|
Online Edition: "Specifications for Flavourings"
|
|
|
|
New search
print-friendly version
| Flavouring |
Tetrahydro-4-methyl-2-(2-methylpropen-1-yl)pyran |
| Synonym(s) |
2-Isobutenyl-4-methyltetrahydropyran
4-Methyl-2-(2-methyl-1-propenyl)-tetrahydropyran
cis-Rose oxide
Rose oxide
Rosenoxide
Rosoxide
|
| Latest JECFA evaluation |
2003 (Session 61)
|
| Status of specification |
Full |
| Chemical name |
Tetrahydro-4-methyl-2-(2-methyl-1-propenyl)-2H-pyran
|
| JECFA number |
1237 |
| CAS number |
16409-43-1
|
| FEMA number |
3236
|
| COE number |
-
|
| FLAVIS number |
13.170
|
| Molecular weight |
154.25 |
| Chemical formula |
C10H18O
|
| Physical form/odour |
colourless mobile liquid, powerful, distinctive geranium top note |
| Solubility |
Slightly soluble in water; soluble in oils |
| Solubility in ethanol |
soluble |
| Boiling point (°C) |
182° |
| Assay min % |
99 |
| Acid value max |
1 |
| Refractive index |
1.453-1.457 |
| Specific gravity |
0.873-0.877 |
| Other requirements |
- |
| ID Test |
NMR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/1237.gif
|
|
