Chemical Product Library / Reference

Polyethylene glycol

Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.

Molecular structure for Polyethylene glycol

Chemical identity

English namePolyethylene glycol
English synonymsPEG;Poly(ethylene glycol);Polyoxyethylene
Chinese name聚乙二醇
Chinese synonymsPEG;聚氧乙烯;聚乙二醇醚
Chemical categoryPolyether Polyols
CAS No.25322-68-3
EINECS No.Not provided
Molecular formula(C2H4O)nH2O
Molecular weightNot provided
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.

Technical indicators

Average molecular weight according to grade (e.g. 200–20000); hydroxyl value according to grade; moisture ≤0.5%; pH (5% aqueous solution) 4.5–7.5

Performance characteristics

Colorless to white waxy solid or liquid, soluble in water and many organic solvents, good lubricity and moisture retention

Application scenarios

Pharmaceutical excipient, cosmetic base, lubricant, textile auxiliary, ceramic binder, water treatment