Req: Please identify this substance !

[Simon Cross]

Surely Mass Spec. just gives you a number for molecular weight - this
compound would have a high molecular weight and could probably be any number
of things, what makes you sure it's this diester?

Simon

davedonuts wrote:

> Hi
> I'm an anesthetist from the UK. Following a problem with a piece of
> apparatus attatched to the patient's breathing system, I took a sample
> and got the hospital lab to run it through a mass spectrometer to check
> for contaminants. A peak was found of:
>
> 1,2 Benzenedicarboxylic Acid, diisooctyl ester
>
> I can't find any information about this substance. I suspect it may be a
> component of:
> a) lung surfactant or
> b) mucus from the patients lungs
>
> Could I be correct ?
>
> I'd be very grateful if you could e mail me
> <davedonuts at ntlworld.com> with any information regarding this compound.
>
> Many thanks in anticipation
>
> David Williams FRCA