CAS: 8003-69-8 - 2-Naphthalenesulfonic acid, 6-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3-[2-[4-[2-[4-amino-6(or 7)-sulfo-1-naphthalenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-, sodium salt (1:3)

Formula: C₃₆H₂₆N₈O₁₁S₃·3Na

InChI: InChI=1/C36H26N8O11S3.3Na/c37-20-3-1-18-13-31(57(50,51)52)33(35(45)26(18)15-20)44-41-23-4-2-19-14-32(58(53,54)55)34(36(46)27(19)16-23)43-40-22-7-5-21(6-8-22)39-42-30-12-11-29(38)25-10-9-24(17-28(25)30)56(47,48)49;;;/h1-17,45-46H,37-38H2,(H,47,48,49)(H,50,51,52)(H,53,54,55);;;/q;3*+1/p-3/b42-39-,43-40+,44-41-;;;

Synonyms:

• 2-Naphthalenesulfonic acid, 6-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-3-[[4-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]phenyl]azo]-4-hydroxy-, trisodium salt
• 2-Naphthalenesulfonic acid, 6-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3-[2-[4-[2-[4-amino-6(or 7)-sulfo-1-naphthalenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-, sodium salt (1:3)
• Direct Black OB
• Phenazo Black OB
• trisodium 5-amino-8-[(E)-{4-[(2Z)-2-{7-[(2Z)-2-(7-amino-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene)hydrazinyl]-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene}hydrazinyl]phenyl}diazenyl]naphthalene-2-sulfonate
• trisodium 6-amino-3-[(Z)-{7-[(E)-{4-[(Z)-(4-amino-7-sulfonatonaphthalen-1-yl)diazenyl]phenyl}diazenyl]-8-hydroxy-6-sulfonatonaphthalen-2-yl}diazenyl]-4-hydroxynaphthalene-2-sulfonate
• C.I. 31600
• C.I. Direct Black 80
• C.I. Direct Black 80

C.I. Direct black 80

CAS: 8003-69-8

Please enquire for more information about C.I. Direct black 80 including the price, delivery time …

• Formula: C₃₆H₂₃N₈Na₃O₁₁S₃
• Molecular weight: 908.78 g/mol

Direct black 80

CAS: 8003-69-8

Direct black 80 is a synthetic, insoluble, kinetic pigment. It has been used as a …

• Formula: C₃₆H₂₃N₈O₁₁S₃·3Na
• Purity: Min. 95%
• Color and Shape: Brown Powder
• Molecular weight: 908.78 g/mol