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Online Edition: "Specifications for Flavourings"


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Flavouring Theaspirane
Synonym(s) -
Latest JECFA evaluation 2003 (Session 61)
Status of specification Full
Chemical name 2,6,10,10-Tetramethyl-1-oxaspiro[4.5]dec-6-ene
JECFA number 1238
CAS number 36431-72-8  
FEMA number 3774
COE number -
FLAVIS number 13.098  
Molecular weight 194.32 
Chemical formula C13H22O  
Physical form/odour Colourless liquid 
Solubility Insoluble in water, soluble in fats 
Solubility in ethanol soluble 
Boiling point (°C) 65° (1 mm Hg)
Assay min % 97% (sum of stereo-isomers)
Acid value max 1
Refractive index 1.487-1.490
Specific gravity 0.938-0.943
Other requirements -
ID Test HNMR IR MS
Spectrum http://www.fao.org/ag/agn/jecfa-flav/img/img/1238-hnmr.gif
http://www.fao.org/ag/agn/jecfa-flav/img/img/1238-ir.gif
http://www.fao.org/ag/agn/jecfa-flav/img/img/1238-ms.gif



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