Poly-L-Glutamic Acid

Basic Information

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CAS Number

25513-46-6

Molecular Formula

C5H8NNaO4

Molecular Weight

169.11 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Amines

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

SMILES

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NC(C(=O)O[Na])CCC(=O)O

InChI

InChI=1S/C5H9NO4.Na/c6-3(5(9)10)1-2-4(7)8;/h3H,1-2,6H2,(H,7,8)(H,9,10);/q;+1/p-1

InChIKey

LPUQAYUQRXPFSQ-UHFFFAOYSA-M

LogP

-1.1948000000000005

Topological Polar Surface Area

89.62000000000002 Å²

Hydrogen Bond Donor/Acceptor

3 / 5

Complexity

145

Synonyms & References

English

poly-γ-glutamic acid
PGA,AquaDip,POLY-L-GLUTAMIC ACID 15'000-50'000 SODIUM SALT
POLY-L-GLUTAMIC ACID 2'000-15'000
POLY-L-GLUTAMIC ACID 50'000-100'000 SODIUM SALT
L-GLU-(L-GLU)N-L-GLU
alpha-l-glutamicacidpolymer
glutamicacidpolymer
l-gamma-polyglutamicacid
l-glutamicacid,homopolymer
G-poly glutamic acid
Poly-L-Glutamic Acid
γ-poly(L-glutamic acid) macromolecule
Polyglutamic acid
Poly-L-glutamic acid sodium salt
gamma-L-Polyglutamic acid
gamma-Poly(L-Glutamic acid)
γ-PGA
γ-Polyglutamic acid
Poly(L-glutamate)
DL-Glutamic acid
2-aminopentanedioic acid
GLUTAMIC ACID
Glutamic acid, DL-
Glutamic acid DL-form
DL-Glu
(+-)-Glutamic acid
Glutaminsaeure
H-DL-Glu-OH
glutamate
2-Aminoglutaric acid
poly(glutamic acid)

MDL Number

MFCD00081868

FAQ

What is Poly-L-Glutamic Acid (CAS: 25513-46-6)?

Poly-L-Glutamic Acid (CAS: 25513-46-6) is a biodegradable, water-soluble polymer composed of repeating L-glutamic acid units. Its chemical formula is (C5H9NO3)n, and it exhibits negative charge due to carboxylic acid groups. It is known for its high viscosity, pH responsiveness, and applications in pharmaceuticals, cosmetics, and food industries.

What are the main uses of Poly-L-Glutamic Acid (CAS: 25513-46-6)?

Poly-L-Glutamic Acid (CAS: 25513-46-6) is widely used in pharmaceuticals as a drug delivery carrier, in cosmetics for skin moisturizing, in food as a natural thickener and flavor enhancer, and in research for biocompatible materials. It also serves as a flocculant in industrial processes and a stabilizer in biotechnology applications.

Is Poly-L-Glutamic Acid (CAS: 25513-46-6) safe?

Poly-L-Glutamic Acid (CAS: 25513-46-6) is generally considered safe when handled properly. It has low toxicity and is approved for use in food and pharmaceuticals by regulatory bodies like the FDA. Precautions include avoiding inhalation of powder and using protective gloves during handling to ensure safety in industrial settings.

How should Poly-L-Glutamic Acid (CAS: 25513-46-6) be stored?

Poly-L-Glutamic Acid (CAS: 25513-46-6) should be stored in a cool, dry place (15-25°C), away from moisture and direct light. Use airtight, dark-colored containers to maintain stability and prevent degradation. Ensure storage in a well-ventilated area and avoid contamination to preserve its chemical integrity.