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Physical & Chemical properties

Vapour pressure

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Description of key information

107-07-3,chloroethanol,
The vapour pressure is from a calculated summary of literature data: 8.4 hPa at 20°C

Key value for chemical safety assessment

Vapour pressure:
8.4 Pa
at the temperature of:
20 °C

Additional information

The vapor pressure of 2-chloroethanol at 20°C was calculated using its Clausius-Clapeyron equation. The optimal fit for this equation was derived from 26 sets of data, measured vapour pressure, from several literature sources.

Clausius-Clapeyron equation

lnp=(ΔHvap /RT)+C

with

- p       = vapor pressure in N/m2(or Pa)

- ΔHvap  = heat of evaporation in J/mole

- R       = gas constant (= 8.3142 J/mole.K)

- T       = temperature in K (0°C = 273.15 K)

- C       = constant

Author

Gerrit Nagelhout

Date

June 9th, 2010

Document number

2.419.174 -

 

References

  

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