ≥98%
  • Form: White to off-white solid
  • Applications: Catalyst, biocide
Bis-(2,4,4-trimethylpentyl)phosphinic Acid

Bis-(2,4,4-trimethylpentyl)phosphinic Acid

A specialty extractant used in hydrometallurgy for selective metal ion recovery, particularly in rare earth and cobalt processing.

  • CAS No: 25584-09-8
  • Purity: ≥97%
  • Form: Viscous liquid
  • Applications: Metal extraction, hydrometallurgy

Why Choose Xinte-Chem?

We combine advanced manufacturing, rigorous quality control, and global logistics to deliver reliable chemical solutions tailored to your industrial needs.

20+

Years of Experience

Established in 2002, we bring over two decades of expertise in phosphorus chemistry and fine chemical production.

ISO

Quality Assured

Our manufacturing processes follow international standards to ensure consistent purity, safety, and performance.

🌍

Global Reach

We export to markets worldwide with reliable logistics and regulatory compliance support.

♻️

Eco-Friendly

Our biodegradable products like THPS support sustainable industrial practices and environmental safety.

2002
Founded
+50
Countries Served
98.5%
Customer Retention
100+
Custom Formulations

Frequently Asked Questions

Get answers to common questions about our products and services.

What is Sodium Hypophosphite used for?

Sodium Hypophosphite (SHP) is primarily used as a reducing agent in electroless nickel plating baths. It enables the deposition of nickel-phosphorus alloy coatings on metals and plastics without the need for electrical current.

Is THPS biodegradable?

Yes, THPS (Tetrakis(hydroxymethyl)phosphonium sulfate) is a biodegradable biocide. It breaks down into non-toxic byproducts, making it an environmentally friendly choice for water treatment and oilfield applications.

Do you offer custom packaging?

Yes, we provide flexible packaging options including 25kg bags, 200L drums, IBC totes, and bulk shipments, tailored to your logistics and handling requirements.

Can you supply samples?

Yes, we offer product samples upon request for evaluation. Please contact us directly to request a sample of any of our chemical products.

What certifications do you have?

Our manufacturing facility adheres to international quality standards. We maintain strict process controls and documentation to support regulatory compliance in global markets.

Get in Touch

For inquiries, product specifications, or sample requests, please reach out through the official website.

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Contact Information

  • Phone: +86-512-52320508
  • Phone: +86-512-52321938
  • Fax: +86-512-52321928
  • Fax: +86-512-52321366
  • Email: [email protected]

Company Details

  • Company: Changshu New-Tech Chemicals Co., Ltd.
  • Founded: 2002
  • Location: Hi-tech Fluorine Chemical Industrial Park, Jiangsu Province, China
  • Website: xinte-chem.com

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