|
Online Edition: "Specifications for Flavourings"
|
|
|
|
New search
print-friendly version
| Flavouring |
1-Methyl-2,3-cyclohexadione |
| Synonym(s) |
2-Hydroxyisophorone
3,5,5-Trimethyl-1,2-cyclohexanedione
|
| Latest JECFA evaluation |
1998 (Session 51)
|
| Status of specification |
Full |
| Chemical name |
1-Methylcyclohexa-2,3-dione
|
| JECFA number |
425 |
| CAS number |
3008-43-3
|
| FEMA number |
3305
|
| COE number |
2311
|
| FLAVIS number |
-
|
| Molecular weight |
126.16 |
| Chemical formula |
C7H10O2
|
| Physical form/odour |
off white to light yellowish-brown powder with a burnt, sweet odour |
| Solubility |
insoluble in water |
| Solubility in ethanol |
- |
| Boiling point (°C) |
69-72 (1 mm Hg) |
| Assay min % |
98.0 |
| Acid value max |
- |
| Refractive index |
- |
| Specific gravity |
- |
| Other requirements |
Melting range 57-63° |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/425.gif
|
|
