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CAS No 104-55-2 , (E)-3-phenylprop-2-enal

  • Name: (E)-3-phenylprop-2-enal
  • Synonyms: Zimtaldehyde; trans-Cinnamaldehyde; Cinnamylaldehyde; Phenylacrolein; 3-Phenylacrylaldehyde;cinnamaldehyde;(E)-3-phenylprop-2-enal; Cinnamal; (E)-Cinnamaldehyde;
  • CAS Registry Number:
  • Melting Point: -7.5 ºC
  • Flash Point: 71 ºC
  • Boiling Point: 251 ºC
  • Density: 1.05
  • Refractive index: 1.61
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29122900
  • Flash Point: 71 ºC
  • EINECS: 203-213-9
  • Molecular Weight: 132.15922
  • InchiKey: KJPRLNWUNMBNBZ-QPJJXVBHSA-N
  • InChI: InChI=1S/C9H8O/c10-8-4-7-9-5-2-1-3-6-9/h1-8H/b7-4+
  • Risk Statements: R36/37/38
  • Molecular Formula: C9H8O
  • Molecular Structure:CAS No:104-55-2 (E)-3-phenylprop-2-enal

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References of (E)-3-phenylprop-2-enal
Title: Cinnamaldehyde
CAS Registry Number: 104-55-2
CAS Name: 3-Phenyl-2-propenal
Synonyms: cinnamic aldehyde; phenylacrolein; cinnamal
Molecular Formula: C9H8O
Molecular Weight: 132.16
Percent Composition: C 81.79%, H 6.10%, O 12.11%
Literature References: Found in Ceylon and Chinese cinnamon oils as the trans-form. Prepn by condensation of benzaldehyde and acetaldehyde: Peine, Ber. 17, 2117 (1884); JP 163097 (1944 to Ogawa Chem. Ind.); from 2-chloroallylbenzene: Bert, Dorier, Compt. Rend. 191, 332 (1930); Bert, Annequin, ibid. 192, 1315 (1931); by condensation of styrene with formylmethylaniline: GB 504125 (1939 to I. G. Farben); by oxidation of cinnamyl alc: Holum, J. Org. Chem. 26, 4814 (1961); Traynelis, Hergenrother, J. Am. Chem. Soc. 86, 298 (1964). Isoln from woodrotting fungus, Stereum subpileatum Berk. & Curt.: Birkinshaw et al., Biochem. J. 66, 188 (1957). Toxicity data: P. M. Jenner et al., Food Cosmet. Toxicol. 2, 327 (1964). Review of risk assessment as fragrance ingredient: D. Bickers et al., Food Chem. Toxicol. 43, 799-836 (2005); of toxicology: J. Cocchiara et al., ibid. 867-923.
Properties: Yellowish oily liquid, strong odor of cinnamon. d2525 1.048-1.052. Volatile with steam. mp -7.5°. bp1.0 76.1°; bp5 105.8°; bp10 120.0°; bp20 135.7°; bp40 152.2°; bp60 163.7°; bp100 177.7°; bp200 199.3°; bp400 222.4°; bp760 246.0° (some dec). nD20 1.618-1.623. Flash point, closed cup: >100°C. Dissolves in about 700 parts water, in about 7 vols of 60% alc. Misc with alcohol, ether, chloroform, oils. LD50 in rats (mg/kg): 2220 orally (Jenner).
Melting point: mp -7.5°
Boiling point: bp1.0 76.1°; bp5 105.8°; bp10 120.0°; bp20 135.7°; bp40 152.2°; bp60 163.7°; bp100 177.7°; bp200 199.3°; bp400 222.4°; bp760 246.0° (some dec)
Flash point: Flash point, closed cup: >100°C
Index of refraction: nD20 1.618-1.623
Density: d2525 1.048-1.052
Toxicity data: LD50 in rats (mg/kg): 2220 orally (Jenner)
Use: In the flavor and perfume industry.