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EC number: 910-757-7 | CAS number: -
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:
- supporting study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- documentation insufficient for assessment
- Principles of method if other than guideline:
- Calculated
- GLP compliance:
- not specified
- H:
- 0.002 other: atm cm3/mole
- Atm. press.:
- 1 013 hPa
- Conclusions:
- Henry's law constant for DVB has been calculated to be 2.253E-3 atm cm3/mole. The compnents of DVB-55, -65, and -HP are concluded to be highly volatile from water.
- Executive summary:
Henry's law constant for DVB has been calculated to be 2.253E-3 atm cm3/mole.
Reference
Description of key information
The components of DVB-55, -65, and -HP have estimated Henry's Law Constants of approximately 0.002 atm*m3/mole (~200 Pa*m3/mole) and are thus expected to have high potential for volatilization from water.
Key value for chemical safety assessment
- Henry's law constant (H) (in Pa m³/mol):
- 200
- at the temperature of:
- 20 °C
Additional information
Estimated Henry's Law Constant was generated using the group contribution method of U.S. EPA HENRYWIN software. The prediction indicates a Henry's Law Constant of 0.0022 atm*m3/mole at 25 °C. The ratio of measured vapour pressure to water solubility at 20°C gives an estimated Henry's Law Constant of 0.0018 atm*m3/mole (182 Pa*m3/mole). Therefore, the substances may be regarded as being highly volatile from water.
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