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Online Edition: "Specifications for Flavourings"

Flavouring Diphenyl ether
Synonym(s) Diphenyl oxide;Phenoxybenzene;Phenyl ether
Latest JECFA evaluation 2003 (Session 61)
Status of specification Full
Chemical name 1,1'-Oxybis-benzene
JECFA number 1255
CAS number 101-84-8
FEMA number 3667
COE number
FLAVIS number 04.035
Molecular weight 170.21
Chemical formula C12H10O
Physical form/odour colourless long crystalline needles or colourless oily liquid, Harsh floral-green, metallic geranium type aroma
Solubility Insoluble in water, soluble in oils
Solubility in ethanol soluble
Boiling point (°C) 259°
Assay min % 99%
Acid value max 0.5
Refractive index 1.578-1.583
Specific gravity 1.071-1.075
Other requirements mp: 26.8°