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Description of key information

Vinylcyclohexane is a very volatile substance. It has a vapour pressure of 1.94 × 103 Pa at 20 °C and 2.47 × 103 Pa at 25 °C. Furthermore, its water solubility of 15 mg/L is relatively low. The EPISuiteTM estimated half-lives for volatilisation from rivers and lakes are 1.076 hours and 99.76 hours (4.157 days), respectively. The Henry Law Constant for VCH is 0.141 atm × m³/mol (corresponding to 1.425 E+04 Pa x m³/mol; calculated from vapour pressure/water solubility). This indicates rapid volatilisation from water to air.


Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
14 250
at the temperature of:
20 °C

Additional information

For further details and documentation please refer to the PBT assessment report in IUCLID section 13.