Nonidet P40 and Bradford

[Susanne Rohrer]

>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.