العربية
中文
english
français
Español
FAO Home
Food safety & quality
Scientific advice
Calls for data and experts
Microbiological risks and JEMRA
Chemical risks and JECFA
JECFA publications from meetings
Guidelines
Summary reports
Full reports
Toxicological monographs
Other scientific advice
Food safety and quality
|
share
>
Scientific advice
>
Chemical risks and JECFA
Online Edition: "Specifications for Flavourings"
Online help
About the data
Analytical Methods (Volume 4)
New search
Print
Flavouring
3-Methyl-2-butanethiol
Synonym(s)
-
Latest JECFA evaluation
1999 (Session 53)
Status of specification
Full
Information required
-
Chemical name
3-Methyl-2-butanethiol
JECFA number
517
CAS number
2084-18-6
FEMA number
3304
COE number
11510
FLAVIS number
-
Molecular weight
104.22
Chemical formula
C
5
H
1
2
S
Physical form/odour
colourless liquid with repulsive, mercaptan-like odour
Solubility
insoluble in water, miscible with alcohol and ether
Solubility in ethanol
-
Boiling point (°C)
117-118°
Assay min %
99%
Acid value max
-
Refractive index
1.442-1.452
Specific gravity
0.835-0.841
Other requirements
-
ID Test
IR, HNMR, MS
Spectrum