indigodisulfonic acid

in·​di·​go·​disulfonic acid

Definition of indigodisulfonic acid 

: a water-soluble disulfonic acid C16H8N2O2(SO3H)2 obtained by treating indigo with concentrated sulfuric acid

called also indigo extract, 5,5′-indigotindisulfonic acid

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History and Etymology for indigodisulfonic acid

indigodisulfonic International Scientific Vocabulary indigo + disulfonic

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