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CAS No 94-41-7 , (E)-1,3-diphenylprop-2-en-1-one Search by region : Germany

  • Name: (E)-1,3-diphenylprop-2-en-1-one
  • Synonyms: (E)-Chalcone;(E)-1,3-diphenylprop-2-en-1-one;Benzalacetophenone; Cinnamophenone; Phenyl styryl ketone; Benzylideneacetophenone; trans-Chalcone; Chalkone;
  • CAS Registry Number:
  • Melting Point: 55-59 °C
  • Flash Point: >230 °F
  • Boiling Point: 208 °C25 mm Hg(lit.)
  • Density: 1.097g/cm3
  • Refractive index: 1.625
  • Safety Statements: Poison by intravenous route. See also KETONES. When heated to decomposition it emits acrid smoke and irritating fumes.
  • Hazard Symbols: Xn: Harmful;Xi: Irritant;
  • Flash Point: >230 °F
  • EINECS: 202-330-2
  • Molecular Weight: 208.25518
  • InchiKey: DQFBYFPFKXHELB-VAWYXSNFSA-N
  • InChI: InChI=1S/C15H12O/c16-15(14-9-5-2-6-10-14)12-11-13-7-3-1-4-8-13/h1-12H/
    b12-11+
  • Risk Statements: 22-36/37
  • Molecular Formula: C15H12O
  • Molecular Structure:CAS No:94-41-7 (E)-1,3-diphenylprop-2-en-1-one

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References of (E)-1,3-diphenylprop-2-en-1-one
Title: Chalcone
CAS Registry Number: 94-41-7
CAS Name: 1,3-Diphenyl-2-propen-1-one
Synonyms: chalkone; benzylideneacetophenone; benzalacetophenone; phenyl styryl ketone
Molecular Formula: C15H12O
Molecular Weight: 208.26
Percent Composition: C 86.51%, H 5.81%, O 7.68%
Line Formula: C6H5CH=CHCOC6H5
Literature References: Prepd by the action of NaOH on an alcoholic soln of benzaldehyde and acetophenone: E. P. Kohler, H. M. Chadwell, Org. Synth. coll. vol. I, 78 (1941).
Properties: Pale-yellow orthorhombic prisms from petr ether. mp 57-58°. d462 1.0712. bp760 345-348° (slight decompn). bp25 208°. nD62 1.6458. Freely sol in ether, chloroform, carbon bisulfide, benzene; slightly in alcohol; very sparingly in cold petr ether.
Melting point: mp 57-58°
Boiling point: bp760 345-348° (slight decompn); bp25 208°
Index of refraction: nD62 1.6458
Density: d462 1.0712
CAUTION: Skin irritant.
NOTE: Exists in other forms (polymorphic) with different mps. Irradiation produces four forms of dimers.