Registration Dossier
Registration Dossier
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EC number: 246-613-9 | CAS number: 25103-09-7
Vapour pressure
Administrative data
Link to relevant study record(s)
Description of key information
the vapour pressure of IOTG at 20°C and 25°C under normal pressure of 101.3kPa:
3.1 +/- 0.35 Pa @20°C(293.15K)
4.6 +/- 0.38 Pa @25°C (298.15)
Key value for chemical safety assessment
- Vapour pressure:
- 3.1 Pa
- at the temperature of:
- 293.15 K
Additional information
Measurements in Tremain's Safepharm Laboratory study were conducted with an isoteniscope under nearly normal pressure with boiling point high above the estimated decomposition point. Moreover the methodology in OECD Guideline method 104 mentions that vapor pressure between 0.1 and 20 Pa are difficult to measure with the isoteniscope method.
Therefore the study selected to characterize the vapour pressure of IOTG is the study carried out by Scheer, Sablowski, Fölsing at the central laboratory BRUNO BOCK Chemische Fabrik.
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