How to synthesize 4-sulfopthalic acid from phthalic acid at lab scale

Dileep Kumar @Dileep-Kumar-31

17 February 2016 1 6K Report

Dear all,

I want to synthesize sulfophthalic acid from Phthalic acid so i need a scheme of reaction to carryout this synthesis

Americo Lemos

concentrated H2SO4 (with SO3) heat and phthalic anhidride

phthalic anhidride + chlorosulphonic acid

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Science method

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