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Online Edition: "Specifications for Flavourings"
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| Flavouring |
2,5-Dihydroxy-1,4-dithiane |
| Synonym(s) |
p-Diathane-2,5-diol
Mercaptoacetaldehyde dimer
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| Latest JECFA evaluation |
1999 (Session 53)
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| Status of specification |
Full |
| Chemical name |
2,5-Dihydroxy-1,4-dithiane
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| JECFA number |
550 |
| CAS number |
40018-26-6
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| FEMA number |
3826
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| COE number |
-
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| FLAVIS number |
-
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| Molecular weight |
152.23 |
| Chemical formula |
C4H8O2S2
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| Physical form/odour |
white to off-white powder |
| Solubility |
slightly soluble in water; soluble in alcohol |
| Solubility in ethanol |
- |
| Boiling point (°C) |
- |
| Assay min % |
97 |
| Acid value max |
- |
| Refractive index |
- |
| Specific gravity |
- |
| Other requirements |
Melting Pt.: 130° |
| ID Test |
IR, MS |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/550-ir.gif
http://www.fao.org/ag/agn/jecfa-flav/img/img/550-ms.gif
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