Sodium Polyglutamate (sodium γ-poly-glutamic acid, γ-PGA)(CAS 28829-38-1)

Compound Information: Sodium Polyglutamate ​Category ​Details ​Name Sodium Polyglutamate ​CAS Number 28829-38-1 ​Synonyms Sodium γ-Polyglutamate; γ-PGA; Natto Gum ​EINECS Number 201-127-6 ​Molecular Formula (C₅H₆NO₃Na)ₙ ​Molecular Weight Variable (700–1500 kDa, depending on polymerization degree) ​Chemical Properties – ​Appearance White crystalline powder or granules – ​Solubility Highly water-soluble; forms viscous solutions – ​pH Stability Stable in neutral to slightly acidic conditions ​Key Applications: ​Supplier Information: ​Supplier ​Details ​Shanghai Yijing Industrial Cosmetic-grade, molecular weights 700–1500 kDa, purity >98% ​Shandong Freda Biotech Pharmaceutical-grade, <10 kDa oligomers for enhanced bioavailability ​Sigma-Aldrich Research-grade, 99% purity, available in 10 g–500 g packages ​China Suppliers: Wuhan Xingzhongcheng, Hubei Hengjingrui Chemical ​Safety & Handling: ​Regulatory Compliance: ​Research Insights: