CAS No.: 6416-66-6 Formula: C29H20ClN3Na2O10S3
Weight: 748.111
Synonyms: Acid Red 249; disodium (3Z)-3-[2-(5-chloro-2-phenoxyphenyl)hydrazinylidene]-5-{[(4-methylphenyl)sulfonyl]amino}-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate; disodium 3-(5-chloro-2-phenoxy-phenyl)azo-4-hydroxy-5-(p-tolylsulfonylamino)naphthalene-2,7-disulfonate;
It is mainly used for dyeing and printing wool, silk and nylon fabrics, and can also be used to manufacture color lakes, inks, leather and paper.