Online Edition: "Specifications for Flavourings"

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Flavouring Benzophenone
Synonym(s) Benzoylbenzene
Diphenyl ketone
Phenyl ketone
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name Benzophenone
JECFA number 831
CAS number 119-61-9  
FEMA number 2134
COE number 166
FLAVIS number -
Molecular weight 182.22 
Chemical formula C13H10O  
Physical form/odour white rhombic crystals or flakes with a mild powdery floral odour 
Solubility insoluble in water and glycerol; slightly soluble in propylene glycol; soluble in oils 
Solubility in ethanol very soluble 
Boiling point (°C) 305°
Assay min % 98%
Acid value max -
Refractive index NA
Specific gravity NA
Other requirements mp: 48°
ID Test IR