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Online Edition: "Specifications for Flavourings"
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| Flavouring |
2-Acetyl-3,(5 or 6)-dimethylpyrazine |
| Synonym(s) |
Mixture of 3-Acetyl-2,5-dimethylpyrazine and 3-Acetyl-2,6-dimethylpyrazine
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| Latest JECFA evaluation |
2001 (Session 57)
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| Status of specification |
Full |
| Chemical name |
2-Acetyl-3,5-dimethylpyrazine and 3-Acetyl-2,5-dimethylpyrazine
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| JECFA number |
786 |
| CAS number |
54300-09-3
54300-08-2
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| FEMA number |
3327
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| COE number |
11294
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| FLAVIS number |
-
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| Molecular weight |
150.18 |
| Chemical formula |
C8H10ON2
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| Physical form/odour |
colourless to pale yellow liquid with a popcorn, roasted hazelnut odour |
| Solubility |
soluble in water, organic solvents, oils |
| Solubility in ethanol |
miscible at room temperature |
| Boiling point (°C) |
70 (7 mm Hg) |
| Assay min % |
97 (sum of isomers) |
| Acid value max |
- |
| Refractive index |
1.510-1.520 |
| Specific gravity |
1.070-1.075 |
| Other requirements |
- |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/786.gif
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