Food safety and quality
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Flavouring |
bis(Methylthio)methane |
Synonym(s) |
Thioformaldehyde dimethyl acetal;Bis(methyl mercapto) methane;Methylene bis(methyl sulfide);Formaldehyde dimethyl mercaptal;2,4-Dithiapentane;Formaldehyde dimethyl dithioacetal |
Latest JECFA evaluation |
2000 (Session 55) |
Status of specification |
Full |
Information required |
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Chemical name |
Bis(methylthio)methane |
JECFA number |
533 |
CAS number |
1618-26-4 |
FEMA number |
3878 |
COE number |
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FLAVIS number |
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Molecular weight |
108.22 |
Chemical formula |
C3H8S2 |
Physical form/odour |
pale yellow, oily liquid with an odour of fresh mustard |
Solubility |
very slightly soluble in water; soluble in alcohols and oils |
Solubility in ethanol |
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Boiling point (°C) |
193° |
Assay min % |
99% |
Acid value max |
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Refractive index |
1.530-1.538 |
Specific gravity |
0.959-1.059 |
Other requirements |
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ID Test |
IR |
Spectrum |
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