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Online Edition: "Specifications for Flavourings"

Flavouring Dihydroxyacetophenone
Synonym(s) 1-(x,y-Dihydroxyphenyl) ethanone;Dihydroxyphenyl methyl ketone;Dioxyacetophenone
Latest JECFA evaluation 2002 (Session 59)
Status of specification Full
Chemical name Mixture of 1-(x,y-dihydroxyphenyl) ethanones
JECFA number 729
CAS number 28631-86-9
FEMA number 3662
COE number 11884
FLAVIS number
Molecular weight 152.15
Chemical formula C8H8O3
Physical form/odour yellow needles or crystals
Solubility (3,4-isomer) insoluble to slightly soluble in water; (2,5-isomer) slightly soluble in water; (3,5-isomer) soluble in water
Solubility in ethanol moderately soluble
Boiling point (°C) decomposes
Assay min % 96%
Acid value max
Refractive index NA
Specific gravity NA
Other requirements mp: 90° (minimum)
ID Test IR