Description

Polyglucuronic Acid is a high-purity, naturally-derived biopolymer composed of glucuronic acid units. This compound is valued for its excellent chelating, moisturizing, and film-forming properties, making it a versatile functional ingredient. It is essential for manufacturers in the cosmetics, pharmaceuticals, and advanced materials sectors seeking natural and effective performance enhancers.

Application

• Cosmetic & Personal Care Formulations: Acts as a superior humectant and skin-conditioning agent in moisturizers, serums, and anti-aging products.
• Pharmaceutical Excipients: Used as a stabilizer, binder, or controlled-release matrix in tablet and capsule formulations.
• Biomedical Materials: Serves as a biocompatible component in hydrogels, wound dressings, and tissue engineering scaffolds.
• Food & Nutraceuticals: Employed as a dietary fiber supplement and a natural texturizing or gelling agent.
• Industrial Chelation: Functions as an environmentally friendly chelating agent for water treatment and metal ion sequestration processes.
• Agricultural Adjuvants: Enhances the efficacy and adhesion of agrochemicals in foliar applications.

Basic Information

Product Name	Polyglucuronic Acid
CAS No.	36655-86-4
Molecular Formula	(C6H8O7)n
Molecular Weight	Variable (Polymer)
Synonyms	Poly(glucuronic acid); Glucuronan; Poly-D-glucuronic acid; (1→4)-α-D-Glucuronan; Alduronic Acid Polymer; Glucuronic Acid Homopolymer; PGA; Polyglycuronan
EINECS	Contact for details

Quality Control

Our Polyglucuronic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, molecular weight distribution, and microbiological limits. A comprehensive Certificate of Analysis (COA) documenting identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (as Glucuronic Acid)	≥ 95.0%
pH (1% Solution)	3.0 - 5.0
Loss on Drying	≤ 10.0%
Residue on Ignition	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Microbiological Total Plate Count	≤ 1000 CFU/g

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