Basic information
- Name:
Methyl cinnamate
- CAS No.:
103-26-4
- Molecular Structure:
- Formula:
- C10H10O2
- Molecular Weight:
- 162.20
- Synonyms:
- Methyl 3-phenyl-2-propenoate;2-propenoic acid, 3-phenyl-, methyl ester, (2E)-;methyl 3-phenylprop-2-enoate;2-Propenoic acid, 3-phenyl-, methyl ester;Methyl 3-phenylpropenoate;Methyl cinnamate (natural);Methyl 3-phenylacrylate;Methyl cinnamylate;methyl (2E)-3-phenylacrylate;Cinnamic acid methyl ester;Methyl Cinnamate 98%min;Methyl cinnamate nat.;Methyl Cinnamate Natural;
- EINECS:
- 203-093-8
- Density:
- 1.078 g/cm3
- Melting Point:
- 33.5-36 °C
- Boiling Point:
- 261.9 °C at 760 mmHg
- Flash Point:
- 141.3 °C
- Solubility:
- insoluble in water
- Safety Description:
- 22-24/25 Details
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Chemistry
Molecular Structure of Methyl cinnamate (CAS NO.103-26-4):
IUPAC Name: methyl (E)-3-phenylprop-2-enoate
Molecular Formula: C10H10O2
Molecular Weight: 162.19
CAS Registry Number: 103-26-4
H bond acceptors: 2
H bond donors: 0
Freely Rotating Bonds: 3
Polar Surface Area: 26.3 Å2
Index of Refraction: 1.558
Molar Refractivity: 48.55 cm3
Molar Volume: 150.3 cm3
Surface Tension: 38.5 dyne/cm
Flash Point: 141.3 °C
Enthalpy of Vaporization: 49.97 kJ/mol
Boiling Point: 261.9 °C at 760 mmHg
Vapour Pressure: 0.0112 mmHg at 25°C
EINECS: 203-093-8
Density: 1.092
Melting point: 33.5-36 °C
Water solubility: insoluble
Refractive index: 1.5771
Density: 1.078 g/cm3
Water Solubility: insoluble
InChI
InChI=1/C10H10O2/c1-12-10(11)8-7-9-5-3-2-4-6-9/h2-8H,1H3/b8-7+
Smiles
c1(\C=C\C(OC)=O)ccccc1
Uses
Methyl cinnamate (CAS NO.103-26-4) is used in the flavor industry and in perfumes to impart strawberry and cinnamon scents.
Toxicity Data With Reference
| 1. | orl-rat LD50:2610 mg/kg | FCTXAV Food and Cosmetics Toxicology. 13 (1975),681. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Safety Statements: 22-24/25
S22:Do not breathe dust.
S24/25:Avoid contact with skin and eyes.
WGK Germany: 1
RTECS: GE0190000
Specification
Methyl cinnamate , with CAS number of 103-36-6, can be called 2-Propenoicacid,3-phenyl-,methylester ; 3-phenyl-2-propenoicacimethylester ; 3-phenyl-prop-2-enoicacidmethylester ; Methyl 3-phenyl-2-propenoate ; Methyl ester of Cinnamic acid ; methyl3-phenyl-2-propenoate ; Trans-3-phenylacrylic acid methyl ester . It is a white to light yellow fused crystalline mas, Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes. Methyl cinnamate is the methyl ester of cinnamic acid. It is found naturally in a variety of plants, including in fruits, like strawberry and some culinary spices, such as Sichuan pepper and some varieties of basil.