Basic information
- Name:
trans-Cinnamaldehyde
- CAS No.:
14371-10-9
- Molecular Structure:

- Formula:
- C9H8O
- Molecular Weight:
- 132.17
- Synonyms:
- 2-Propenal,3-phenyl-, (E)-;Cinnamaldehyde, (E)- (8CI);(2E)-3-Phenyl-2-propenal;(E)-3-Phenylacrolein;(E)-3-Phenylprop-2-enal;(E)-3-Phenylprop-2-enone;(E)-3-Phenylpropenal;(E)-Cinnamaldehyde;E-Cinnamyl aldehyde;trans-3-Phenyl-2-propenal;trans-3-Phenylpropenal;trans-Benzenepropenal;
- EINECS:
- 203-213-9
- Density:
- 1.035 g/cm3
- Melting Point:
- -9--4 °C(lit.)
- Boiling Point:
- 246.841 °C at 760 mmHg
- Flash Point:
- 71.111 °C
- Solubility:
- 1.1 g/L (20 °C) in water
- Appearance:
- Clear yellow liquid
- Hazard Symbols:
Xn,
Xi- Risk Codes:
- 36/37/38-43-21
- Safety Description:
- 26-36/37-37/39-24 Details
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Chemistry
IUPAC Name: (E)-3-Phenylprop-2-enal
Molecular Formula: C9H8O
Molecular Weight: 132.16
EINECS: 203-213-9
Molecule structure of trans-Cinnamaldehyde (CAS NO.14371-10-9):
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Surface Tension: 38.9 dyne/cm
Density: 1.034 g/cm3
Flash Point: 71.1 °C
Enthalpy of Vaporization: 48.4 kJ/mol
Boiling Point: 246.8 °C at 760 mmHg
Vapour Pressure: 0.0265 mmHg at 25 °C
Melting Point: -9--4 °C(lit.)
Refractive index: n20/D 1.622(lit.)
Storage temp: 0-6 °C
Water Solubility: 1.1 g/L (20 °C)
Sensitive: air sensitive
XLogP3: 1.9
H-Bond Acceptor: 1
Rotatable Bond Count: 2
Exact Mass: 132.057515
MonoIsotopic Mass: 132.057515
Topological Polar Surface Area: 17.1
Heavy Atom Count: 10
Canonical SMILES: C1=CC=C(C=C1)C=CC=O
Isomeric SMILES: C1=CC=C(C=C1)/C=C/C=O
InChI: InChI=1S/C9H8O/c10-8-4-7-9-5-2-1-3-6-9/h1-8H/b7-4+
InChIKey: KJPRLNWUNMBNBZ-QPJJXVBHSA-N
Classification Code: Mutation data; Tumor data
Uses
trans-Cinnamaldehyde (CAS NO.14371-10-9) is used as flavoring spices of solvent, chemicals and food.
Safety Profile
Hazard Codes:
Xi,
Xn
Risk Statements: 36/37/38-43-21
R36/37/38:Irritating to eyes, respiratory system and skin.
R43:May cause sensitization by skin contact.
R21:Harmful in contact with skin.
Safety Statements: 26-36/37-37/39-24
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37:Wear suitable protective clothing and gloves.
S37/39:Wear suitable gloves and eye/face protection.
S24:Avoid contact with skin.
WGK Germany: 3
RTECS: GD6476000
F: 10-23
Specification
trans-Cinnamaldehyde (CAS NO.14371-10-9) is also named as (E)-3-Phenyl-2-propenal ; (E)-3-Phenylpropenal ; (E)-Cinnamaldehyde ; 4-07-00-00984 (Beilstein Handbook Reference) ; AI3-33275 ; BRN 1071571 ; CCRIS 3189 ; trans-Cinnamic aldehyde ; trans-Cinnamylaldehyde . trans-Cinnamaldehyde (CAS NO.14371-10-9) is clear yellow liquid with an odor of cinnamon and a sweet taste. May be sensitive to prolonged exposure to air and light. It is insoluble in water. trans-Cinnamaldehyde is incompatible with strong oxidizing agents and strong bases. trans-Cinnamaldehyde can also react with sodium hydroxide. It is combustible.

