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Aliphatic a-hydroxy sulfonates

Albert Renken
1976
Patent
Abstract

a-Hydroxyalkanesulfonates were prepd. by the addn. of SO2 gas to a soln 0.95-1.0:1 soln. of aldehyde and alkali at such a rate as to maintain a pH of 3.0-4.5. Thus, SO2 was added to a soln. of NaOH and HCHO to give HOCH2SO3Na practically free of ionic impurities. [on SciFinder (R)]

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