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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.

Diss Factsheets

Environmental fate & pathways

Henry's Law constant

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Administrative data

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:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: Documentation is insufficient for assessment (taking into account all available data)

Data source

Reference
Reference Type:
publication
Title:
Etude de l'evaporation de quelques hydrocarbures halogenenes de faible masse moleculaire dissous a l'etat de traces dans l'eau.
Author:
Albanese V, Milano JC, Vernet JL
Year:
1987
Bibliographic source:
Environ. Technol. Lett. 8, 657-668.

Materials and methods

Principles of method if other than guideline:
other: Calculation according to Dilling (1977): Interphase transfer processes. Evaporation rates of chloro methanes, ethanes, ethylenes, propanes, and propylenes from dilute aqueous solutions. Comparison with theoretical predictions. Environ. Sci. Technol. 11(4), 405-409.
GLP compliance:
not specified

Test material

Constituent 1
Reference substance name:
Automatically generated during migration to IUCLID 6, no data available
IUPAC Name:
Automatically generated during migration to IUCLID 6, no data available
Details on test material:
TS-Freetext:
cis- and trans-1,4-dichlorobut-2-ene, purity not specified

Results and discussion

Any other information on results incl. tables

RS-Freetext:
A Henry's Law Constant for the cis-isomer of 1,4-dichlorobut-2-ene of  515.2 Pa*m³/mol is estimated using a vapour pressure of 4.4 hPa and a  water solubility of 580 mg/l.
A Henry's Law Constant for the trans-isomer of 1,4-dichlorobut-2-ene of  316.5 Pa*m³/mol is estimated using a vapour pressure of 3.9 hPa and a  water solubility of 850 mg/l.

Applicant's summary and conclusion