Chemical Product Library / Reference

Polypropylene glycol

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

Molecular structure for Polypropylene glycol

Chemical identity

English namePolypropylene glycol
English synonymsPPG;Poly(propylene glycol);Polyoxypropylene glycol
Chinese name聚丙二醇
Chinese synonymsPPG;聚氧丙烯;聚丙二醇醚
Chemical categoryPolyether Polyols
CAS No.25322-69-4
EINECS No.Not provided
Molecular formula(C3H6O)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. 400–4000); hydroxyl value according to grade; moisture ≤0.1%; acid value ≤0.1 mg KOH/g

Performance characteristics

Colorless to pale yellow viscous liquid, hydrophobic, good lubricity and defoaming properties

Application scenarios

Polyurethane foam, lubricant, defoamer, hydraulic fluid, surfactant intermediate