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CAS No 499-44-5 , 2-hydroxy-6-propan-2-ylcyclohepta-2,4,6-trien-1-one Search by region : Germany

  • Name: 2-hydroxy-6-propan-2-ylcyclohepta-2,4,6-trien-1-one
  • Synonyms: BETA; Tropolone;2-hydroxy-6-propan-2-ylcyclohepta-2,4,6-trien-1-one; beta-Thujaplicine; 4-isopropyl-;hinokitiol; beta-Thujaplicin; 499-44-5; 4-Isopropyltropolone; Hinokitol; THUJAPLICIN;
  • CAS Registry Number:
  • Melting Point: 50-52 ºC
  • Flash Point: 128.1°C
  • Boiling Point: 140 ºC (10 MMHG)
  • Density: 1.127g/cm3
  • Refractive index: 1.553
  • Safety Statements: R22
  • Hazard Symbols: Xn: Harmful;
  • Flash Point: 128.1°C
  • EINECS: 207-880-7
  • Molecular Weight: 164.20108
  • InchiKey: FUWUEFKEXZQKKA-UHFFFAOYSA-N
  • InChI: InChI=1S/C10H12O2/c1-7(2)8-4-3-5-9(11)10(12)6-8/h3-7H,1-2H3,(H,11,12)
  • Risk Statements: S36
  • Molecular Formula: C10H12O2
  • Molecular Structure:CAS No:499-44-5 2-hydroxy-6-propan-2-ylcyclohepta-2,4,6-trien-1-one

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499-44-5 HINOKITIOL; 99%

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References of 2-hydroxy-6-propan-2-ylcyclohepta-2,4,6-trien-1-one
Title: b-Thujaplicin
CAS Registry Number: 499-44-5
CAS Name: 2-Hydroxy-4-(1-methylethyl)-2,4,6-cycloheptatrien-1-one
Synonyms: hinokitiol; 4-isopropyltropolone
Molecular Formula: C10H12O2
Molecular Weight: 164.20
Percent Composition: C 73.15%, H 7.37%, O 19.49%
Literature References: Tropolone derivative found in the heartwood of cupressaceous plants including western red cedar, eastern white cedar, and hiba; b-thujaplicin antimicrobial activity contributes to the decay-resistance of these trees. Isoln from western red cedar, Thuja plicata D. Don: H. Erdtman, J. Gripenberg, Nature 161, 719 (1948); and characterization: A. B. Anderson, J. Gripenberg, Acta Chem. Scand. 2, 644 (1948). Synthesis: W. von E. Doering, L. H. Knox, J. Am. Chem. Soc. 75, 297 (1953). Biosynthesis in Cupressus lusitanica: J. Zhao, K. Sakai, J. Exp. Bot. 54, 647 (2003). HPLC determn in cosmetics: M. Endo et al., J. Chromatogr. 455, 430 (1988). CZE determn in aqueous solns: L. Dyrskov et al., J. Agric. Food Chem. 52, 1452 (2004). Antibacterial activity in atopic dermatitis: Y. Arima et al., J. Antimicrob. Chemother. 51, 113 (2003).
Properties: mp 52-52.5° (Erdtman); also reported as mp 50-51° (Doering). uv max (isooctane): 236, 322, 353 nm (log e 4.37, 3.72, 3.66).
Melting point: mp 52-52.5° (Erdtman); mp 50-51° (Doering)
Absorption maximum: uv max (isooctane): 236, 322, 353 nm (log e 4.37, 3.72, 3.66)
Use: Antibacterial additive in foods, cosmetics, eye drops and toothpaste.