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CAS No 98-55-5 , 2-(4-methylcyclohex-3-en-1-yl)propan-2-ol

  • Name: 2-(4-methylcyclohex-3-en-1-yl)propan-2-ol
  • Synonyms: dl-alpha-Terpineol; p-Menth-1-en-8-ol; 1-Menthene-8-ol;2-(4-methylcyclohex-3-en-1-yl)propan-2-ol; 98-55-5; 1-p-Menthen-8-ol; Terpineol schlechthin; 1-alpha-terpineol;Terpineol;
  • CAS Registry Number:
  • Melting Point: 31-34 ºC
  • Flash Point: 90 ºC
  • Boiling Point: 214-224 ºC
  • Density: 0.936
  • Refractive index: 1.482-1.485
  • Safety Statements: R38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29061400
  • Flash Point: 90 ºC
  • EINECS: 202-680-6
  • Molecular Weight: 154.24932
  • InchiKey: WUOACPNHFRMFPN-UHFFFAOYSA-N
  • InChI: InChI=1S/C10H18O/c1-8-4-6-9(7-5-8)10(2,3)11/h4,9,11H,5-7H2,1-3H3
  • Risk Statements: S37
  • Molecular Formula: C10H18O
  • Molecular Structure:CAS No:98-55-5 2-(4-methylcyclohex-3-en-1-yl)propan-2-ol
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98-55-5; 22347-88-2 alpha-TERPINEOL

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References of 2-(4-methylcyclohex-3-en-1-yl)propan-2-ol
Title: a-Terpineol
CAS Registry Number: 98-55-5
CAS Name: a,a,4-Trimethyl-3-cyclohexene-1-methanol
Synonyms: p-menth-1-en-8-ol
Molecular Formula: C10H18O
Molecular Weight: 154.25
Percent Composition: C 77.87%, H 11.76%, O 10.37%
Literature References: Terpineol exists as three isomers, a-, b-, and g-terpineol: J. L. Simonsen, The Terpenes vol. I (University Press, Cambridge, 2nd ed., 1947) pp 256-274. Isoln of d-a-terpineol from petitgrain oil: Walbaum, Hüthig, J. Prakt. Chem. 67, 322 (1903). Isoln from l-a-terpineol from long leaf pine oil: Teeple, J. Am. Chem. Soc. 30, 412 (1908). Isoln of dl-a-terpineol from cajeput oil: Voiry, Compt. Rend. 106, 1540 (1888). Synthesis of d-a-terpineol: Cologne, Crabalona, Bull. Soc. Chim. Fr. 1960, 102. Synthesis of l-a-terpineol: eidem, ibid. 1959, 1505. Stereochemistry: Henbest, McElkinney, J. Chem. Soc. 1959, 1834. Review: Wagner, Manuf. Chem. 22, 98, 153 (1951).
 
Derivative Type: d-Form
Properties: Liquid. bp4.5 81-82°; bp731 206-207°. d420 0.9338. nD20 1.4818. [a]D20 +92.45°. Solidifies at 31°.
Boiling point: bp4.5 81-82°; bp731 206-207°
Optical Rotation: [a]D20 +92.45°
Index of refraction: nD20 1.4818
Density: d420 0.9338
 
Derivative Type: Phenylurethan
Molecular Formula: C17H23NO2
Molecular Weight: 273.37
Percent Composition: C 74.69%, H 8.48%, N 5.12%, O 11.71%
Properties: Crystals from petr ether, mp 111°. [a]D20 +30.50° (benzene).
Melting point: mp 111°
Optical Rotation: [a]D20 +30.50° (benzene)
 
Derivative Type: l-Form
Properties: Liquid. bp5 80-81.5°. d420 0.935. nD20 1.4820. [a]D20 -100° (c = 20 in alc). Solidifies at 36.4°.
Boiling point: bp5 80-81.5°
Optical Rotation: [a]D20 -100° (c = 20 in alc)
Index of refraction: nD20 1.4820
Density: d420 0.935
 
Derivative Type: Dinitrobenzoate
Molecular Formula: C17H20N2O6
Molecular Weight: 348.35
Percent Composition: C 58.61%, H 5.79%, N 8.04%, O 27.56%
Properties: Crystals from alcohol, mp 101.5°. [a]D20 -31° (c = 9.5 in carbon tetrachloride).
Melting point: mp 101.5°
Optical Rotation: [a]D20 -31° (c = 9.5 in carbon tetrachloride)
 
Derivative Type: dl-Form
Properties: Liquid. bp3 85°; bp752 218.8-219.4°, d15 0.9386. nD20 1.4831.
Boiling point: bp3 85°; bp752 218.8-219.4°
Index of refraction: nD20 1.4831
Density: d15 0.9386
 
Derivative Type: Phenylurethan
Molecular Formula: C17H23NO2
Molecular Weight: 273.37
Percent Composition: C 74.69%, H 8.48%, N 5.12%, O 11.71%
Properties: Crystals, mp 113°.
Melting point: mp 113°
 
Use: Perfumes; denaturing fats for soap manufacture.
Therap-Cat: Antiseptic.
Keywords: Antiseptic/Disinfectant.