Buy Alizarin Yellow R (2243-76-7) MF: O2NC6H4N=NC6H3-2-(OH)CO2H | MW: 287.23. Get High Quality Alizarin Yellow R (2243-76-7) from Tristains at Dawnscientific.com
Alizarine Yellow R is a reddish orange to yellow colored powder. It is an 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. It is also known as Mordant Orange 1; Alizarin Yellow R Sodium Salt; 5-(p-Nitrophenylazo)Salicylic Acid Sodium Salt; Sodium p-Nitrobenzeneazosalicylate. It is soluble in water and in ethanol. Its chemical formula is C13H9N3O5.
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Applications
- Alizarin Yellow R is used for coloring many different materials such as textile, leather, plastics, food, and pharmaceuticals and for manufacturing paints and lacquers and for printings purposes.
- In microbiology it is a useful acid-base indicator for nutrient media.
- It is mainly used as a pH indicator.
Benefits
- Azo dye used as a pH indicator.
- Antimicrobial action and resistance to tarnishing.
- Used for spectrophotometric determination of metals such as Fe(III) and Al(III) ( Seleim et al. 2009 )
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