Food safety and quality: details

Flavouring	Ethyl 2-Mercapto-2-methylpropionate
Synonym(s)	Ethyl 2-mercaptopropionate
Latest JECFA evaluation	2012 (Session 76)
Status of specification	Full
Information required	-
Chemical name	Ethyl 2-methyl-2-sulfanylpropanoate
JECFA number	2085
CAS number	33441-50-8
FEMA number	4714
COE number	-
FLAVIS number	-
Molecular weight	148.22
Chemical formula	C₆H₁₂O₂S
Physical form/odour	Clear to pale yellow liquid; Meaty fruity aroma upon dilution
Solubility	Very sparingly soluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	186-187°
Assay min %	95%
Acid value max	-
Refractive index	1.424-1.464
Specific gravity	1.020-1.023
Other requirements	-
ID Test	MS IR HNMR
Spectrum