Registration Dossier
Registration Dossier
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EC number: 213-651-2 | CAS number: 998-40-3
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2017-03-08 - 2017-05-03
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study conducted to GLP in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- European Community (EC), EC no. 761/2009, Part A: Methods for the Determination of Physico-Chemical Properties, Guideline A.4: “Vapour Pressure", Official Journal of the European Union no. L220, August 24, 2009.
United States Environmental Protection Agency (EPA), Product Properties Test Guidelines no. OPPTS 830.7950: "Vapour pressure", August 1996. - Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- effusion method: isothermal thermogravimetry
- Key result
- Test no.:
- #1
- Temp.:
- 20 °C
- Vapour pressure:
- 0.019 hPa
- Test no.:
- #2
- Temp.:
- 25 °C
- Vapour pressure:
- 0.036 hPa
- Conclusions:
- The vapour pressure of the test item at 20°C and 25°C was 0.019 hPa and 0.036 hPa, respectively.
- Executive summary:
The vapour pressure of the test item at 20°C and 25°C was 0.019 hPa and 0.036 hPa, respectively.
Reference
The method is validated in the range 10-8 - 103 Pa using a set of five reference substances with known vapour pressures. The validity of the method was verified maximum one month before this study using hexachlorobenzene as reference control substance. Since the logarithm of the evaporation rate at 20°C (log vT, 20) deviated < 10% from the average value obtained during the validation test, it was possible to apply the constants obtained with the validation test for the determination of the vapour pressure of the test item.
Description of key information
The vapour pressure of the test item at 20°C and 25°C was 0.019 hPa and 0.036 hPa, respectively.
Key value for chemical safety assessment
- Vapour pressure:
- 0.019 hPa
- at the temperature of:
- 20 °C
Additional information
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