Description

Poly-L-Aspartic Acid Sodium Salt is a biodegradable, water-soluble polymer derived from the amino acid aspartic acid. This environmentally friendly compound serves as a highly effective scale and corrosion inhibitor, offering a superior green alternative to traditional phosphonates. It is essential for industries requiring sustainable water treatment solutions, biodegradable dispersants, and high-performance additives for detergents and personal care formulations.

Application

• Water Treatment: Acts as a powerful, non-phosphorous scale inhibitor and dispersant for cooling water, boiler water, and reverse osmosis systems.
• Detergents & Cleaners: Functions as a biodegradable builder and anti-redeposition agent, enhancing cleaning power while reducing environmental impact.
• Personal Care: Used in cosmetics and skincare products as a gentle, biodegradable chelating agent and viscosity modifier.
• Agriculture: Serves as a nutrient absorption enhancer and biodegradable dispersant in fertilizer and pesticide formulations.
• Oilfield Chemicals: Employed as a green scale inhibitor in well stimulation and production processes.
• Textile & Paper Industry: Utilized as a biodegradable dispersant and anti-scalant in dyeing and pulping processes.
• Industrial Cleaning: Effective in metal surface treatment and industrial cleaning formulations for scale prevention.

Basic Information

Product Name	Poly-L-Aspartic Acid Sodium Salt
CAS No.	34345-47-6
Molecular Formula	(C4H4NO4Na)n • xH2O
Molecular Weight	Variable (Polymer)
Synonyms	Poly(aspartic acid) sodium salt; Sodium Polyaspartate; PASP-Na; L-Aspartic acid homopolymer sodium salt; Poly(α-L-aspartic acid), sodium salt; Polyaspartate; 2-Aminosuccinic acid homopolymer sodium salt; Biodegradable polyamino acid
EINECS	Contact for details

Quality Control

Our Poly-L-Aspartic Acid Sodium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency, performance, and compliance with relevant industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, molecular weight distribution, and other critical parameters is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to light yellow powder
Identification (IR)	Conforms
Assay (on dry basis)	≥ 95.0%
pH (1% Solution)	8.0 - 10.0
Loss on Drying	≤ 8.0%
Residue on Ignition (Sulfated Ash)	30.0 - 40.0%
Heavy Metals (as Pb)	≤ 20 ppm
Viscosity (40% Solution)	Contact for details
Average Molecular Weight	1,000 - 10,000 Da (Customizable)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.