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Online Edition: "Specifications for Flavourings"
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| Flavouring |
2-Methyl-1-propanethiol |
| Synonym(s) |
Isobutyl mercaptan
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| Latest JECFA evaluation |
2000 (Session 55)
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| Status of specification |
Full |
| Chemical name |
2-Methyl-1-propanethiol
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| JECFA number |
512 |
| CAS number |
513-44-0
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| FEMA number |
3874
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| COE number |
-
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| FLAVIS number |
-
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| Molecular weight |
90.19 |
| Chemical formula |
C4H10S
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| Physical form/odour |
colourless liquid with cooked vegetable, mustard-like odour |
| Solubility |
soluble in oil and alcohol |
| Solubility in ethanol |
- |
| Boiling point (°C) |
87-89 |
| Assay min % |
97 |
| Acid value max |
- |
| Refractive index |
1.437-1.444 |
| Specific gravity |
0.829-0.836 |
| Other requirements |
- |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/512.gif
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