0086-19851820586 mengling@khonorchem.com
Water treatment

JIANGSU KHONOR CHEMI -CALS CO.. LIMITED

Sodium Zinc Phosphate ——Anti-Corrosion Phosphate for Coatings & Water Treatment

Type :Inorganic Chemical

E No :N/A

CAS N:20539-12-2 (for NaZnPO₄ reference)

Qty in 20' FCL:20MTs

Packaging :25kg bags

Product Details

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1. Product Description 🔹

Sodium Zinc Phosphate (NaZnPO₄) is an eco-friendly, inorganic phosphate compound combining the properties of zinc and sodium salts. It is widely used as a corrosion inhibitor, anti-rust pigment, and water treatment additive. This compound forms a dense phosphate layer on metal surfaces, providing effective protection against corrosion while improving coating adhesion and durability.

Key Features:

  • Inorganic, non-toxic, and environmentally friendly

  • Stable under normal storage and handling conditions

  • Suitable for various industrial applications including coatings and water treatment


2. Chemical & Physical Properties ⚗️

PropertyValue
Chemical FormulaNaZnPO₄
Molecular Weight137.35 g/mol
AppearanceWhite or off-white crystalline powder
SolubilitySlightly soluble in water, insoluble in organic solvents
Density2.89 g/cm³
pH (1% aqueous solution)7–8
CAS Number20539-12-2
E NumberN/A

Icon Suggestions: ⚗️ flask for chemical properties, 🧪 test tube for pH & solubility


3. Specifications 📋

ParameterTypical Value
Zn Content (%)20 ± 1
Na Content (%)11 ± 1
PO₄ Content (%)27 ± 2
Moisture (%)≤ 0.5
Particle Size10–50 μm
AppearanceWhite crystalline powder

Icon Suggestion: 📊 bar chart or ruler icon for specifications


4. Applications 🛠️

  • Anti-Corrosion Coatings: Forms a dense phosphate layer on metals to prevent rust and corrosion.

  • Water Treatment: Used as a corrosion inhibitor in cooling water and industrial water systems.

  • Industrial Pigment: Acts as an environmentally friendly anti-rust pigment for paints and coatings.

  • Chemical Intermediate: Used in production of other zinc or phosphate-based compounds.

Icon Suggestions: 🏭 factory for industrial applications, 💧 water droplet for water treatment, 🎨 paint palette for coatings


5. Advantages 🌟

  • Environmentally friendly, non-chromate anti-corrosion solution

  • Enhances coating adhesion and durability

  • Stable and easy to handle

  • Versatile applications across multiple industries

Icon Suggestions: ✅ checkmark for advantages, 🌱 eco-friendly leaf


6. Packaging & Storage 📦

  • Packaging: 25 kg, 50 kg, or 500 kg bags; bulk packaging available on request

  • Storage Conditions: Keep in a cool, dry, and ventilated place; avoid moisture and direct sunlight

  • Shelf Life: 12 months in original sealed packaging

Icon Suggestions: 📦 box for packaging, 🏠 warehouse for storage


7. Regulatory Status ⚖️

  • Industrial Use Only: Not approved as a food additive (E No.: N/A)

  • Safety Compliance: Follow local regulations for handling and transportation of inorganic chemicals

  • Environmental Compliance: Non-toxic, environmentally friendly; suitable for eco-conscious coatings and water treatment applications

       Icon Suggestions: ⚖️ balance scale for regulations, 🌍 globe for environmental compliance


8.Why Choose Jiangsu Khonor Chemicals Co., Limited?

✅ Over 10 years of experience in chemical and food ingredient exports

📦 Stable supply capacity and competitive pricing

⚗️ Support for diverse molecular weights and performance requirements

🧪 Samples available for quality testing

📄 Professional documentation: COA, MSDS, TDS, and export compliance

🌐 Strong focus on global B2B markets

🚚 Fast delivery and flexible logistics solutions



9.Ordering Information

💬 For quotations, specifications, samples, or technical support, please contact:

📧 Email: mengling@khonorchem.com

📱 Tel/WhatsApp/WeChat: +86-19851820586

🌏 WhatsApp Link: https://wa.me/8619851820586


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