Description

γ-Pga CAS NO 208106-41-6 is a high-purity, biologically derived form of poly-γ-glutamic acid, a versatile and biodegradable polymer. This compound is valued for its exceptional water solubility, film-forming capabilities, and non-toxic nature, making it a critical functional ingredient across advanced industries. It is primarily sought after by manufacturers in the cosmetics, pharmaceuticals, agriculture, and food sectors for its ability to enhance product performance and sustainability profiles.

Application

• Cosmetic & Skincare Formulations: Acts as a powerful humectant, moisturizer, and film-forming agent in serums, creams, and masks to improve skin hydration and texture.
• Pharmaceutical & Biomedical: Used in drug delivery systems as a biocompatible carrier for controlled release and in tissue engineering scaffolds.
• Agricultural Technology: Serves as a superabsorbent polymer in water retention agents for soil and as a seed coating to improve germination and stress resistance.
• Food Industry: Functions as a thickener, stabilizer, and dietary fiber supplement in various food products.
• Environmental & Wastewater Treatment: Employed as a natural flocculant for heavy metal ion removal and water purification processes.
• Industrial Applications: Used in the production of biodegradable plastics, fibers, and as a dispersant in various manufacturing processes.

Basic Information

Product Name	γ-Pga
CAS No.	208106-41-6
Molecular Formula	(C5H7NO3)n
Molecular Weight	Variable (Polymer)
Synonyms	Poly-γ-glutamic acid; γ-PGA; γ-Polyglutamic Acid; Poly(glutamic acid); PGA; Glutamic acid homopolymer; Natto gum; 2-Pyrrolidone-5-carboxylic acid polymer; (S)-5-Oxo-2-pyrrolidinecarboxylic acid polymer
EINECS	Contact for details

Quality Control

Our γ-Pga is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, molecular weight distribution, and microbiological limits. Certificates of Analysis (COA) documenting these results are available for every shipment. We can supply grades suitable for cosmetic, food, and pharmaceutical applications, with compliance support for relevant frameworks.

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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which can affect product quality and flow properties.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (γ-PGA Content)	≥ 95.0%
pH (1% Solution)	5.0 - 7.0
Loss on Drying	≤ 8.0%
Residue on Ignition (Ash)	≤ 1.0%
Heavy Metals (as Pb)	≤ 10 ppm
Total Plate Count	≤ 1000 CFU/g
Molecular Weight (Average)	Contact for details (Various grades available)

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