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EC number: 219-006-1 | CAS number: 2312-35-8
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)
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- accepted calculation method
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Calculation of Henry's Law Constant
- GLP compliance:
- not specified
- Key result
- H:
- 0 atm m³/mol
- Temp.:
- 20 °C
- Conclusions:
- The Henry's Law constant of 2-(4-tert-butylphenoxy)cyclohexyl prop-2-ynyl sulphite was determined by calculation to be 6.4 x 10E-7 atm m3/mole.
- Executive summary:
The Henry's Law constant of 2-(4-tert-butylphenoxy)cyclohexyl prop-2-ynyl sulphite was determined by calculation to be 6.4 x 10E-7 atm m3/mole.
Reference
Pvp = 4.04 x 10-5 Pa = 3.0 x 10-7 mmHg
S = 215 µg/L = 2.15 x 10-7 g/mL
H = Pvp x 1 atm/760 mm / (S x 1/(mol wt) x 1 x 106 mL/m3)
H = 3.0 x 10-7 mm x 1 atm/760 mm / (2.15 x 10-7 g/mL x 1/350.0 g/mole x 1 x 106 mL/m3
Description of key information
The Henry's Law constant of 2-(4-tert-butylphenoxy)cyclohexyl prop-2-ynyl sulphite was determined by calculation to be 6.4 x 10E-7 atm m3/mole (calculated to be 0.064848 Pa/mole).
Key value for chemical safety assessment
- Henry's law constant (H) (in Pa m³/mol):
- 0.065
- at the temperature of:
- 20 °C
Additional information
The value of 6.4 x 10-7 at m3/mole has been determined to be equivalent to 0.000026 (dimensionless)
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