Registration Dossier
Registration Dossier
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EC number: 222-883-3 | CAS number: 3648-18-8
Vapour pressure
Administrative data
Link to relevant study record(s)
Description of key information
Dreisch S & Franke J (2013), OECD 113, EU Method A.4, OECD 104, EPA OPPTS 830.7950, the vapour pressure of the test material was determined to be 0.0015, 0.0022 and 0.011 Pa at temperatures of 20, 25 and 50 °C, respectively.
Key value for chemical safety assessment
- Vapour pressure:
- 0.002 Pa
- at the temperature of:
- 25 °C
Additional information
In the key study (Dreisch & Franke, 2013), the thermal stability of the test material was determined in accordance with the standardised guideline OECD 113. Following investigation by Differential Scanning Calorimetry, an exothermic event was observed at temperatures between 160 and 220 °C with an energy of -50 J/g. Subsequently, the vapour pressure of the test material was determined in accordance with standardised guidelines EU Method A.4, OECD 104 and EPA OPPTS 830.7950 using the effusion (vapour pressure balance) method. Under the conditions of the study, the vapour pressure of the test material at temperatures of 20, 25 and 50 °C were determined to be 0.0015, 0.0022 and 0.011 Pa, respectively. A reliability score of 1 was assigned, in accordance with the criteria for assigning data quality in line with the principles described by Klimisch (1997).
Supporting information is available from Guide Chem (2012) which recorded the vapour pressure of the test material as 1.18E-16 mm Hg at 25°C. The method used has not been recorded. Since the data is taken from an abstract of an internet source with no reported methodology; it is not possible to assess the accuracy of the information. A reliability score of 4 was therefore assigned, in accordance with the criteria for assigning data quality in line with the principles described by Klimisch (1997).
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