AZOXYBENZENE

AZOXYBENZENE Basic information

Product Name:	AZOXYBENZENE
Synonyms:	(Z)-diphenyldiazene N-oxide;1,2-Diphenyldiazene 1-oxide;AZOXYBENZENE;Azobenzene, oxide;diphenyldiazene1-oxide;diphenyldiazine1-oxide;Fentoxan;Orde-naryazoxybenzene
CAS:	495-48-7
MF:	C12H10N2O
MW:	198.22
EINECS:	207-802-1
Product Categories:	Pharmaceutical Intermediates
Mol File:	495-48-7.mol

AZOXYBENZENE Chemical Properties

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
InChIKey	GAUZCKBSTZFWCT-YPKPFQOOSA-N
CAS DataBase Reference	495-48-7(CAS DataBase Reference)
EPA Substance Registry System	Azoxybenzene (495-48-7)

Safety Information

Hazard Codes	Xn
Risk Statements	20/22
Safety Statements	28A-28
WGK Germany	1
RTECS	CO4025000
TSCA	Yes
HS Code	29153100
Hazardous Substances Data	495-48-7(Hazardous Substances Data)
Toxicity	LD50 orl-rat: 620 mg/kg AMIHBC 10,61,54

MSDS Information

Provider	Language
ACROS	English
ALFA	English

AZOXYBENZENE Usage And Synthesis

Chemical Properties	ORANGE-YELLOW TO ORANGE CRYSTALS
Uses	Fenazox is used in the synthetic preparation of amides via reductive amidation of esters, which is used in the synthesis of bio-active molecules and natural products.
Uses	Intermediate in organic synthesis.
Definition	ChEBI: Azoxybenzene is an azoxy compound.
General Description	Bright yellow crystals or yellowish-brown solid.
Air & Water Reactions	Dust may form an explosive mixture in air. Insoluble in water.
Reactivity Profile	AZOXYBENZENE 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.
Fire Hazard	Flash point data for AZOXYBENZENE are not available; however, AZOXYBENZENE is probably combustible.
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.
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.]

AZOXYBENZENE Preparation Products And Raw materials

Raw materials	D(+)-Glucose
Preparation Products	Aniline-->Nitrosobenzene-->Phenol, 2-(2-phenyldiazenyl)--->[1,1':2',1''-Terphenyl]-4'-amine-->1,2-Bis(4-pyridylcarbonyl)hydrazine-->Diazene, 1,2-diphenyl-, stereoisomer-->1,2-Diphenylhydrazine-->N-Phenylhydroxylamine-->4-PHENYLAZOPHENOL

4'-(Hydroxymethyl)azoxybenzene-4-carboxylic acid Azoxybenzene-4,4'-dicarbaldehyde 4,4'-Bis(nonyloxy)azoxybenzene 4,4'-Bis(ethoxy)azoxybenzene,Azoxybenzene, 4,4'-diethoxy- Azoxybenzene-4,4'-bis(propenoic acid chloride) Azoxybenzene-3,3'-disulfonic acid Azoxybenzene,3,3’,4,4’-tetrachloro Azoxybenzene-4,4'-bis(propenoic acid ethyl) ester Azoxybenzene, 4,4'-dimethoxy- 3',5-Dichloro-4,4'-bis(isopropylthio)azoxybenzene Azoxybenzene-3,3'-disulfonic acid disodium salt Azoxybenzene-4,4'-dicarboxylic acid dichloride,4,4'-Bis(chlorocarbonyl)azoxybenzene 2,2'-(Azoxybenzene-4,4'-diyl)bis(6-methyl-7-benzothiazolesulfonic acid)disodium salt 4,4'-BIS(PENTYLOXY)AZOXYBENZENE,4,4'-Bis(amyloxy)azoxybenzene azoxybenzene,4,4’-bis(dodecoxy) liquid crystal copolymer with azoxybenzene mesogens in main chain Azoxybenzene-3,3'-dicarboxylic acid Azoxybenzene-4,4'-dicarboxylic acid

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