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 Polypropylene glycol-polytetramethylene glycol copolymer, CAS # 25302-85-6
This graph illustrates the relationship of molecular weight to hydroxyl number and equivalent weight of a diol.
Regulatory Inventory
CAS REGISTRY NUMBER #25302-85-6 NAME : Furan, tetrahydro-, polymer with methyloxirane
TSCA USA Yes
DSL Canada NDSL
EINECS Europe   No
ENCS Japan   No
ECL Korea ECL Serial No. KE-33459 Yes
AICS Australia No
Other names: 
Propylene oxide-tetrahydrofuran copolymer, Propylene oxide-tetrahydrofuran polymer, Propylene oxide-tetramethylene oxide polymer, Propylene oxide-THF copolymer 1,4-butanediol ether, Propylene oxide-THF polymer,  Tetrahydrofuran-propylene oxide copolymer
The fact that a compound is not listed under a specific CAS # in a countries inventory does not mean this compound cannot be used, it can be an exempt compound or polymer which does not require listing, or it can be listed in a different category. Ask your supplier.
Commercial Products or generic terms used for products. For manufacturer see Polyether MFCT.
Most manufacturer use either MW or Hydroxyl number as a part of their code to identify products.

Color codes indicates what methods of identification was used.

Molecular weight
Hydroxyl number
. Uncertain
Laprol 1000 Laprol 1102
PF-OP
PPTG 1000 PPTG 2000
Some of these product names might not be commercial anymore, the product names still might be in old formulations

Last edited on:

July 06, 2006

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