Erik

No - I am thinking benzaldehyde.  I have used it to clear supers years ago, 
but found that it tainted honey - you can taste it, and then I read that it 
was carcinogenic.

MSDS here showing 'There is limited evidence that this chemical may act as a 
carcinogen in laboratory animals.'
http://msds.chem.ox.ac.uk/BE/benzaldehyde.html

and is certainly hazardous to handle:
http://www.ilo.org/public/english/protection/safework/cis/products/icsc/dtasht/_icsc01/icsc0102.htm

As far as I can see, it is no longer available from beekeeping equipment 
suppliers in the EU.

Perhaps someone has more info?

Peter


> You are likely thinking benzene ... not benzaldehyde which is a natural 
> cherry or almond flavor.
>
> Erik
>
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