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Food safety and quality
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| Flavouring |
2-Methyl-5-isopropylpyrazine |
| Synonym(s) |
2-Methyl-5-isopropyl-1,4-diazine;5-Isopropyl-2-methylpyrazine |
| Latest JECFA evaluation |
2001 (Session 57) |
| Status of specification |
Full |
| Information required |
|
| 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 |
 
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