Disperse Red 9

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
3D model (JSmol)
ECHA InfoCard 100.001.289
EC Number
  • 201-417-2
UNII
  • O=C2c1ccccc1C(=O)c3c2cccc3NC
Properties
C15H11NO2
Molar mass 237.258 g·mol−1
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 [77 °F], 100 kPa).
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Infobox references

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.[1]

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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