Food safety and quality
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Flavouring |
Butyl propyl disulfide |
Synonym(s) |
4,5-Dithianonane;1-Propyldisulfanylbutane |
Latest JECFA evaluation |
2010 (Session 73) |
Status of specification |
Full |
Information required |
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Chemical name |
1-butyl-2-propyldisulfane |
JECFA number |
1932 |
CAS number |
72437-64-0 |
FEMA number |
4577 |
COE number |
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FLAVIS number |
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Molecular weight |
164.33 |
Chemical formula |
C7H16S2 |
Physical form/odour |
Clear colourless to pale yellow liquid; Sulphureous aroma |
Solubility |
Practically insoluble or insoluble in water |
Solubility in ethanol |
Soluble |
Boiling point (°C) |
89-90° (10 mm Hg) |
Assay min % |
51% |
Acid value max |
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Refractive index |
1.490-1.500 |
Specific gravity |
0.945-0.955 (20°) |
Other requirements |
SC: 24-25% Dipropyl disulfide; 23-24% Dibutyl disulfide |
ID Test |
MS |
Spectrum |
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