Food safety and quality: details

Flavouring	(±)-Bicyclo[2.2.1]hept-5-ene-2-carboxylic acid, ethyl ester
Synonym(s)	Ethylbicyclo[2.2.1]hept-5-ene-2-carboxylate; 5-Norbornene-2-carboxylic acid, ethyl ester; 2,5-Endomethylene-3-cyclohexene carboxylic acid, ethyl ester
Latest JECFA evaluation	2018 (Session 86)
Status of specification	Full
Information required
Chemical name	ethyl bicyclo[2.2.1]hept-5-ene-2-carboxylate
JECFA number	2255
CAS number	10138-32-6
FEMA number	4790
COE number
FLAVIS number
Molecular weight	166.09
Chemical formula	C10H14O2
Physical form/odour	Clear liquid/Floral aroma with earthy fermented undertones
Solubility	very slightly soluble
Solubility in ethanol	Soluble
Boiling point (°C)	215-217 °
Assay min %	>95%
Acid value max
Refractive index	1.448-1.488
Specific gravity	1.007-1.047 (20 °)
Other requirements	Racemic mixture of R- and S-
ID Test	MS, 1H-NMR
Spectrum