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Flavouring Methylthiomethyl butyrate
Synonym(s) -
Latest JECFA evaluation 2003 (Session 61)
Status of specification Full
Chemical name Methylthiomethyl butyrate
JECFA number 473
CAS number 74758-93-3  
FEMA number 3879
COE number -
FLAVIS number 12.187  
Molecular weight 148.22 
Chemical formula C6H12O2S  
Physical form/odour colourless to pale yellow liquid with metallic fruity odour 
Solubility very slightly soluble in water; soluble in alcohols and oils 
Solubility in ethanol -
Boiling point (°C) 94-96 (15 mm Hg)
Assay min % 97
Acid value max -
Refractive index 1.454-1.464
Specific gravity 0.943-0.948
Other requirements -
ID Test NMR
Spectrum http://www.fao.org/ag/agn/jecfa-flav/img/img/473.gif



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