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1,4 Diamino 2,3 dihydroanthraquinone

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Density  1.4 g/cm³
1,4-Diamino-2,3-dihydroanthraquinone
Appearance  Dark greenish to brownish powder

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

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

References

1,4-Diamino-2,3-dihydroanthraquinone Wikipedia


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