Food safety and quality
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Flavouring |
3-Mercaptohexanal |
Synonym(s) |
Hexanal, 3-mercapto- |
Latest JECFA evaluation |
2010 (Session 73) |
Status of specification |
Full |
Information required |
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Chemical name |
3-mercaptohexanal |
JECFA number |
1929 |
CAS number |
51755-72-7 |
FEMA number |
4585 |
COE number |
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FLAVIS number |
12.250 |
Molecular weight |
132.22 |
Chemical formula |
C6H12OS |
Physical form/odour |
Clear colourless liquid; Sharp penetrating onion-like aroma |
Solubility |
Practically insoluble or insoluble in water |
Solubility in ethanol |
Soluble |
Boiling point (°C) |
41-42° (2 mm Hg) |
Assay min % |
95% |
Acid value max |
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Refractive index |
1.466-1.476 |
Specific gravity |
0.973-0.983 (20°) |
Other requirements |
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ID Test |
MS |
Spectrum |
![](https://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1929-ms.gif)
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