Food safety and quality
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Flavouring |
2, 3, or 10-Mercaptopinane |
Synonym(s) |
Pinanethiol;Pinanyl mercaptan |
Latest JECFA evaluation |
2000 (Session 55) |
Status of specification |
Full |
Information required |
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Chemical name |
Mixture of 2,6,6 Trimethyl-bicyclo[3.1.1]heptane-(2, 3 and 10)-thiols |
JECFA number |
520 |
CAS number |
CAS Nos: 23832-18-0, 72361-41-2 and 6588-78-9 |
FEMA number |
3503 |
COE number |
2332 |
FLAVIS number |
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Molecular weight |
170.31 |
Chemical formula |
C10H18S |
Physical form/odour |
sulfurous, tropical fruit, mercaptan odour |
Solubility |
insoluble in water; soluble in alcohol and oils |
Solubility in ethanol |
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Boiling point (°C) |
258-259° |
Assay min % |
95% |
Acid value max |
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Refractive index |
1.511-1.517 |
Specific gravity |
0.980-0.988 |
Other requirements |
Contains approx. 54% 10-isomer, 31% 2-isomer, 10% 3-isomer |
ID Test |
IR |
Spectrum |
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