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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 4421615Generated: October 23, 2026

1,4-Diamino-5-nitroanthraquinone

violet2s · c.i.62030 · Violet 2S · C.I. 62030 · CelitonVioletB · DISPERSEVIOLET2 · cellitonvioletb · palanilviolet3b

https://huagongshe.com/en/chemical/4421615

1,4-Diamino-5-nitroanthraquinone molecular structure

Identifiers & Physical Properties

CAS No.82-33-7
Molecular formulaC14H9N3O4
Average molar mass283.24 g/mol
Monoisotopic mass283.05930577 g/mol
SMILESNc1ccc(N)c2c1C(=O)c1cccc([N+](=O)[O-])c1C2=O
InChIKeySDICTISQCKLMEB-UHFFFAOYSA-N
PubChem CID4421615
EC No.201-412-5
DTXSIDDTXSID9058868

Chemical & Physical Properties

XLogP2.4
Topological polar surface area132
Hydrogen bond donors2
Hydrogen bond acceptors6
Rotatable bonds0
Heavy atoms21
Formal charge0
Complexity489
Melting point257 °C
Boiling point425.8°C (rough estimate)
Density1.3126 (rough estimate)
Refractive index1.5700 (estimate)
pKa (acidity coefficient)-0.44±0.20(Predicted)
CAS DataBase Reference82-33-7
FDA UNII184185N98V
EPA Substance Registry System9,10-Anthracenedione, 1,4-diamino-5-nitro- (82-33-7)
TSCA inventory statusTSCA listed

Safety & Regulations

GHS classificationThis chemical does not meet GHS hazard criteria for 100% (2 of 2) of all reports.Not ClassifiedAggregated GHS information provided per 2 reports by companies from 1 notifications to the ECHA C&L Inventory.
Regulatory informationChemical: 9,10-Anthracenedione, 1,4-diamino-5-nitro-9,10-Anthracenedione, 1,4-diamino-5-nitro-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Hazard Classes and CategoriesNot Classified
TSCA inventory statusTSCA listed

Applications & Uses

Uses

Disperse violet 8 is a violet dye commonly used for fiber dyeing.

Preparation & Synthesis

Preparation

1,4-Diamino anthraquinone in oblate sulfuric acid.