Registration Dossier
Registration Dossier
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EC number: 911-351-2 | CAS number: -
Vapour pressure
Administrative data
Link to relevant study record(s)
Description of key information
One reliable key study is available on the registered reaction mass and the experimental value of vapour pressure at 25°C was determined to be: 3.7 x 10-4 Pa.Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 25 °C
Additional information
The vapour pressure was carried out according to Method A4 Vapour Pressure of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 104 of the OECD Guidelines for Testing Chemicals and GLP. No deviation from the guidelines was observed in the study.
The vapour pressure was determined using a vapour pressure balance with measurements being made at several temperatures and linear regression analysis was used to calculated the vapour pressure at 25°C.
A preliminary run was undertaken over the temperature range 20 to 105 °C to provide information for a suitable temperature range for the determination. A total of six runs were completed for the main sequence. Equilibrium with regard to vapour pressure was assessed to have been reached over the final four runs. Thus the final four runs have been used to calculate the definitive vapour pressure value for the test item.
The test item did not change in appearance under the conditions used in the determination. The vapour pressure of the test item has been determined to be 3.7*10-4Pa at 25°C.
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