> > lubrol px is polyoxyethylene 9 lauryl ether. Sigma sell this - cat no. is
> > P9641.
>> I would be surprised if this was from their latest catalogue -- as far as
> I know Lubrol PX is not produced anymore. There are other preparations of
> the main compound in different purities sold by several companies. For
> chemically rather pure (but quite expensive) preparations look for C12E9
> or C12E10.
Surely C12E9 is polyoxyethylene 9 lauryl ether ? :) it's in the 1995 catlogue.
