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Online Edition: "Specifications for Flavourings"
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| Flavouring |
2,3,5,6-Tetramethylpyrazine |
| Synonym(s) |
Tetramethyl-1,4-diazine
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| Latest JECFA evaluation |
2001 (Session 57)
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| Status of specification |
Full |
| Chemical name |
Tetramethylpyrazine
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| JECFA number |
780 |
| CAS number |
1124-11-4
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| FEMA number |
3237
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| COE number |
734
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| FLAVIS number |
-
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| Molecular weight |
136.2 |
| Chemical formula |
C8H12N2
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| 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 |
- |
| Specific gravity |
- |
| Other requirements |
mp: 85-90° |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/780.gif
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