Registration Dossier
Registration Dossier
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EC number: 236-308-9 | CAS number: 13291-61-7
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- (Q)SAR
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- accepted calculation method
- Justification for type of information:
- For the calculation EPI Suite (MPBPVP v1.43) was used.
This is an accepted calculation method and EPI Suite is generally recommended by the Guidance documents. - Qualifier:
- no guideline required
- Principles of method if other than guideline:
- For a calculation method a test guideline is generally not required.
- GLP compliance:
- no
- Remarks:
- GLP compliance is only relevant for experimental studies and thus not applicable.
- Key result
- Test no.:
- #1
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
- Key result
- Test no.:
- #1
- Temp.:
- 25 °C
- Vapour pressure:
- 0 mm Hg
- Conclusions:
- The vapour pressure calculated with EPI Suite was determined to be 1.03E-10 Pa at 25 °C.
- Executive summary:
EPI Suite and the implemented calculation method (MPBPVP v1.43) are accepted methods for the determination of physical-chemical properties by QSAR.
A very low vapour pressure for the test substance is reasonable as it is a solid substance that does not melt or sublime up to ca. 200 °C.
The registrant is aware of remeining uncertainties caused by the methods used for calculation.
Nevertheless an experimental study is not justified because of the very low vapour pressure. The relevant guideline (OECD 104) describes different methods with their recommended ranges. The lowest detectable limit is stated with 1E-10. Thus the vapour pressure of the test substance can be considered to be around or even below the limit that can be detected with recommended experimental methods.
Reference
Description of key information
The vapour pressure calculated with EPI Suite was determined to be 1.03E-10 Pa at 25 °C.
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 25 °C
Additional information
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