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Topic: m-phenoxy benzaldehyde acidity  (Read 2362 times)

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Offline vkcmzn

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m-phenoxy benzaldehyde acidity
« on: February 13, 2011, 05:33:57 AM »
Hi, please help.
m-phenoxybenzaldehyde on storage oxidized to m-phenoxybenzoic acid. Thus acidity exceeds its limit (0.3% as m-phenoxybenzoic acid). I have tried hydroquinone, it worked but color become pale which is not desirable.
Please suggest a better antioxidant/stabilizer.
Thanks! 
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Offline vkcmzn

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Which Antioxidant will check Acidity of 3-phenoxybenzaldehyde
« Reply #1 on: February 13, 2011, 11:23:23 AM »
Quote from: vkcmzn on February 13, 2011, 05:33:57 AM
Hi, please help.
m-phenoxybenzaldehyde on storage oxidized to m-phenoxybenzoic acid. Thus acidity exceeds its limit (0.3% as m-phenoxybenzoic acid). I have tried hydroquinone, it worked but color become pale which is not desirable.
Please suggest a better antioxidant/stabilizer.
Thanks! 

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