Food safety and quality
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Flavouring |
1,8-Octanedithiol |
Synonym(s) |
Octamethylene dimercaptan;1,8-Dimercaptooctane |
Latest JECFA evaluation |
1999 (Session 53) |
Status of specification |
Full |
Information required |
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Chemical name |
1,8-Octanedithiol |
JECFA number |
541 |
CAS number |
1191-62-4 |
FEMA number |
3514 |
COE number |
2331 |
FLAVIS number |
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Molecular weight |
178.35 |
Chemical formula |
C8H18S2 |
Physical form/odour |
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Solubility |
insoluble in water; miscible in oil |
Solubility in ethanol |
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Boiling point (°C) |
269-270°; 193° (100 mm Hg) |
Assay min % |
99% (+1% 1,2-dithiacyclodecane as equilibrium mixture) |
Acid value max |
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Refractive index |
1.503-1.504 |
Specific gravity |
0.962 (d20/4) |
Other requirements |
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ID Test |
IR |
Spectrum |
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