Polyglutamic Acid Cas 25513-46-6
CAS Number: 25513-46-6
Chemical Name: Poly(γ-glutamic acid)
Molecular Formula: (C₅H₇NO₄)n
Appearance: Off-white to light yellow powder
Solubility: Water-soluble
Origin: Naturally fermented from Bacillus subtilis using glutamic acid
🔬 Chemical Composition & Properties
Property Description
Molecular Weight 100 kDa – 2,000 kDa (varies by grade)
pH Range (1% sol.)： 5.0–7.0
Solubility： Completely water-soluble
Biodegradability ：Fully biodegradable & non-toxic
Type ：Anionic polypeptide
Transportation packaging: 25/barrel
Certification: ISO9001/Halal/Kosher
Description
Summary
Polyglutamic Acid (CAS 25513-46-6) is a versatile, natural biopolymer known for its superior moisture-retention, skin-friendly profile, and biodegradability. Widely used in cosmetics, functional foods, and biomedical applications, it is a valuable ingredient for sustainable and effective formulations.
Product Specifications
| Parameter | Specification |
|---|---|
| Appearance | White/light yellow powder |
| Purity | ≥ 98% (by dry weight) |
| Moisture Content | ≤ 10% |
| pH (1% solution) | 5.0 – 7.0 |
| Molecular Weight Range | 500–2,000 kDa (customizable) |
| Heavy Metals | <10 ppm |
| Microbial Count | <100 CFU/g |
Functions
🌿 Skincare & Cosmetics
Deep moisturization (stronger than hyaluronic acid)
Improves skin texture and elasticity
Inhibits melanin formation → brightening effect
Enhances skin absorption of other active ingredients
Forms a protective film to lock in moisture
🥗 Food & Nutrition
Natural thickener, stabilizer, and preservative
Enhances texture and shelf life
Edible form used in Japanese natto
🧪 Biomedical & Industrial
Drug delivery carrier
Biodegradable hydrogel material
Heavy metal chelation and water treatment
Product Application：
| Industry | Usage |
|---|---|
| Cosmetics | Serums, moisturizers, facial masks |
| Personal Care | Hair conditioners, hand creams |
| Food | Food coatings, water-retaining agent |
| Medical | Drug carriers, wound healing materials |
| Agriculture | Soil conditioner (improves water retention) |
OEM/ODM Service
Greennee offers comprehensive OEM and ODM services to meet your specific needs. We can assist with:
● Private Labeling: Package our products under your own brand name.
● Packaging Design: Create attractive and informative packaging solutions.
Product Packaging and Logistics
Our standard packaging is food-grade sealed bags to ensure product freshness and safety during transportation. We offer various packaging sizes to accommodate different order quantities. We also provide customized packaging options to meet your specific branding and marketing needs. We work with reliable logistics partners to ensure timely and efficient delivery of your orders worldwide.
Storage Situation
Stored in a cool and dry well-closed container, keep away from moisture and strong light / heat.
Shelf Life
two years under well Storage situation and stored away from direct sun light.
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