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Disperse Red 9

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Disperse Red 9
Structural formula of Disperse Red 9
Ball-and-stick model of the disperse Red 9 molecule
Names
Preferred IUPAC name 1-(Methylamino)anthracene-9,10-dione
Other names 1-(Methylamino)anthraquinone
Solvent Red 111
C.I. 60505 (Colour index numbers)
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.001.289 Edit this at Wikidata
EC Number
  • 201-417-2
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C23H17F5N2O2/c24-18-8-4-14(5-9-18)21(16-2-1-3-17(12-16)23(26,27)28)30-20(31)13-29-22(32)15-6-10-19(25)11-7-15/h1-12,21H,13H2,(H,29,32)(H,30,31)Key: IBTKYOKOEIBAOJ-UHFFFAOYSA-N
SMILES
  • O=C2c1ccccc1C(=O)c3c2cccc3NC
Properties
Chemical formula C15H11NO2
Molar mass 237.258 g·mol
Appearance red powder
Melting point 170 to 172 °C (338 to 342 °F; 443 to 445 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

Disperse Red 9, or 1-(methylamino)anthraquinone, is a red dye derived from anthraquinone. Disperse Red 9 is used in some older red and violet-red colored smoke formulations. It is used in the M18 colored smoke grenade and also often in dye packs. Its smoke-producing properties can be improved by coating the dye particles with an inert material, e.g. an epoxy resin.

References

  1. "Coating of granulated organic dyes with an epoxy". Archived from the original on 18 February 2007. Retrieved 22 October 2013.


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