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Topic: Parabens sodium and citric acid compatibility  (Read 1083 times)

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Offline qwerty12345

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Parabens sodium and citric acid compatibility
« on: September 24, 2021, 05:13:53 PM »
Will citric acid react with methylparaben sodium or propylparaben sodium?
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Offline rolnor

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Re: Parabens sodium and citric acid compatibility
« Reply #1 on: September 25, 2021, 03:26:07 AM »
If you compare hydroxymethylbenzoate and citric acid, wich is more acidic?
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Offline qwerty12345

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Re: Parabens sodium and citric acid compatibility
« Reply #2 on: September 26, 2021, 05:11:28 PM »
Parabens sodium are very slightly basic. I read that citric acid is not compatible with parabens sodium. I am wondering whether there is some kind of reaction leading to degradation of parabens.
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Offline rolnor

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Re: Parabens sodium and citric acid compatibility
« Reply #3 on: September 27, 2021, 03:37:06 AM »
You will get precipitation of methyl paraben as free phenol.
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