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CAS No 141-10-6 , (3E,5E)-6,10-dimethylundeca-3,5,9-trien-2-one

  • Name: (3E,5E)-6,10-dimethylundeca-3,5,9-trien-2-one
  • Synonyms: 6,10-dimethyl-;(3E,5E)-6,10-dimethylundeca-3,5,9-trien-2-one; Pseudoionones;Citrylideneacetone; 6,10-Dimethylundeca-3,5,9-trien-2-one; 3,5,9-Undecatrien-2-one;
  • CAS Registry Number:
  • Boiling Point: 114-116 °C2 mm Hg(lit.)
  • Density: 0.90 g/mL at 20 °C(lit.)
  • Refractive index: 20/D 1.53
  • Water Solubility: Insoluble in water & Soluble in alcohol
  • Safety Statements: Slightly toxic by ingestion and skin contact routes. When heated to decomposition it emits acrid smoke and irritating vapors.
  • EINECS: 205-457-1
  • Molecular Weight: 192.2973
  • InchiKey: JXJIQCXXJGRKRJ-KOOBJXAQSA-N
  • InChI: InChI=1S/C13H20O/c1-11(2)7-5-8-12(3)9-6-10-13(4)14/h6-7,9-10H,5,8H2,
    1-4H3/b10-6+,12-9+
  • Molecular Formula: C13H20O
  • Molecular Structure:CAS No:141-10-6 (3E,5E)-6,10-dimethylundeca-3,5,9-trien-2-one

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References of (3E,5E)-6,10-dimethylundeca-3,5,9-trien-2-one
Title: Pseudoionone
CAS Registry Number: 141-10-6
CAS Name: 6,10-Dimethyl-3,5,9-undecatriene-2-one
Synonyms: citrylideneacetone; 2,6-dimethylhendeca-2,6,8-trien-10-one
Molecular Formula: C13H20O
Molecular Weight: 192.30
Percent Composition: C 81.20%, H 10.48%, O 8.32%
Literature References: Intermediate in the synthesis of a- and b-ionone. Prepn from citral and acetone: Tiemann, Krüger, Ber. 26, 2692 (1893); Stiehl, J. Prakt. Chem. [2] 58, 84 (1898); Tiemann, Ber. 32, 115 (1899); Hibbert, Cannon, J. Am. Chem. Soc. 46, 119 (1924); A. Russel, R. L. Kenyon, Org. Synth. coll. vol. III, 747 (1955). A less pure product is obtained by the treatment of oil of lemon grass and acetone with bleaching powder, cobalt nitrate, and alcohol: Ziegler, J. Prakt. Chem. [2] 57, 493 (1898); Tiemann, Ber. 31, 2313 (1898); Haarmann, Reimer & Co., DE 73089; Frdl. 3, 889. Synthesis: T. Onishi et al., Synthesis 1980, 651.
Properties: Pale yellow oil, bp2 114-116°; bp4 124-126°; bp12 143-145°; d20 0.8984; nD20 1.53346.
Boiling point: bp2 114-116°; bp4 124-126°; bp12 143-145°
Index of refraction: nD20 1.53346
Density: d20 0.8984