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CAS No 89-81-6 , 3-methyl-6-propan-2-ylcyclohex-2-en-1-one

  • Name: 3-methyl-6-propan-2-ylcyclohex-2-en-1-one
  • Synonyms: p-Menth-1-en-3-one; 6-Isopropyl-3-methylcyclohex-2-enone;3-methyl-6-propan-2-ylcyclohex-2-en-1-one; 3-Carvomenthenone; 3-methyl-6-(1-methylethyl)-; 89-81-6; 2-Cyclohexen-1-one;
  • CAS Registry Number:
  • Melting Point: -29 °C
  • Flash Point: 90.9 ºC
  • Boiling Point: 233°C
  • Density: 0,93 g/cm3
  • Refractive index: -60 ° (C=4, benzene)
  • Safety Statements: Moderately toxic by ingestion and subcutaneous routes. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
  • Flash Point: 90.9 ºC
  • EINECS: 201-942-7
  • Molecular Weight: 152.23344
  • InchiKey: YSTPAHQEHQSRJD-UHFFFAOYSA-N
  • InChI: InChI=1S/C10H16O/c1-7(2)9-5-4-8(3)6-10(9)11/h6-7,9H,4-5H2,1-3H3
  • Molecular Formula: C10H16O
  • Molecular Structure:CAS No:89-81-6 3-methyl-6-propan-2-ylcyclohex-2-en-1-one

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References of 3-methyl-6-propan-2-ylcyclohex-2-en-1-one
Title: Piperitone
CAS Registry Number: 89-81-6
CAS Name: 3-Methyl-6-(1-methylethyl)-2-cyclohexen-1-one
Synonyms: p-menth-1-en-3-one; 4-isopropyl-1-methyl-1-cyclohexen-3-one
Molecular Formula: C10H16O
Molecular Weight: 152.23
Percent Composition: C 78.90%, H 10.59%, O 10.51%
Literature References: Isoln of d-form from oil of Cymbopogon sennaarensis Chiov., Gramineae: Roberts, J. Chem. Soc. 107, 1465 (1915); from oil of Andropogon iwarancusa Jones: Simonsen, ibid. 119, 1644 (1921); from oil of Mentha spp., Labiatae: Reitsma, J. Am. Pharm. Assoc. 47, 265, 267 (1958). Isoln of l-form from Sitka spruce oil: von Rudloff, Can. J. Chem. 42, 1057 (1964). Isoln of dl-form from oil of Eucalyptus dives Schau., Myrtaceae: Read, Smith, J. Chem. Soc. 119, 779 (1921); from peppermint oil: Katsuragi, Koryo No. 24, 16 (1953). Synthesis of dl-form: Misrock, Church, Ind. Eng. Chem. 49, 822 (1957); Bain et al., US 2972632 (1961 to Glidden); Wiemann, Dubois, Bull. Soc. Chim. Fr. 1962, 1813; Stepanov, Myrsina, Zh. Obshch. Khim. 34, 3092 (1964).
 
Derivative Type: d-Form
Properties: Liquid. Peppermint odor. bp 232-235°; bp20 116-118.5°. d420 0.9344. [a]D20 +49.13°. nD20 1.4848.
Boiling point: bp 232-235°; bp20 116-118.5°
Optical Rotation: [a]D20 +49.13°
Index of refraction: nD20 1.4848
Density: d420 0.9344
 
Derivative Type: l-Form
Properties: Liquid. bp15 109.5-110.5°. d420 0.9324. [a]D20 -15.9°. nD20 1.4823. Practically insol in water. Sol in alcohol, oils.
Boiling point: bp15 109.5-110.5°
Optical Rotation: [a]D20 -15.9°
Index of refraction: nD20 1.4823
Density: d420 0.9324
 
Derivative Type: dl-Form
Properties: Liquid. bp769 232-233°; bp16 116-118°. d420 0.9331. nD24 1.4823. uv max (ethanol): 232.5 nm (e 13350).
Boiling point: bp769 232-233°; bp16 116-118°
Index of refraction: nD24 1.4823
Absorption maximum: uv max (ethanol): 232.5 nm (e 13350)
Density: d420 0.9331
 
Use: In masking odors in dentifrices.