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Food safety and quality
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| Flavouring |
Dihydroxyacetophenone |
| Synonym(s) |
1-(x,y-Dihydroxyphenyl) ethanone;Dihydroxyphenyl methyl ketone;Dioxyacetophenone |
| Latest JECFA evaluation |
2002 (Session 59) |
| Status of specification |
Full |
| Information required |
|
| 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 |
| Spectrum |
 
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