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EC number: 284-698-4 | CAS number: 84962-05-0
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:
- 2014
- 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
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: vapour pressure balance
- Specific details on test material used for the study:
- Identification: FAT #: 93580/A
Description: White-yellowish waxy solid
Lot: 0022357000
Purity: 94.3 %
Expiry Date: 15 December 2015
Storage Conditions: Room temperature in the dark - Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 2.6 other: mPa
- Conclusions:
- The vapour pressure of the test item was determined to be 2.6 mPa at 25 ºC using the vapour pressure balance method.
- Executive summary:
The purpose of the study was to evaluate the Vapour Pressure according to OECD Guideline 104 and in accordance with GLP. The vapour pressure was determined using a vapour pressure balance with measurements being made at several temperatures and linear regression analysis used to calculate the vapour pressure at 25 °C.
The vapour pressure of the test item has been determined to be 2.6 mPa at 25 ºC using the vapour pressure balance method.
Reference
The values of vapor pressure at 25 °C extrapolated from each graph are summarized in the following table:
Summary of Vapor Pressure Data
| Run | Log10 [Vp(25 °C)] |
Correlation (r2) |
7 |
-2.59 |
0.965 |
8 |
-2.54 |
0.974 |
9 |
-2.57 |
0.975 |
10 |
-2.66 |
0.983 |
Mean |
-2.59 |
0.974 |
| Vapour pressure | 2.6 mPa |
Description of key information
The vapour pressure of test item at 25 °C, using the vapour pressure balance method was determined to be 2.6 mPa.
Key value for chemical safety assessment
- Vapour pressure:
- 0.003 Pa
- at the temperature of:
- 25 °C
Additional information
The purpose of the study was to evaluate the Vapour Pressure according to OECD Guideline 104 and in accordance with GLP. The vapour pressure was determined using a vapour pressure balance with measurements being made at several temperatures and linear regression analysis used to calculate the vapour pressure at 25 °C.
The vapour pressure of the test item has been determined to be 2.6 mPa at 25 ºC using the vapour pressure balance method.
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