|
Online Edition: "Specifications for Flavourings"
|
|
|
|
New search
print-friendly version
| Flavouring |
2-Methyl-5-isopropylpyrazine |
| Synonym(s) |
5-Isopropyl-2-methylpyrazine
2-Methyl-5-isopropyl-1,4-diazine
|
| Latest JECFA evaluation |
2001 (Session 57)
|
| Status of specification |
Full |
| Chemical name |
2-Isopopyl-5-methypyrazine
|
| JECFA number |
772 |
| CAS number |
13925-05-8
|
| FEMA number |
3554
|
| COE number |
2268
|
| FLAVIS number |
-
|
| Molecular weight |
136.2 |
| Chemical formula |
C8H12N2
|
| Physical form/odour |
colourless to slightly yellow liquid with a roasted, coffee, nutty, earthy odour |
| Solubility |
soluble in water, soluble in oils, organic solvents |
| Solubility in ethanol |
miscible at room temperature |
| Boiling point (°C) |
190 |
| Assay min % |
97 |
| Acid value max |
- |
| Refractive index |
1.492-1.498 |
| Specific gravity |
0.977-0.984 |
| Other requirements |
- |
| ID Test |
NMR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/772.gif
|
|
