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Diphenyl ether

Diphenyl ether is the organic compound with the formula (C6H5)2O. The molecule is subject to reactions typical of other phenyl rings, including hydroxylation, nitration, halogenation, sulfonation, and Friedel–Crafts alkylation or acylation. This simple diaryl ether enjoys a variety of niche applications.

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Further Information

Names

Preferred IUPAC name: 1,1′-Oxydibenzene

Other names

Oxydibenzene
Diphenyl ether
Diphenyl oxide
1,1′-Oxybisbenzene
Phenoxybenzene

Identifiers

CAS Number: 101-84-8

JSmol: Interactive image

ChEBI: CHEBI:39258

ChEMBL: ChEMBL38934

ChemSpider: 7302

ECHA InfoCard: 100.002.711

UNII: 3O695R5M1U

Properties

Chemical formula: C12H10O

Molar mass: 170.21 g·mol

Appearance: Colorless solid or liquid

Odor: geranium

Density: 1.08 g/cm (20°C)3

Melting point: 25 to 26 °C (77 to 79 °F; 298 to 299 K)

Boiling point: 121 °C (250 °F; 394 K) at 1.34 kPa (10.05 mm Hg), 258 °C at 100 kPa (1 bar)

Solubility in water: Insoluble

Vapor pressure: 0.02 mmHg (25°C)

Magnetic susceptibility: -108.1·10 cm/mol−63

Hazards

Safety data sheet: Aldrich MSDS

NFPA 704:

Flash point: 115 °C (239 °F; 388 K)

Explosive limits: 0.7%-6.0%

median dose: 3370 mg/kg (rat, oral)
4000 mg/kg (rat, oral)
4000 mg/kg (guinea pig, oral)

NIOSH

PEL: TWA 1 ppm (7 mg/m)3

REL: TWA 1 ppm (7 mg/m)3

IDLH: 100 ppm

Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).

Infobox references