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Online Edition: "Specifications for Flavourings"
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| Flavouring |
2-Mercapto-3-butanol |
| Synonym(s) |
3-Hydroxy-2-butanethiol
2-Hydroxy-3-butanethiol
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| Latest JECFA evaluation |
2000 (Session 55)
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| Status of specification |
Full |
| Chemical name |
3-Mercapto-2-butanol
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| JECFA number |
546 |
| CAS number |
37887-04-0
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| FEMA number |
3502
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| COE number |
760
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| FLAVIS number |
-
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| Molecular weight |
106.18 |
| Chemical formula |
C4H10OS
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| Physical form/odour |
- |
| Solubility |
insoluble in water; miscible in alcohol and fat |
| Solubility in ethanol |
- |
| Boiling point (°C) |
58-60 (10 mm Hg) |
| Assay min % |
99 |
| Acid value max |
- |
| Refractive index |
1.476-1.485 |
| Specific gravity |
1.010-1.017 |
| Other requirements |
- |
| ID Test |
IR, CNMR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/546-ir.gif
http://www.fao.org/ag/agn/jecfa-flav/img/img/546-cnmr.gif
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