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Online Edition: "Specifications for Flavourings"
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| Flavouring |
3-Methylbutanethiol |
| Synonym(s) |
Isoamyl mercaptan
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| Latest JECFA evaluation |
2000 (Session 55)
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| Status of specification |
Full |
| Chemical name |
3-Methyl-1-butanethiol
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| JECFA number |
513 |
| CAS number |
541-31-1
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| FEMA number |
3858
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| COE number |
-
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| FLAVIS number |
-
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| Molecular weight |
104.22 |
| Chemical formula |
C5H12S
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| Physical form/odour |
colourless liquid with odour of onion or glue |
| Solubility |
soluble in oil and alcohol |
| Solubility in ethanol |
- |
| Boiling point (°C) |
118-129.5 |
| Assay min % |
97 |
| Acid value max |
- |
| Refractive index |
1.439-1.447 |
| Specific gravity |
0.831- 0.838 |
| Other requirements |
- |
| ID Test |
IR, MS |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/513-ir.gif
http://www.fao.org/ag/agn/jecfa-flav/img/img/513-ms.gif
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