Direct Blue 1
Appearance
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Names | |
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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
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Other names
Airedale Blue FFD,
Amanil Sky Blue 6B, Amanil Sky Blue FF, Atlantic Resin Fast Blue | |
Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.018.207 |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C34H24N6Na4O16S4 | |
Molar mass | 992.804 |
Appearance | Amorphous, fine blue powder. |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards
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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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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.