1,4-Diamino-2,3-dihydroanthraquinone

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1,4-Diamino-2,3-dihydroanthraquinone
14Diamino23dihydroanthraquinone.svg
Names
IUPAC name
1,4-Diaminoanthracene-9,10-dione
Other names
Solvent violet 47
Identifiers
3D model (Jmol)
ChemSpider
ECHA InfoCard 100.001.244
Properties
C14H12N2O2
Molar mass 240.26 g·mol−1
Appearance Dark greenish to brownish powder
Density 1.4 g/cm3
Melting point 248 to 252 °C (478 to 486 °F; 521 to 525 K)
Boiling point 375.1 °C (707.2 °F; 648.2 K)
Soluble in hot nitrobenzene
Hazards
Main hazards Mutagenic; emits NOx vapors when heated to decomposition.
Flash point 180.7 °C (357.3 °F; 453.8 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

1,4-Diamino-2,3-dihydroanthraquinone is an anthraquinone dye used with Disperse Red 9 in colored smoke to introduce a violet color. It is also used in dyes and marine flares.

Synthesis[edit]

1,4-Diaminoanthraquinone is reacted with sodium dithionite to produce 1,4-diamino-2,3-dihydroanthraquinone.[1]

References[edit]

  1. ^ Heyer, Thomas; Hans-Joachim Niclas, Stephan Dietzel (2010)