Basic information
- Name:
2,3,4,5-Tetramethyl-2-cyclopentenone
- CAS No.:
54458-61-6
- Molecular Structure:
- Formula:
- C9H14O
- Molecular Weight:
- 138.21
- Synonyms:
- 2,3,4,5-Tetramethyl-2-cyclopenten-1-one;Tetramethylcyclopent-2-enone;
- Density:
- 0.894 g/cm3
- Boiling Point:
- 196.092 °C at 760 mmHg
- Flash Point:
- 73.333 °C
- Safety Description:
- 23-24/25 Details
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Chemistry
Molecular Structure of 2,3,4,5-Tetramethyl-2-cyclopentenone (CAS NO.54458-61-6):
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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
Safety Profile
Safety Statements: 23-24/25
S23:Do not breathe vapour.
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3
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 .
