Calconcarboxylic acid

Synonym(s):

2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic acid, 3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2-carboxylic acid, Patton and Reeder’s reagent

Empirical Formula (Hill Notation):

C₂₁H₁₄N₂O₇S

CAS Number:

3737-95-9

Molecular Weight:

438.41

EC Number:

223-117-0

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H3128

Calconcarboxylic acid, suitable for use as an indicator for the titration of calcium