| Identification | More | [Name]
AZOXYBENZENE | [CAS]
495-48-7 | [Synonyms]
AZOXYBENZENE
FENAZOX
(Z)-diphenyldiazene N-oxide
1,2-Diphenyldiazene 1-oxide
Azobenzene, oxide
azobenzene,oxide
Azossibenzene
Azoxybenzeen
Azoxybenzide
Azoxybenzol
Azoxybenzole
azoxydi-benzen
azoxydibenzene
Benzene, azoxydi-
Diazene, diphenyl-, 1-oxide
Diazene,diphenyl-,1-oxide
diphenyl-diazen1-oxide
diphenyldiazene1-oxide
diphenyldiazine1-oxide
Fentoxan | [EINECS(EC#)]
207-802-1 | [Molecular Formula]
C12H10N2O | [MDL Number]
MFCD00019925 | [Molecular Weight]
198.22 | [MOL File]
495-48-7.mol |
| Chemical Properties | Back Directory | [Appearance]
ORANGE-YELLOW TO ORANGE CRYSTALS | [Melting point ]
32-36 °C | [Boiling point ]
130 °C / 0.9mmHg | [density ]
1.16 | [refractive index ]
1.6330 (estimate) | [storage temp. ]
0-6°C | [form ]
neat | [color ]
Yellow, rhombic crystals | [Merck ]
14,923 | [BRN ]
743984 | [Dielectric constant]
5.1（40℃） | [InChIKey]
GAUZCKBSTZFWCT-YPKPFQOOSA-N | [Uses]
Intermediate in organic synthesis. | [CAS DataBase Reference]
495-48-7(CAS DataBase Reference) | [EPA Substance Registry System]
Azoxybenzene (495-48-7) |
| Safety Data | Back Directory | [Hazard Codes ]
Xn | [Risk Statements ]
R20/22:Harmful by inhalation and if swallowed . | [Safety Statements ]
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) . | [WGK Germany ]
1 | [RTECS ]
CO4025000 | [TSCA ]
Yes | [HS Code ]
29153100 | [Safety Profile]
Poison by
subcutaneous route. Moderately toxic by
ingestion, skin contact, and other routes. A
skin and eye irritant. Mutation data reported.
Combustible. When heated to
decomposition it emits toxic fumes of NOx. | [Hazardous Substances Data]
495-48-7(Hazardous Substances Data) | [Toxicity]
LD50 orl-rat: 620 mg/kg AMIHBC 10,61,54 |
| Hazard Information | Back Directory | [General Description]
Bright yellow crystals or yellowish-brown solid. | [Reactivity Profile]
AZOXYBENZENE(495-48-7) is an azo compound. Azo, diazo, azido compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides. | [Air & Water Reactions]
Dust may form an explosive mixture in air. Insoluble in water. | [Fire Hazard]
Flash point data for this chemical are not available; however, AZOXYBENZENE is probably combustible. | [Chemical Properties]
ORANGE-YELLOW TO ORANGE CRYSTALS | [Definition]
ChEBI: Azoxybenzene is an azoxy compound. | [Purification Methods]
Crystallise azobenzene from EtOH or MeOH, and dry it for 4hours at 25o/10-3mm. Sublime it before use. [Bigelow & Palm Org Synth Coll Vol II 57 1943, Beilstein 16 II 326.] |
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Alfa Aesar
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