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Food safety and quality
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| |
| Flavouring |
2,3,5,6-Tetramethylpyrazine |
| Synonym(s) |
Tetramethyl-1,4-diazine |
| Latest JECFA evaluation |
2001 (Session 57) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
Tetramethylpyrazine |
| JECFA number |
780 |
| CAS number |
1124-11-4 |
| FEMA number |
3237 |
| COE number |
734 |
| FLAVIS number |
|
| Molecular weight |
136.2 |
| Chemical formula |
C8H12N2 |
| Physical form/odour |
white crystals or powder with a musty, fermented, coffee odour |
| Solubility |
slightly soluble in water; soluble in oils, propylene glycol, organic solvents |
| Solubility in ethanol |
very soluble |
| Boiling point (°C) |
190° |
| Assay min % |
95% |
| Acid value max |
|
| Refractive index |
NA |
| Specific gravity |
NA |
| Other requirements |
mp: 85-90° |
| ID Test |
IR |
| Spectrum |
 
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