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Flavouring 2-Methylundecanal
Synonym(s) Aldehyde C-12
Methyl n-nonyl acetaldehyde
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name 2-Methylundecenal
JECFA number 275
CAS number 110-41-8  
FEMA number 2749
COE number 2010
FLAVIS number -
Molecular weight 184.32 
Chemical formula C12H24O  
Physical form/odour colourless to slightly yellow liquid with a fatty odour 
Solubility soluble in fixed oils, alcohol, and propylene glycol (solution may be turbid); insoluble in glycerol 
Solubility in ethanol -
Boiling point (°C) 171
Assay min % 97
Acid value max 10
Refractive index 1.431-1.436
Specific gravity 0.822-0.830
Other requirements -
ID Test IR
Spectrum http://www.fao.org/ag/agn/jecfa-flav/img/img/275.gif



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