Registration Dossier
Registration Dossier
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EC number: 618-804-0 | CAS number: 919-94-8
Henry's Law constant
Administrative data
Link to relevant study record(s)
Description of key information
A Henry's law constant of 81.6 Pa m3/mol at environmental temperature (12 °C) will be used for TAEE in the assessment.
Key value for chemical safety assessment
- Henry's law constant (H) (in Pa m³/mol):
- 81.6
- at the temperature of:
- 12 °C
Additional information
For TAEE, the mean vapour pressure at 20 °C was calculated from the experimental regression equations to be 4,361 Pa, and the water solubility was 3,917 mg/l at 20 °C (Covance Laboratories Ltd, 2009a). Using the molecular mass of 116 g/mol, this solubility may be expressed as 33.71 mol/m3 (3,917 divided by 116). The Henry's law constant (H) is therefore 129 Pa m3/mol at 20 °C and the log value is 2.11. This corresponds to a Henry's law constant of 72.9 Pa m3/mol at environmental temperature (12 °C); this value will be used in the assessment.
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