ASDA-Na₄ - Eco-friendly, phosphorus-free biodegradable chelating agent. Ideal replacement for traditional phosphonates and EDTA. Suitable for detergents, water treatment, and personal care products
| Density (20 ° C, g/cm ³) | g/cm3>1.2 |
| pH value | >7 |
| Content (%) | ≥55% |
| appearance | Light yellow clear liquid |
Product Name: Tetrasodium Aspartate Diacetate (ASDA-Na₄)
CAS Number: 34612-80-1
Molecular Formula: C₈H₇NO₈Na₄
Molecular Weight: 309.1 g/mol
Synonyms:
Tetrasodium Aspartic Acid Dicarboxymethyl,
L-Aspartic Acid-N,N-diacetate Tetrasodium Salt,
Tetrasodium L-Aspartic Acid-N,N-diacetic Acid

ASDA-Na₄ is an environmentally friendly, phosphorus-free, biodegradable chelating agent that serves as an ideal replacement for traditional phosphonates, EDTA, and NTA. Widely used in water treatment, soaps, shampoos, detergents, pulp and paper additives, textiles, personal care products, cosmetics, and gypsum/concrete retarders, this product is highly regarded for its exceptional environmental properties and efficient chelation performance.
Environmental Benefits: Phosphorus-free, biodegradable, and environmentally safe
High Chelation Efficiency: Strong binding capacity for Ca²⁺, Mg²⁺, Fe²⁺/³⁺ and other metal ions
Broad Compatibility: Stable under various industrial application conditions
Sustainability: Aligns with green chemistry principles and eco-friendly practices
| Parameter | Specification |
|---|---|
| Appearance | White to light yellow powder |
| Active Content | ≥ 95% |
| Solubility | Readily soluble in water |
| pH (1% Solution) | 10.0-12.0 |
| Heavy Metals | ≤ 10 ppm |
| Loss on Drying | ≤ 5.0% |
Daily Chemicals & Detergents
Soaps/Shampoos: Enhance cleaning efficiency by reducing metal ion interference
Detergents: Prevent cloudiness in liquid products and improve detergency
Industrial Applications
Water Treatment: Scale inhibitor in cooling water systems
Textile Dyeing: Chelate metal ions to stabilize dye color
Construction Industry: Gypsum and concrete retarder
Other Applications
Pulp bleaching additives
Cosmetic preservative stabilizers
Personal care products
Packaging Options: 25kg, 250kg, or 1250kg plastic drums (customizable)
Storage Conditions: Store in a dry, ventilated place away from acids and protected from light
Shelf Life: 24 months (under proper storage conditions)
The product complies with EU REACH regulations and Chinese Green Chemistry standards. It is a sustainable alternative to traditional chelating agents, particularly suitable for environmentally friendly formulations.
[Safety Data Sheet (SDS)]
[Technical Data Sheet (TDS)]
[Environmental Certification]
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Disclaimer: The product information is based on current knowledge and experience and is provided for reference only. We recommend users conduct thorough testing to determine suitability for specific applications.
| Density (20 ° C, g/cm ³) | g/cm3>1.2 |
| pH value | >7 |
| Content (%) | ≥55% |
| appearance | Light yellow clear liquid |