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Diss Factsheets

Physical & Chemical properties

Vapour pressure

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Administrative data

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
03/2002
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
GLP compliance:
yes (incl. QA statement)
Type of method:
effusion method: vapour pressure balance
Key result
Temp.:
25 °C
Vapour pressure:
0 hPa
Remarks on result:
other: vapour pressure balance method

Summary of Results

 Run

 Pa at 25°C

 1 0.0012 
 2 0.0016 
 3 0.0012
 4 0.0017 
 5 0.0015 
 6 0.0011 
 7 0.0014
 8 0.0015 
 Mean Vapour Pressure 0.0014
Conclusions:
The vapour pressure of TCPP is 0.000014 hPa at 25°C.
Executive summary:

The vapour pressure of TCPP is 0.000014 hPa at 25°C, obtained in a study conducted in accordance with the EU.method A.4.

A sequence of runs was started after a sample of test material had been under vacuum for approximately 12 minutes. Temperature and pressure readings were taken between 50 and 65°C with a one hour dwell at 50°C between runs.

Linear regression analysis used to calculate the vapour pressure at 25°C.

Description of key information

The vapour pressure of TCPP is 0.000014 hPa at 25°C.

Key value for chemical safety assessment

Vapour pressure:
0 hPa
at the temperature of:
25 °C

Additional information

The vapour pressure of TCPP is 0.000014 hPa at 25°C, obtained in a study conducted in accordance with the EU.method A.4.

A sequence of runs was started after a sample of test material had been under vacuum for approximately 12 minutes. Temperature and pressure readings were taken between 50 and 65°C with a one hour dwell at 50°C between runs.

Linear regression analysis used to calculate the vapour pressure at 25°C.