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EC number: 248-387-7 | CAS number: 27287-73-6
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:
- 30 August 2016 - 29 September 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7950 (Vapor Pressure)
- Deviations:
- no
- GLP compliance:
- no
- Remarks:
- No formal claim. Study conducted in a facility operating to GLP.
- Type of method:
- gas saturation method
- Key result
- Temp.:
- 25 °C
- Vapour pressure:
- < 0 Pa
- Temp.:
- 20 °C
- Vapour pressure:
- < 0 Pa
- Conclusions:
- The vapour pressure of the test substance has been determined to be < 5.0 x 10e-6 Pa at 20 °C and < 5.0 x 10e-6 Pa at 25 °C.
- Executive summary:
The study was performed to determine the density of the test substance using OECD method 104 and US EPA OPPTS 830.7950.
The vapour pressure of the test substance has been determined using the gas saturation method to be < 5.0 x 10-6 Pa at 20 °C and < 5.0 x 10-6 Pa at 25 °C.
Reference
The results of the experiments are tabulated below:
Test Temperature (°C) |
Volume N2(m3n) |
*Amount collected (μg) in 1st trap |
*Amount collected (μg) in 2nd trap |
Total amount collected (μg) |
Vapour pressure (Pa) |
25.1 |
0.541 |
0.00 |
0.00 |
0.00 |
< 5.03 x 10-6 |
25.1 |
0.710 |
0.00 |
0.00 |
0.00 |
< 3.83 x 10-6 |
25.1 |
0.795 |
0.00 |
0.00 |
0.00 |
< 3.43 x 10-6 |
The vapour pressure of the test substance at 25 °C is lower than the 1 x 10 -5 Pa limit; therefore the vapour pressure curve was not determined. No test substance was detected in the condensation tubes indicating the vapour pressure must be very low.
The upper limit for the vapour pressure was determined by using the lowest calibration concentration (0.198 μg of test item). Substituting this value into the vapour pressure calculation gave an upper limit for the vapour pressure. Since no test item peak was found then the vapour pressure of the test substance must be < 5.0 x 10-6 at 25 °C.
Description of key information
The vapour pressure of the test substance has been determined using the gas saturation method to be < 5.0 x 10-6Pa at 20 °C and < 5.0 x 10-6Pa at 25 °C.
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 25 °C
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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