العربية
中文
english
français
Español
FAO Home
Food safety & quality
Food safety and quality
|
share
>
Chemical risks and JECFA
Online Edition: "Specifications for Flavourings"
Online help
About the data
Analytical Methods (Volume 4)
New search
Print
Flavouring
(+/-)-Isobutyl 3-methylthiobutyrate
Synonym(s)
Isobutyl 3-(methylthio)butyrate;2-Methylpropyl 3-(methylthio) butanoate;2-Methylpropyl 3-(methylthio) butyrate
Latest JECFA evaluation
2007 (Session 68)
Status of specification
Full
Information required
Chemical name
2-Methylpropyl 3-(methylthio)butanoate
JECFA number
1677
CAS number
127931-21-9
FEMA number
4150
COE number
FLAVIS number
12.214
Molecular weight
190.31
Chemical formula
C9H18O2S
Physical form/odour
Colourless liquid; Pungent aroma with fruity undertones
Solubility
Soluble in pentane and diethyl ether; slightly soluble in water
Solubility in ethanol
Soluble
Boiling point (°C)
93-96°
Assay min %
97%
Acid value max
Refractive index
1.453-1.469
Specific gravity
0.968-0.972
Other requirements
ID Test
CNMR HNMR IR MS
Spectrum