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Chemical compound From Wikipedia, the free encyclopedia
Acenaphthoquinone is a quinone derived from acenaphthene. It is a water-insoluble yellow solid. It is a precursor to some agrichemicals and dyes.[2]
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Names | |
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Preferred IUPAC name
Acenaphthylene-1,2-dione | |
Other names
Acenaphthoquinone (no longer accepted even in general nomenclature[1]) Acenaphthenequinone 1,2-Acenaphthenequinone Acenaphthenedione 1,2-Acenaphthylenedione Acenaphthene-1,2-dione 1,2-Diketoacenaphthene | |
Identifiers | |
3D model (JSmol) |
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3DMet | |
ChEBI | |
ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.001.311 |
EC Number |
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KEGG | |
PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
C12H6O2 | |
Molar mass | 182.178 g·mol−1 |
Appearance | Purple-yellow crystals to brown powder |
Melting point | 257 to 261 °C (495 to 502 °F; 530 to 534 K) |
Insoluble (90.1 mg/L) | |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards |
Irritating |
GHS labelling: | |
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Warning | |
H315, H319, H335 | |
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501 | |
NFPA 704 (fire diamond) | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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The compound is prepared in the laboratory by oxidation of acenaphthene with potassium dichromate.[3] Commercially, oxidation is effected with peroxide. Over-oxidation gives naphthalenedicarboxylic anhydride.[2]
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