Re: Pyrogallol and Pyrogallic Acid

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alnovo@inwind.it
Date: 05/18/01-12:03:41 AM Z

> Hi,
>
> On Silverprint's catalog of raw chemicals, 50g of Pyrogallol costs £16,10
> while 100g of (Pyro)gallic Acid costs only £10,41 ?????
> http://www.silverprint.co.uk/chem24.html
>
> Can I make a batch of PMK using the cheaper stuff?
>
> Jukka

Be aware! Silverprint's catalogue reports: Pyrogallic acid - see Gallic acid.

Gallic acid is 3,4,5-Trihydroxybenzoic acid, while
Pyrogallic acid is 1,2,3-Trihydroxybenzene

They are two different compounds.

Alberto

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