العربية
中文
english
français
Español
FAO Home
Food safety & quality
Scientific advice
Calls for data and experts
Microbiological risks and JEMRA
Chemical risks and JECFA
JECFA publications from meetings
Guidelines
Summary reports
Full reports
Toxicological monographs
Other scientific advice
Food safety and quality
|
share
>
Scientific advice
>
Chemical risks and JECFA
Online Edition: "Specifications for Flavourings"
Online help
About the data
Analytical Methods (Volume 4)
New search
Print
Flavouring
cis- and trans-2-Heptylcyclopropanecarboxylic acid
Synonym(s)
Heptylcylopropane-1-carboxylic acid;Cyclopropanecarboxylic acid, 2-heptyl
Latest JECFA evaluation
2010 (Session 73)
Status of specification
Full
Information required
Chemical name
Mixture of cis-2-heptylcyclopropanecarboxylic acid and trans-2-heptylcyclopropanecarboxylic acid
JECFA number
1907
CAS number
697290-76-9;697290-77-0
FEMA number
4130
COE number
FLAVIS number
Molecular weight
184.28
Chemical formula
C11H20O2
Physical form/odour
Clear liquid; Floral, spicy, herbal and citrus aroma
Solubility
Soluble in water and triacetin
Solubility in ethanol
Soluble
Boiling point (°C)
281-283°
Assay min %
95%
Acid value max
Refractive index
1.473-1.479
Specific gravity
0.990-0.995
Other requirements
Mixture of isomers: 90% cis-2-Heptylcyclopropanecarboxylic acid, 10% trans-2-Heptylcyclopropanecarboxylic acid
ID Test
CNMR HNMR IR MS
Spectrum
![](../typo3conf/ext/dyna_fef/download.php?dfile=/work/htdocs/disseminationtypo3/web/fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-cnmr.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-cnmr.gif" width="60px;"></a><br><a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-hnmr.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-hnmr.gif" width="60px;"></a><br><a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-ir.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-ir.gif" width="60px;"></a><br><a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-ms.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-ms.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-cnmr.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-cnmr.gif" width="60px;"></a><br><a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-hnmr.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-hnmr.gif" width="60px;"></a><br><a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-ir.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-ir.gif" width="60px;"></a><br><a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-ms.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-ms.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-cnmr.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-cnmr.gif" width="60px;"></a><br><a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-hnmr.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-hnmr.gif" width="60px;"></a><br><a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-ir.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-ir.gif" width="60px;"></a><br><a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-ms.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1907-ms.gif" width="60px;"></a><br>)