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EC number: 233-634-3 | CAS number: 10287-53-3
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- other: Estimated values
- Adequacy of study:
- key study
- Study period:
- 10 November 2017
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Qualifier:
- according to guideline
- Guideline:
- other: REACH Guidance on QSARs R.6
- Version / remarks:
- May/ July 2008
- Deviations:
- no
- Principles of method if other than guideline:
- The vapour pressure of the test material was estimated using MPBPWIN© v 1.43 (U.S. Environmental Protection Agency, 2010) as 0.593 Pa using the Modified Grain Method.
- GLP compliance:
- no
- Remarks:
- No laboratory work was performed in this study. GLP is therefore not required.
- Type of method:
- other: calculation
- Key result
- Test no.:
- #1
- Temp.:
- 25 °C
- Vapour pressure:
- 0.004 mm Hg
- Key result
- Test no.:
- #1
- Temp.:
- 25 °C
- Vapour pressure:
- 0.593 Pa
- Conclusions:
- The vapour pressure of the test material was 0.593 Pa at 25 °C using the Modified Grain Method.
- Executive summary:
The vapour pressure of the test material was estimated using MPBPWIN© v 1.43 (U.S. Environmental Protection Agency, 2010).
The following parameters were used to generate the estimation: CAS Number: 10287-53-3, Melting Point: 63.4 °C (Woodland C, 2017, Speedcure EDB: C130-1506012(S) Physical Properties - REACH, Report No. 149A_2016).
The estimation of vapour pressure at 25 °C was calculated by MPBPWIN© using three methods: Antoine Method, Modified Grain Method and Mackay Method. The test material is described as a white to off-white powder and is not a hydrocarbon or halogenated hydrocarbonand therefore the Modified Grain method is considered most appropriate for estimating the vapour pressure of this material.
The vapour pressure of the test material was 0.593 Pa at 25 °C using the Modified Grain Method.
Reference
Vapour Pressure Estimations (25 °C), using BP: 268.61 °C (estimated) and MP: 63.40 °C
VP (Antoine Method): 0.00427 mm Hg: 0.57 Pa
VP (Modified Grain Method): 0.00445 mm Hg: 0.593 Pa
VP (Mackay Method): 0.00769 mm Hg: 1.02 Pa
Selected VP (Modified Grain Method): 0.00445 mm Hg: 0.593 Pa
Subcooled liquid VP (25 °C, Mod-Grain method): 0.0102 mm Hg: 1.36 Pa
Description of key information
The vapour pressure of the test material was 0.593 Pa at 25 °C using the Modified Grain Method.
Key value for chemical safety assessment
- Vapour pressure:
- 0.593 Pa
- at the temperature of:
- 25 °C
Additional information
The vapour pressure of the test material was estimated using MPBPWIN© v 1.43 (U.S. Environmental Protection Agency, 2010). The study was awarded a reliability score of 2 in accordance with the criteria set forth by Klimisch et al. (1997).
The following parameters were used to generate the estimation: CAS Number: 10287-53-3, Melting Point: 63.4 °C (Woodland C, 2017, Speedcure EDB: C130-1506012(S) Physical Properties - REACH, Report No. 149A_2016).
The estimation of vapour pressure at 25 °C was calculated by MPBPWIN© using three methods: Antoine Method, Modified Grain Method and Mackay Method. The test material is described as a white to off-white powder and is not a hydrocarbon or halogenated hydrocarbonand therefore the Modified Grain method is considered most appropriate for estimating the vapour pressure of this material.
The vapour pressure of the test material was 0.593 Pa at 25 °C using the Modified Grain Method.
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