Direct Blue 1

Direct Blue 1
Names
	IUPAC name tetrasodium (6E)-4-amino-6-[[4-[4-[N′-(8-amino-1-oxo-5,7-disulfonato-2-naphthylidene)hydrazino]-3-methoxy-phenyl]-2-methoxy-phenyl]hydrazono]-5-oxo-naphthalene-1,3-disulfonate
	Other names Airedale Blue FFD, Amanil Sky Blue 6B, Amanil Sky Blue FF, Atlantic Resin Fast Blue
Identifiers
CAS Number	2610-05-1 ;
3D model (JSmol)	Interactive image;
ChemSpider	4514372 ;
ECHA InfoCard	100.018.207
PubChem CID	5359775;
UNII	8NN34MAQ6H ;
CompTox Dashboard (EPA)	DTXSID1025190 ;
	InChI InChI=1S/C34H28N6O16S4.4Na/c1-55-23-11-15(3-7-19(23)37-39-21-9-5-17-25(57(43,44)45)13-27(59(49,50)51)31(35)29(17)33(21)41)16-4-8-20(24(12-16)56-2)38-40-22-10-6-18-26(58(46,47)48)14-28(60(52,53)54)32(36)30(18)34(22)42;;;;/h3-14,37-38H,35-36H2,1-2H3,(H,43,44,45)(H,46,47,48)(H,49,50,51)(H,52,53,54);;;;/q;4*+1/p-4/b39-21-,40-22+;;;; Key: UPKAWFACSJWKND-ZXFFUEEESA-J ;
	SMILES [Na+].[Na+].[Na+].[Na+].[O-]S(=O)(=O)c6c5\C=C/C(=N/Nc1ccc(cc1OC)c2ccc(c(OC)c2)N/N=C4\C=C/c3c(cc(c(N)c3C4=O)S([O-])(=O)=O)S([O-])(=O)=O)C(=O)c5c(N)c(c6)S([O-])(=O)=O;
Properties
Chemical formula	C34H24N6Na4O16S4
Molar mass	992.804
Appearance	Amorphous, fine blue powder.
Hazards
Main hazards	Xn
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	(what is ?)
	Infobox references

Direct Blue 1 is an organic compound that is one of many azo dyes. This salt is used as a substantive dye for textiles with high contents of cellulose, i.e. cotton. It is prepared by the azo coupling of the aminonaphthalene and diazotized derivative of o-dianisidine.^[2]

References[]

^ Dye at "Chemical Book"
^ Klaus Hunger, Peter Mischke, Wolfgang Rieper, Roderich Raue, Klaus Kunde, Aloys Engel: "Azo Dyes" in Ullmann’s Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH, Weinheim.doi:10.1002/14356007.a03_245.

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[1] Dye at "Chemical Book"

[Azodye-2] Klaus Hunger, Peter Mischke, Wolfgang Rieper, Roderich Raue, Klaus Kunde, Aloys Engel: "Azo Dyes" in Ullmann’s Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH, Weinheim.doi:10.1002/14356007.a03_245.

[1]

[2]