Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 225-625-8 | CAS number: 4979-32-2
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
- Principles of method if other than guideline:
- The Henry's law constant (HLC) is directly calculated as a ratio of the vapor pressure (<0.00001 Pa at 25°C) to the water solubility (<0.05 mg/l at 20°C). The molecular weight (346.55 g/mol) of DCBS was also used for estimation.
- GLP compliance:
- no
- Key result
- H:
- 0.069 Pa m³/mol
- Conclusions:
- The Henry's law constant of DCBS is 0.069 Pa m3/mol at ambient temperature, which is directly estimated as the ratio between the vapour pressure (LAUS, 2010) and water solubility (Currenta, 2010). It is much lower than 1 Pa m3/mol and hence DCBS is essentially non-volatile according to the scheme of Thomas (1990).
- Executive summary:
The Henry's law constant of DCBS is 0.069 Pa m3/mol at ambient temperature, which is directly estimated as the ratio between the vapour pressure (LAUS, 2010) and water solubility (Currenta, 2010). It is much lower than 1 Pa m3/mol and hence DCBS is essentially non-volatile according to the scheme of Thomas (1990).
Reference
at ambient temperature (20 -25°C)
Description of key information
The Henry's law constant of DCBS is 0.069 Pa m3/mol at ambient temperature, which is directly estimated as the ratio between the vapour pressure (LAUS, 2010) and water solubility (Currenta, 2010). It is much lower than 1 Pa m3/mol and hence DCBS is essentially non-volatile according to the scheme of Thomas (1990).
Key value for chemical safety assessment
- Henry's law constant (H) (in Pa m³/mol):
- 0.069
- at the temperature of:
- 20 °C
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
