Product Name

  • Name

    2,3,4,5-Tetramethyl-2-cyclopentenone

  • EINECS -0
  • CAS No. 54458-61-6
  • Article Data10
  • CAS DataBase
  • Density 0.894 g/cm3
  • Solubility Not miscible with water.
  • Melting Point
  • Formula C9H14O
  • Boiling Point 196.092 °C at 760 mmHg
  • Molecular Weight 138.21
  • Flash Point 73.333 °C
  • Transport Information
  • Appearance Yellowish or colorless clearly liquid
  • Safety 23-24/25
  • Risk Codes
  • Molecular Structure Molecular Structure of 54458-61-6 (2,3,4,5-Tetramethyl-2-cyclopentenone)
  • Hazard Symbols
  • Synonyms 2,3,4,5-Tetramethyl-2-cyclopenten-1-one;Tetramethylcyclopent-2-enone;
  • PSA 17.07000
  • LogP 2.17770

2,3,4,5-Tetramethyl-2-cyclopentenone Chemical Properties

Molecular Structure of 2,3,4,5-Tetramethyl-2-cyclopentenone (CAS NO.54458-61-6):

IUPAC Name: 2,3,4,5-tetramethylcyclopent-2-en-1-one
Empirical Formula: C9H14O 
Molecular Weight: 138.2069  
H bond acceptors: 1
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 17.07 Å2
Index of Refraction: 1.451
Molar Refractivity: 41.61 cm3
Molar Volume: 154.4 cm3
Surface Tension: 24 dyne/cm
Density: 0.894 g/cm3 
Flash Point: 73.3 °C 
Enthalpy of Vaporization: 43.23 kJ/mol 
Boiling Point: 196.1 °C at 760 mmHg 
Vapour Pressure: 0.406 mmHg at 25°C 
Index of Refraction: 1.451 
Product Categories: blocks; BoronicAcids; Alkenyl; Boronic Acids; Boronic Acids and Derivatives

2,3,4,5-Tetramethyl-2-cyclopentenone Safety Profile

Safety Statements: 23-24/25 
S23:Do not breathe vapour. 
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3

2,3,4,5-Tetramethyl-2-cyclopentenone Specification

 2,3,4,5-Tetramethyl-2-cyclopentenone ,with CAS number of 54458-61-6,can be called 2,3,4,5-Tetramethyl-2-cyclopenten-1-one ; 2,3,4,5-Tetramethyl-2-cyclopentenone ; 2,3,4,5-Tetramethylcyclopent-2-enone ; 2,3,4,5-tetramethyl-2-cyclopentanone (cis+trans) ; 2,3,4,5-Tetramethyl-2-cyclopentenone (mixture of cis- and trans- isomers) ; 2,3,4,5-Tetramethyl-2-cyclopentenone, 95 %, mixture of cis and trans ; 2,3,4,5-tetramethyl-2-cyclopentenone, cis + trans ; 2,3,4,5-tetramethyl-2-cyclopentenone, mixture of cis and trans .

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