Methyl orange/ Sodium 4-{[4-(dimethylamino)phenyl]diazenyl}benzene-1-sulfonate/ Sodium 4-[(4-dimethylamino)phenylazo]benzenesulfonate

Description

A pH indicator frequently used in titration because of its clear and distinct color variance at different pH values, it shows red color in acidic medium and yellow color in basic medium.

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