Food safety and quality
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Flavouring |
4-Mercapto-3-methyl-2-butanol |
Synonym(s) |
4-Thio-3-methyl-2-butanol;3-Methyl-4-sulfanyl-2- butanol |
Latest JECFA evaluation |
2012 (Session 76) |
Status of specification |
Full |
Information required |
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Chemical name |
3-Methyl-4-sulfanyl-butan-2-ol |
JECFA number |
2084 |
CAS number |
33959-27-2 |
FEMA number |
4698 |
COE number |
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FLAVIS number |
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Molecular weight |
120.21 |
Chemical formula |
C5H12OS |
Physical form/odour |
Clear to pale yellow liquid; Fruity meaty savoury aroma upon dilution |
Solubility |
Soluble in water |
Solubility in ethanol |
Soluble |
Boiling point (°C) |
189-191° |
Assay min % |
95% |
Acid value max |
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Refractive index |
1.470-1.474 |
Specific gravity |
0.968-0.980 |
Other requirements |
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ID Test |
IR HNMR |
Spectrum |
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