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Physical & Chemical properties

Partition coefficient

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Description of key information

logKow = -0.73 at 25 °C

Key value for chemical safety assessment

Log Kow (Log Pow):
-0.73
at the temperature of:
25 °C

Additional information

The octanol-water partition coefficient (logKow) for 1,4 -Butynediol as measured according to OECD Method 107 is -0.73 at 25°C (BASF AG 1988). This result is supported by an estimated value of -0.93 at 25°C (ISP 2010; Meylan et. al. 1995).