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Direct Blue 1

Summary

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]

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
  • 2610-05-1 checkY
3D model (JSmol)
  • Interactive image
ChemSpider
  • 4514372 checkY
ECHA InfoCard 100.018.207 Edit this at Wikidata
  • 5359775
UNII
  • 8NN34MAQ6H ☒N
  • DTXSID1025190 Edit this at Wikidata
  • 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+;;;; checkY
    Key: UPKAWFACSJWKND-ZXFFUEEESA-J checkY
  • [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
C34H24N6Na4O16S4
Molar mass 992.804
Appearance Amorphous, fine blue powder.
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Xn[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

References edit

  1. ^ Dye at "Chemical Book"
  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.