Registration Dossier
Registration Dossier
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EC number: 807-365-2 | CAS number: 127961-54-0
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:
- Sept. 9, 2014-Oct. 22, 2014
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- GLP compliance:
- yes
- Type of method:
- gas saturation method
- Key result
- Test no.:
- #1
- Temp.:
- 25 °C
- Vapour pressure:
- < 0.002 Pa
- Conclusions:
- The vapor pressure of the test substance is < 0.0024 Pa at 25 degrees C.
- Executive summary:
The vapor pressure of the test substance was determined in an OECD Guideline 104 test.
Since no test substance was detected at 40 degrees C, it is estimated that no test substance would be detected at 25 degrees C. The vapor pressure of the test substance is therefore lower than the detection limit of 0.0024 Pa at 25 degrees C.
Reference
Individual Results
Please find below the individual results for vapor pressure (note: 313 K = 40 ºC).
Gas constant, R = 0.08206
Temperature (K) = 313
MDL (mg/L) = 63.67
Volume extracted (µL) = 3000
TS detected (g) = < 0.0001910
Moles TS detected (n) = < 2.94E-07
| Parameter | Trial 1A | Trial 1B | Trial 2A | Trial 2B |
| Vol of gas flow | 104.478 | 104.596 | 197.234 | 317.437 |
| Pv (atm) | < 7.22E-08 | < 7.21E-08 | < 3.82E-08 | < 2.37E-08 |
| Pv (Pascals) | < 0.007311 | < 0.007303 | < 0.003873 | < 0.002406 |
| Pv (mm Hg) | < 5.48E-05 | < 5.48E-05 | < 2.90E-05 | < 1.80E-05 |
MDL = Method Detection Limit, TS = Test Substance
The final trial with the lowest amount was considered the vapor pressure result.
Final Result
The vapor pressure of the test item was estimated to be < 0.0024 Pa at 40 ºC; therefore, it is also estimated to be < 0.0024 Pa at 25 ºC.
Description of key information
Vapor pressure is < 0.0024 Pa (OECD 104, gas saturation method).
Key value for chemical safety assessment
Additional information
Since no test substance was detected at 40 °C, it is estimated that no test substance would be detected at 25 °C. The vapor pressure of the test substance is therefore lower than the detection limit of 0.0024 Pa at 25 °C.
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