C.I. Direct Blue 2, 2429-73-4, C.I. 22590

Colour Index

Name:	C.I. Direct Blue 2
CAS:	2429-73-4
C.I. No.:	C.I. 22590
Synonyms	C.I. 22590; C.I. Direct Blue 2; C.I. Direct Blue 2 (VAN); C.I. Direct Blue 2, trisodium salt; C.I. Direct Blue 2, trisodium salt (8CI); 5-amino-3-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphthyl)azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-2,7-Naphthalenedisulfonic acid, trisodium salt; airedale black bhd; azomine black bh; benzanil black bh; diamine black; diazine black; diazo black; diazo fast black; diphenyl blue black; direct diazo black; Direct Blue 2; calcomine diazo black; CHLORAZOL BLACK BH; chlorazol leather black bh; chrome leather black; chrome leather dark blue; melantherine bh; pontamine deep blue bh; tertrodirect black; union fast navy blue ds; vondacel dark blue bh; zambesi dark blue bh; trisodium (3Z)-5-amino-3-(2-{4'-[(2Z)-2-(7-amino-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene)hydrazinyl]biphenyl-4-yl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate; (3E)-5-amino-3-(2-{4'-[(2Z)-2-(7-amino-1-oxo-3-sulfo-3,7-dihydronaphthalen-2(1H)-ylidene)hydrazinyl]biphenyl-4-yl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid
Molecular Formula	C₃₂H₂₆N₆O₁₁S₃
Molecular Weight	766.7774
InChI	InChI=1/C32H26N6O11S3/c33-20-6-1-18-12-26(51(44,45)46)29(31(39)24(18)14-20)37-35-21-7-2-16(3-8-21)17-4-9-22(10-5-17)36-38-30-27(52(47,48)49)13-19-11-23(50(41,42)43)15-25(34)28(19)32(30)40/h1-15,20,26,35-36H,33-34H2,(H,41,42,43)(H,44,45,46)(H,47,48,49)/b37-29+,38-30-
CAS Registry Number	2429-73-4
EINECS	219-384-8
Molecular Structure
Density	1.764g/cm³
Refractive index	1.791

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