Alizarine Yellow R
(Redirected from Alizarin Yellow R)
Template:Chembox Template:PH indicator template Alizarine Yellow R is a yellow colored azo dye made by the diazo coupling reaction. It is usually commercially available as a sodium salt. In its pure form, it is a rust-colored solid.[1] It is mainly used as a pH indicator.
Preparation
Alizarine Yellow R is produced by azo coupling of salicylic acid and diazonium derivative of 4-Nitroaniline
Synthesis of Alizarine Yellow R
References
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