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CAS No 499-75-2 , 2-methyl-5-propan-2-ylphenol Search by region : Germany

  • Name: 2-methyl-5-propan-2-ylphenol
  • Synonyms: 2-p-Cymenol; Antioxine;2-methyl-5-propan-2-ylphenol;5-Isopropyl-2-methylphenol; o-Thymol; Isopropyl-o-cresol; 5-Isopropyl-o-cresol; Isothymol; 499-75-2;
  • CAS Registry Number:
  • Transport: UN 3265
  • Melting Point: 3 ºC
  • Flash Point: 85 ºC
  • Boiling Point: 238 ºC
  • Density: 0.97
  • Refractive index: n20/D 1.522(lit.)
  • Safety Statements: R22;R34
  • Hazard Symbols: C: Corrosive;
  • Flash Point: 85 ºC
  • EINECS: 207-889-6
  • Molecular Weight: 150.21756
  • InchiKey: RECUKUPTGUEGMW-UHFFFAOYSA-N
  • InChI: InChI=1S/C10H14O/c1-7(2)9-5-4-8(3)10(11)6-9/h4-7,11H,1-3H3
  • Risk Statements: S26;S36/37/39;S45
  • Molecular Formula: C10H14O
  • Molecular Structure:CAS No:499-75-2 2-methyl-5-propan-2-ylphenol

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References of 2-methyl-5-propan-2-ylphenol
Title: Carvacrol
CAS Registry Number: 499-75-2
CAS Name: 2-Methyl-5-(1-methylethyl)phenol
Synonyms: 2-p-cymenol; 2-hydroxy-p-cymene; isopropyl-o-cresol; isothymol
Molecular Formula: C10H14O
Molecular Weight: 150.22
Percent Composition: C 79.95%, H 9.39%, O 10.65%
Literature References: Found in oil of origanum, thyme, marjoram, summer savory: E. Guenther, The Essential Oils vol. 2 (Van Nostrand, New York, 1949) p 503; Carpenter, Easter, J. Org. Chem. 20, 401 (1955). Prepn by chlorination of a-pinene with tert-butyl hypochlorite: Ritter, Ginsburg, J. Am. Chem. Soc. 72, 2381 (1950); from 2-bromo-p-cymol: Strubell, Baumgartel, Arch. Pharm. 291, 66 (1958). Toxicity data: Kochmann, Arch. Exp. Pathol. Pharmakol. 161, 196 (1931).
Properties: Liquid; thymol odor. d420 0.976; d2525 0.9751. bp760 237-238°; bp18 118-122°; bp3 93°. mp ~0°. nD20 1.52295. uv max (95% ethanol): 277.5 nm (log e 3.262). Volatile with steam. Practically insol in water. Freely soluble in alc or ether. LD orally in rabbits: 100 mg/kg (Kochmann).
Melting point: mp ~0°
Boiling point: bp760 237-238°; bp18 118-122°; bp3 93°
Index of refraction: nD20 1.52295
Absorption maximum: uv max (95% ethanol): 277.5 nm (log e 3.262)
Density: d420 0.976; d2525 0.9751
Toxicity data: LD orally in rabbits: 100 mg/kg (Kochmann)
Use: As disinfectant; in organic syntheses.
Therap-Cat: Has been used as anti-infective; anthelmintic (Nematodes).
Keywords: Anthelmintic (Nematodes); Antiseptic/Disinfectant; Phenols.