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Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7950 (Vapor Pressure)
Deviations:
no
GLP compliance:
yes
Type of method:
spinning rotor
Temp.:
20 °C
Vapour pressure:
0.149 Pa
Remarks on result:
other: ± 0.002 Pa

Vapour pressure at 20 ± 1ºC was 0.149 ± 0.002 Pa (N = 3, CV = 1.0%).

Conclusions:
The vapour pressure of terephthaloyl dichloride at 20 ± 1ºC was 0.149 ± 0.002 Pa (N = 3, CV = 1.0%) using the spinning rotor gauge method.
Executive summary:

The vapour pressure of the test substance was measured in accordance with OECD Guideline 104. The vapour pressure at 20 ± 1ºC was 0.149 ± 0.002 Pa (N = 3, CV = 1.0%) using the spinning rotor gauge method.

Description of key information

OECD Guideline 104

Key value for chemical safety assessment

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

Additional information

Due to the rapid hydrolysis of terephthaloyl dichloride, data for the primary degradation product, terephthalic acid, is provided. Vapour pressure of terephthalic acid is 0.0012 Pa at 25ºC.