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Online Edition: "Specifications for Flavourings"
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| Flavouring |
Dihydroxyacetophenone |
| Synonym(s) |
Dihydroxyphenyl methyl ketone
1-(x,y-Dihydroxyphenyl) ethanone
Dioxyacetophenone
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| Latest JECFA evaluation |
2002 (Session 59)
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| Status of specification |
Full |
| Chemical name |
Mixture of 1-(x,y-dihydroxyphenyl) ethanones
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| JECFA number |
729 |
| CAS number |
28631-86-9
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| FEMA number |
3662
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| COE number |
11884
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| FLAVIS number |
-
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| Molecular weight |
152.15 |
| Chemical formula |
C8H8O3
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| 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 |
- |
| Specific gravity |
- |
| Other requirements |
mp: 90° (minimum) |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/729.gif
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