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Online Edition: "Specifications for Flavourings"


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Flavouring 2-Mercaptoanisole
Synonym(s) o-Methioxythiophenol
o-Methoxybenzenethiol
2-Methoxythiophenol
Thioguaiacol
Latest JECFA evaluation 2007 (Session 68)
Status of specification Full
Chemical name 2-Methoxybenzene-1-thiol
JECFA number 1666
CAS number 7217-59-6  
FEMA number 4159
COE number 11880
FLAVIS number 12.139  
Molecular weight 140.21 
Chemical formula C7H8OS  
Physical form/odour Colourless to yellowish liquid; Pungent, onion aroma 
Solubility Practically insoluble or insoluble in water 
Solubility in ethanol Soluble 
Boiling point (°C) 225-228°
Assay min % 95%
Acid value max -
Refractive index 1.589-1.595
Specific gravity 1.137-1.149
Other requirements -
ID Test CNMR HNMR IR MS
Spectrum http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1666-cnmr.gif
http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1666-hnmr.gif
http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1666-ir.gif
http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1666-ms.gif



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