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EC number: 206-354-4 | CAS number: 330-54-1
Henry's Law constant
Administrative data
Link to relevant study record(s)
- Endpoint:
- Henry's law constant
- Type of information:
- calculation (if not (Q)SAR)
- Remarks:
- Migrated phrase: estimated by calculation
- Adequacy of study:
- other information
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: accepted calculation method
- Principles of method if other than guideline:
- Calculation of the Henry's Law Constant (KH) at 20 °C according to D. Mackay, W.Y. Shiu, R.P.Sutherland, Environ. Sci. Techn. 13, 333 -337 (1979)
- GLP compliance:
- no
- H:
- 0 atm m³/mol
- Temp.:
- 20 °C
- Remarks on result:
- other: actual value 2e-11
- Executive summary:
The calculation of Henry's constant of KH = 2.03 x 10 -6 Pa m3 mole -1 at 20 °C, demonstrates that Diuron is extremely non-volatile
Reference
2 x 10-11 Atm x m³/Mole, 20 °C is equivalent to 2.03 x 10 -6 Pa x m3/Mole, 20 °C
[1 atm = 101.32499 kPa]Description of key information
Diuron is extremely non-volatile.
Key value for chemical safety assessment
Additional information
The Henry Constant was calculated as 2.0E-11 Pa x m3/mole (20 °C). The substance is thus considered not to be volatile and will not evaporate into the atmosphere from the water surface.
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