Back ألدهيد القرفة Arabic سینامالدهید AZB Cinamaldehid Catalan Cinnamaldehyd Czech Zimtaldehyd German Cinamaldehido Esperanto Cinamaldehído Spanish Kaneelaldehüüd Estonian سینامالدهید Persian Kanelialdehydi Finnish

Cinnamaldehyde

Cinnamaldehyde
Skeletal formula of cinnamaldehyde
Ball-and-stick model of the cinnamaldehyde molecule
sample
Names
Preferred IUPAC name
(2E)-3-Phenylprop-2-enal
Other names
  • Cihinnamaldehyde
  • Cinnamal
  • Cinnamic aldehyde
  • trans-Cinnamaldehyde
Identifiers
3D model (JSmol)
3DMet
1071571
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.111.079 Edit this at Wikidata
EC Number
  • 203-213-9
KEGG
RTECS number
  • GD6475000
UNII
  • InChI=1S/C9H8O/c10-8-4-7-9-5-2-1-3-6-9/h1-8H/b7-4+ checkY
    Key: KJPRLNWUNMBNBZ-QPJJXVBHSA-N checkY
  • InChI=1/C9H8O/c10-8-4-7-9-5-2-1-3-6-9/h1-8H/b7-4+
    Key: KJPRLNWUNMBNBZ-QPJJXVBHBH
  • c1ccc(cc1)/C=C/C=O
Properties
C9H8O
Molar mass 132.16 g/mol
Appearance Yellow oil
Odor Pungent, cinnamon-like
Density 1.0497 g/mL
Melting point −7.5 °C (18.5 °F; 265.6 K)
Boiling point 248 °C (478 °F; 521 K)
Slightly soluble
Solubility
−7.48×10−5 cm3/mol
1.6195
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H315, H317, H319, H335
P261, P264, P271, P272, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P333+P313, P337+P313, P362, P363, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 2: Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur. Flash point between 38 and 93 °C (100 and 200 °F). E.g. diesel fuelInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
2
2
0
Flash point 71 °C (160 °F; 344 K)
Lethal dose or concentration (LD, LC):
3400 mg/kg (rat, oral)
Related compounds
Related compounds
 Cinnamic acid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Cinnamaldehyde is an organic compound with the formula or C₆H₅CH=CHCHO. Occurring naturally as predominantly the trans (E) isomer, it gives cinnamon its flavor and odor.[1] It is a phenylpropanoid that is naturally synthesized by the shikimate pathway.[2] This pale yellow, viscous liquid occurs in the bark of cinnamon trees and other species of the genus Cinnamomum. The essential oil of cinnamon bark is about 90% cinnamaldehyde.[3] Cinnamaldehyde decomposes to styrene because of oxidation as a result of bad storage or transport conditions. Styrene especially forms in high humidity and high temperatures. This is the reason why cinnamon contains small amounts of styrene.[4]

  1. ^ "Cinnamon". Transport Information Service. Gesamtverband der Deutschen Versicherungswirtschaft e.V. Retrieved 2007-10-23.
  2. ^ Gutzeit, Herwig (2014). Plant Natural Products: Synthesis, Biological Functions and Practical Applications. Wiley. pp. 19–21. ISBN 978-3-527-33230-4.
  3. ^ PubChem. "Cinnamaldehyde". pubchem.ncbi.nlm.nih.gov. Retrieved 2019-10-18.
  4. ^ "High daily intakes of cinnamon: Health risk cannot be ruled out" (PDF). Federal Institute for Risk Assessment (BfR). 18 August 2006. Archived (PDF) from the original on 7 March 2022. Retrieved 20 May 2022.

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