Sodium Polyaspartate

Sodium Polyaspartate

Additional information

Product Name

Sodium Polyaspartate ( Polyaspartic Acid Sodium Salt)

CAS Number

181828-06-8

Appearance

Light yellow powder

Solid Content

≥93.0%

Solubility

Easily soluble in water

Key Properties

Chelating, Dispersing, and Antiscaling Properties

Key Benefits

🌱 Biodegradable & Eco-Friendly
🧪 Chelating & Antiscaling Agent
🌾 Agricultural Enhancement
💧 Water Softening & Industrial Use
💎 Non-toxic & Safe
Moisturizer + film-former + stabilizer in Cosmetics

Product Details

Sodium Polyaspartate (Polyaspartic Acid Sodium Salt) – Eco-Friendly Chelating & Antiscalant Agent

1. Introduction

Sodium Polyaspartate, also known as Polyaspartic Acid Sodium Salt, is a biodegradable, non-toxic polymer derived from aspartic acid. It is widely used in water treatment, agriculture, cosmetics, and industrial formulations due to its excellent chelating, dispersing, and antiscaling properties.

Chibio Biotech supplies high-purity Sodium Polyaspartate (≥93% solid content), suitable for food, agricultural, and industrial applications.


2. Chemical Information

  • CAS Number: 181828-06-8

  • Chemical Formula: (C4H5NO3Na)n

  • Molecular Weight: Variable polymer weight

  • pH (10g/L Solution): 8.5–10.5 (Measured: 9.3)

Solubility

Water – Easily soluble
Ethanol, Oils – Insoluble


3. Technical Specifications

Parameter Specification Result
Appearance Light yellow powder Complies
Solid Content ≥93.0% 96.34%
Loss on Drying ≤7.0% 3.66%
Limiting Viscosity (30℃) 0.050–0.090 dl/g 0.055
pH (10g/l Solution) 8.5–10.5 9.3
Solubility Water-soluble Complies
Grade Food grade Confirmed

4. Key Benefits of Sodium Polyaspartate

🌱 Biodegradable & Eco-Friendly – A green alternative to phosphonates and traditional chelators
🧪 Chelating & Antiscaling Agent – Binds metal ions like calcium and magnesium to prevent scale formation
🌾 Agricultural Enhancement – Improves nutrient absorption and soil conditioning
💧 Water Softening & Industrial Use – Effective in RO membranes, cooling towers, boilers
💎 Non-toxic & Safe – Applicable in food contact, cosmetics, and personal care


5. Applications

Industry Functions Use Cases
Water Treatment Chelating, scale inhibition Boiler, cooling, and RO systems
Agriculture Nutrient carrier, soil conditioner Fertilizer synergists, foliar sprays
Cosmetics & Skincare Moisturizing, binding agent Creams, serums, formulations
Food & Beverage (food-grade) Antiscalant, stabilizer Beverage production systems
Detergents Dispersant, anti-redeposition Laundry and dishwashing formulations

Why Sodium Polyaspartate Is Gaining Popularity in Cosmetics

🌊 Super Hydration Booster

  • Functions similarly to hyaluronic acid, but with improved film-forming and water retention.

  • Helps bind moisture to the skin and enhances elasticity.

🧪 Amino Acid-Based & Biodegradable

  • Derived from aspartic acid, making it biocompatible, non-toxic, and safe for sensitive skin.

  • Ideal for brands targeting eco-conscious and green label consumers.

🛡 Skin Barrier & Anti-Irritation Support

  • Helps form a protective film over the skin to reduce transepidermal water loss (TEWL).

  • Can soothe irritation and support the skin barrier, making it useful in after-sun, sensitive skin, and anti-redness products.

Improves Sensory & Texture

  • Adds a silky-smooth feel to creams and serums.

  • Enhances product spreadability without tackiness.


💼 Why Cosmetic Brands Are Starting to Use It

  • Alternative to Sodium PCA or HA: Provides unique moisturizing power with a different molecular structure.

  • Clean Beauty Compliant: No petrochemicals, safe, and biodegradable.

  • Multifunctionality: Moisturizer + film-former + stabilizer = fewer ingredients, simplified INCI lists.


🔍 Applications in Cosmetics

  • Anti-aging creams

  • Hydrating masks and serums

  • Soothing and sensitive-skin products

  • Sunscreen and after-sun care

  • Eco-friendly skincare lines


📌 Summary:

Sodium Polyaspartate is an emerging and multifunctional active in cosmetics. If your brand wants a clean-label, high-performance moisturizer that aligns with modern consumer trends, this is a strong candidate to consider.


6. Why Choose Chibio Biotech’s Sodium Polyaspartate?

High Solid Content (≥96.34%) – Superior performance in industrial and agricultural applications
Food Grade, Non-toxic, Biodegradable – Suitable for safe, clean-label formulations
GMP-Compliant Production – Ensures consistent quality and regulatory compliance
Flexible Packaging & Bulk Supply – Tailored for large-scale manufacturing and export


7. Why Should Your Business Use Sodium Polyaspartate? 

📈 Tap Into the Green Chemistry Market
Sustainability is a major purchasing driver across industries. Sodium Polyaspartate is 100% biodegradable, non-toxic, and phosphate-free, aligning perfectly with eco-conscious product development in agriculture, water treatment, and personal care.

🔍 Regulatory & Compliance Ready
As a food-grade, non-toxic, and water-soluble polymer, it fits clean-label demands and passes regulatory hurdles for safe use in fertilizers, cosmetics, and water purification systems.

💡 Versatile Across Applications
Whether you’re in fertilizer manufacturing, detergent formulation, cosmetics, or industrial water systems, Sodium Polyaspartate offers multi-functional benefits—chelating, dispersing, antiscaling, stabilizing—all in one ingredient, reducing your formulation complexity and cost.

🛡 Safe, Stable & Effective Alternative to Traditional Chelators
Replaces EDTA, NTA, and phosphonates with a more environmentally friendly option—backed by scientific data and proven performance in field and lab tests.

🧪 Test With Confidence – Free Samples Available
We provide:

  • Free or low-cost samples for lab validation

  • Full COA, TDS, and technical support

  • Small MOQ to scale with your business

🎯 Ideal For:

  • Eco-friendly brands

  • Regulatory-compliant manufacturers

  • Clean-label and biodegradable formulators

  • Exporters requiring globally accepted materials


📩 Contact Us for High-Purity Sodium Polyaspartate

Looking for a sustainable and effective chelating solution for your water treatment, agriculture, or cosmetic applications?

📧 Email: sales@chibiotech.com
📞 Phone: +86 532 66983270
🌐 Website: www.chibiotech.com
Power your clean, green formulations with Chibio Biotech’s Sodium Polyaspartate!

Get in touch with us to boost your business

Headquarter

Block B, Vanke Center, No.2 Heilongjiang South Road, Shibei District, Qingdao City, China 266033

Phone

+86 (0)532 66983270

Cellphone / WhatsApp / WeChat

+86 156 6577 2296
+86 133 8100 5417

sales@chibiotech.com

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