Chromotropic acidChromotropic acid is an organic compound with the chemical formula (HO)2C10H4(SO3H)2. Its name is derived from the two ancient Greek words χρωμός (chromos, color) and τροπέιν or τρέπω (verb: tropein, trepo, changing, turning), meaning it changes of color when reacting with some other compounds. Read from the Chembox of the Wikipedia article Chromotropic acid, revision 1379991203.

Property

Value

Formula

C10H8O8S2, 320.30 g/mol

pKa

15.6

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