Direct Yellow 4
[CAS 3051-11-4]

Identification

• Classification: Dyes and pigments >> Dyes >> Direct dye
• Name: Direct Yellow 4
• Synonyms: 2,2'-(1,2-ethenediyl)bis[5-[2-(4-hydroxyphenyl)diazenyl]-Benzenesulfonic acid,, sodium salt; Fenamin Yellow 3G; Kayaku Direct Yellow G; Nippon Brilliant Yellow G; Paper Yellow 3GX; Paper Yellow 3GXA
• Molecular Formula: C₂₆H₁₈N₄O₈S₂.₂Na
• Molecular Weight: 624.55
• CAS Registry Number: 3051-11-4
• EC Number: 221-267-1