Product Name

  • Name

    2-isopropylidene-5-methylcyclohexanone

  • EINECS 240-070-1
  • CAS No. 15932-80-6
  • Article Data42
  • CAS DataBase
  • Density 0.923g/cm3
  • Solubility
  • Melting Point
  • Formula C10H16 O
  • Boiling Point 224°Cat760mmHg
  • Molecular Weight 152.236
  • Flash Point 92.5°C
  • Transport Information
  • Appearance
  • Safety Poison by intraperitoneal route. Moderately toxic by ingestion, skin contact, and subcutaneous routes. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
  • Risk Codes
  • Molecular Structure Molecular Structure of 15932-80-6 (2-isopropylidene-5-methylcyclohexanone)
  • Hazard Symbols
  • Synonyms p-Menth-4(8)-en-3-one(8CI);(?à)-Pulegone;2-Isopropylidene-5-methylcyclohexanone;5-Methyl-2-(1-methylethylidene)cyclohexanone;5-Methyl-2-isopropylidenecyclohexanone;
  • PSA 17.07000
  • LogP 2.71190

P-Menth-4(8)-En-3-One Chemical Properties

Chemistry informtion about P-Menth-4(8)-En-3-One (CAS NO.15932-80-6) is:
IUPAC Name: 5-Methyl-2-Propan-2-Ylidenecyclohexan-1-One
Synonyms: Cyclohexanone,5-Methyl-2-(1-Methylethylidene)- ; Para-Menth-4(8)-En-3-One ; 1-Methyl-4-Isopropylidene-2-Cyclohexanone ; D-Para-Menth-4(8)-En-3-One ; Cyclohexanone,5-Methyl-2-( ; 5-Methyl-2-(Propan-2-Ylidene)-Cyclohexanone
MF: C10H16O
MW: 152.23344
EINECS: 240-070-1 
Density: 0.923 g/cm3
Flash Point: 92.5 °C
Boiling Point: 224 °C at 760 mmHg
Vapour Pressure: 0.0934 mmHg at 25°C 
Enthalpy of Vaporization: 46.05 kJ/mol
Following is the molecular structure of P-Menth-4(8)-En-3-One (CAS NO.15932-80-6) is:

P-Menth-4(8)-En-3-One Toxicity Data With Reference

Toxic information about P-Menth-4(8)-En-3-One (CAS NO.15932-80-6) is:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 150mg/kg (150mg/kg)   National Technical Information Service. Vol. AD691-490,
mouse LD50 subcutaneous 1709mg/kg (1709mg/kg) behavioral: convulsions or effect on seizure threshold lungs, thorax, or respiration: respiratory depression Food and Cosmetics Toxicology. Vol. 16, Pg. 867, 1978.
rabbit LD50 skin 3090mg/kg (3090mg/kg)   Food and Cosmetics Toxicology. Vol. 16, Pg. 867, 1978.
rat LD50 oral 470mg/kg (470mg/kg)   Food and Cosmetics Toxicology. Vol. 16, Pg. 867, 1978.

P-Menth-4(8)-En-3-One Consensus Reports

Reported in EPA TSCA Inventory.

P-Menth-4(8)-En-3-One Safety Profile

Poison by intraperitoneal route. Moderately toxic by ingestion, skin contact, and subcutaneous routes. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.

P-Menth-4(8)-En-3-One Specification

 P-Menth-4(8)-En-3-One (CAS NO.15932-80-6)  is a clear colorless oily liquid and has a pleasant odor similar to pennyroyal, peppermint and camphor.

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