Acenaphthoquinone
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]
| |
 | |
| Names | |
|---|---|
| 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) |
|
| ChEBI | |
| ChEMBL | |
| ChemSpider | |
| ECHA InfoCard | 100.001.311 |
| EC Number |
|
| KEGG | |
PubChem CID |
|
| UNII | |
CompTox Dashboard (EPA) |
|
| |
| |
| 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: | |
 | |
| 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).
| |
Preparation
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]
