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Polypropylene glycol information


Polypropylene glycol
Names
IUPAC name
[specify]
Identifiers
CAS Number
  • 25322-69-4 checkY
  • 106-62-7
ECHA InfoCard 100.105.547 Edit this at Wikidata
UNII
  • 01SEY4236K checkY
CompTox Dashboard (EPA)
  • DTXSID9027863 Edit this at Wikidata
Properties
Chemical formula
C3nH6n+2On+1
Molar mass 58.08n + 18.08 (repeat unit), mass of polymer variable
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Polypropylene glycol or polypropylene oxide is the polymer (or macromolecule) of propylene glycol.[1] Chemically it is a polyether, and, more generally speaking, it's a polyalkylene glycol (PAG) H S Code 3907.2000. The term polypropylene glycol or PPG is reserved for polymer of low- to medium-range molar mass when the nature of the end-group, which is usually a hydroxyl group, still matters. The term "oxide" is used for high-molar-mass polymer when end-groups no longer affect polymer properties. Between 60 and 70% of propylene oxide is converted to polyether polyols by the process called alkoxylation.[2]

  1. ^ "2-(2-Hydroxypropoxy)propan-1-ol". PubChem. U.S. National Library of Medicine. Retrieved 2022-11-14.
  2. ^ Adam N, Avar G, Blankenheim H, Friederichs W, Giersig M, Weigand E, et al. "Polyurethanes". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a21_665.pub2. ISBN 978-3527306732.

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