Direct Yellow 4

CAS: 3051-11-4

Ref. IN-DA003OJT

Product Information

• Name: Direct Yellow 4
• Synonyms: C.I. Direct Yellow 4, Direct Yellow 4 dye, Direct Yellow 4 dye dipotassium salt, Direct Yellow 4 dye disodium salt, Direct Yellow 4 dye potassium.sodium salt, Direct Yellow 4 dye sodium salt, Direct Yellow 4, Brilliant Yellow C, Fenamin Yellow 3G, C.I. Direct Yellow 4, disodium salt, Tertrodirect Yellow B, Benzo Brilliant Yellow, Brilliant Paper Yellow, Trisulfon Paper Yellow, Kayaku Direct Yellow G, Brilliant Paper Yellow C, Brilliant Paper Yellow P, Diazol Brilliant Yellow N, Direct Brilliant Yellow G, Nippon Brilliant Yellow G, Chlorazol Brilliant Yellow 3G, Calcomine Brilliant Paper Yellow, Diaphtamine Brilliant Fast Yellow 3G, bril-liant yellow, 2-((1E)-2-{4-[(4-hydroxyphenyl)diazenyl]-2-sulfophenyl}vinyl)-5-[(4-hydroxyphe nyl)diazenyl]benzenesulfonic acid, sodium salt, sodium salt, disodium 5-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2-[(E)-2-[4-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2-sulfonatophenyl]ethenyl]benzenesulfonate, Brilliant Yellow (indicator), Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-(2-(4-hydroxyphenyl)diazenyl)-, sodium salt (1:2), Brilliant Yellow, Dye content >=50 %, 4,4'-Bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulfonic acid,sodium salt, Sodium 4,4'-bis(p-hydroxyphenylazo)-2,2'-vinylenedibenzenesulphonate, Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-hydroxyphenyl)azo)-, disodium salt, dipotassium 5-[2-(4-hydroxyphenyl)diazen-1-yl]-2-(2-{4-[2-(4-hydroxyphenyl)diazen-1-yl]-2-sulfonatophenyl}ethenyl)benzenesulfonate, dipotassium 5-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazin-1-yl]-2-(2-{4-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazin-1-yl]-2-sulfonatophenyl}ethenyl)benzenesulfonate, sodium (E)-6,6'-((E)-ethene-1,2-diyl)bis(3-((E)-(4-hydroxyphenyl)diazenyl)benzenesulfonate), 4,4'-bis[ azo]stilbene-2,2'-disulphonicacid,sodiumsalt, Brilliant Yellow, dye content 70%, indicator - 1G 1g, 4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid, sodium salt, Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-hydroxyphenyl)azo)-, sodium salt, Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[(4-hydroxyphenyl)azo]-, sodium salt
• Brand: Indagoo

Chemical properties

• Molecular weight: 624.5527
• Formula: C₂₆H₁₈N₄Na₂O₈S₂
• Purity: 70%
• Color/Form: Solid
• InChI: InChI=1S/C26H20N4O8S2.2Na/c31-23-11-7-19(8-12-23)27-29-21-5-3-17(25(15-21)39(33,34)35)1-2-18-4-6-22(16-26(18)40(36,37)38)30-28-20-9-13-24(32)14-10-20;;/h1-16,31-32H,(H,33,34,35)(H,36,37,38);;/q;2*+1/p-2/b2-1+,29-27?,30-28?
• InChI key: YLDIUICHQPKMNH-ZFEDVODKSA-L