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IUPAC Name: Cyclopenta-2,4-dien-1-ylidenemethaneselone
Synonyms of Methaneselone, 2,4-cyclopentadien-1-ylidine- (CAS NO.72443-10-8): Cyclopenta-2,4-dien-1-ylidenemethaneselone
CAS NO: 72443-10-8
Molecular Formula: C6H4Se
Molecular Weight : 155.056
Molecular Structure:
Flash Point: 107.3 °C
Enthalpy of Vaporization: 47.13 kJ/mol
Boiling Point: 253.7 °C at 760 mmHg
Vapour Pressure: 0.0287 mmHg at 25°C
Selenium and its compounds are on the Community Right-To-Know List.
Polymerizes explosively at −196°C. When Methaneselone, 2,4-cyclopentadien-1-ylidine- (CAS NO.72443-10-8) is heated to decomposition, it emits toxic fumes of Se. See also SELENIUM COMPOUNDS.
OSHA PEL: TWA 0.2 mg(Se)/m3
ACGIH TLV: TWA 0.2 mg(Se)/m3
DFG MAK: 0.1 mg(Se)/m3