1,4-Diamino-2,3-dihydroanthraquinone

1,4-Diamino-2,3-dihydroanthraquinone

Names
IUPAC name 1,4-Diaminoanthracene-9,10-dione
Other names Solvent violet 47
Identifiers
CAS Number	81-63-0
ChemSpider	4511053
Jmol interactive 3D	Image
PubChem	5354979
InChI InChI=1S/C14H12N2O2/c15-9-5-6-10(16)12-11(9)13(17)7-3-1-2-4-8(7)14(12)18/h1-4H,5-6,15-16H2 Key: SSGALQHXKMAJTL-UHFFFAOYSA-N
SMILES O=C/2c1ccccc1C(=O)C=3/C\2=C(/N)CCC=3N
Properties
Chemical formula	C14H12N2O2
Molar mass	240.26 g·mol^−1
Appearance	Dark greenish to brownish powder
Density	1.4 g/cm^3
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)
Solubility in water	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

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

References

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