POLYETHYLENEPOLYPROPYLENE GLYCOL

Chemical Formula:

(C₃H₆O·C₂H₄O)ₓ

CAS Number:

9003-11-6

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POLYETHYLENEPOLYPROPYLENE GLYCOL

Chemical Formula:

(C₃H₆O·C₂H₄O)ₓ

CAS Number:

9003-11-6

This block copolymer combines hydrophilic poly(ethylene glycol) segments with hydrophobic poly(propylene glycol) segments to yield a non-ionic surfactant polymer.

Characteristics

Molar Weight

Variable

Melting Point

57-61 °C

Boiling Point

200 °C

Solubility

Miscible with water

Density

1.095 g/mL at 25 °C

Forms

white, waxy granules or viscous liquid

Odor

odorless

USES AND APPLICATIONS

Key applications

Used as emulsifying agent in pharmaceutical formulations.
Serves as solubilising and stabilising agent in syrups.
Functions as wetting agent in ointments and gels.
Used as binder or coating polymer in tablet manufacture.
Employed as surfactant in industrial coatings and water-treatment formulations.

Industries

Pharmaceutical and drug-delivery industry.
Cosmetic and personal-care formulations.
Polyurethane, coatings and adhesives manufacturing.
Water treatment and cleaning-agent production.
Food & beverage (as stabiliser/emulsifier) in some grades.

Synonyms

Poloxamer 188; Poloxamer 407; PEG/PPG block copolymer; Polyoxyethylene-polyoxypropylene copolymer; PEG-PPG-PEG.

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