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Physical & Chemical properties

Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
17 November 1999
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reason / purpose for cross-reference:
reference to other study
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
GLP compliance:
yes (incl. QA statement)
Type of method:
other: Modified Watson equation method
Temp.:
25 °C
Vapour pressure:
< 0 Pa
Remarks on result:
other: calculated using the modified Watson correlation

Using the experimental observation that the boiling point of SDBR must be higher than 370ºC at 10 mmHg, the maximum vapour pressure at 25ºC was calculated to be 3*10E-12 Pa.

Conclusions:
The vapour pressure of SDBR at 25ºC was concluded to be smaller than 10E-5 Pa and was estimated roughly to be smaller than 3*10E-12 Pa.

Description of key information

The vapour pressure of SDBR at 25ºC was concluded to be smaller than 10E-5 Pa and was estimated roughly to be smaller than 3*10E-12 Pa.

Key value for chemical safety assessment

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

Additional information