>From the Sigma Product data sheet:
> Nonidet P40 = Tergitol = Nonylphenol series
C9H19-Ph-O(Ch3CH2O)x-H
I understand x = about 40
> IGEPAL-CA630= Triton X-100 = Octoxynol - 9 (Octylphenol series)
(CH3)3C-CH2-C(CH3)2-Ph-(OCH2CH2)x-OH
where Ph= Phenyl and x= nr ethylene oxide units, i.e. x=9-10
>
> They are all trade names for the same compound.
> ref. Merck Index ed. 10 #6601.
almost all.
