Butylene oxide, polypropylene glycol polymer, CAS # 25549-07-9
This graph illustrates the relationship of molecular weight to hydroxyl number and equivalent weight of a diol.
Regulatory Inventory
CAS REGISTRY NUMBER #25549-07-9 NAME : Oxirane, ethyl-, polymer with methyloxirane
DSL Canada Yes
EINECS Europe   No
ENCS Japan   No
ECL Korea   No
AICS Australia No
Other names: 
1,2-Butene oxide-propylene oxide copolymer
1,2-Butene oxide-propylene oxide polymer
1,2-Butylene oxide-propylene oxide polymer
Butane, 1,2-epoxy-, polymer with propylene oxide
Butylene oxide, polypropylene glycol polymer
Butylene oxide-propylene oxide copolymer
Butylene oxide-propylene oxide polymer
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

Last edited on:

July 06, 2006

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