Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
phototransformation in water
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Basic data given

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Evolution non biologique dans l'eau de composes organohalogenes a trois et quatre atomes de carbone: hydrolyse et photolyse. Non biological evolution, in water, of some three- and four-carbon atoms organohalogenated compounds: hydrolysis and...
Author:
Milano JC, Guibourg A, Vernet JL
Year:
1988
Bibliographic source:
Water Res. 22 (12), 1553-1562.
Reference Type:
secondary source
Title:
1,4-Dichlorobut-2-ene - CAS No: 764-41-0
Author:
OECD SIDS
Year:
2006
Bibliographic source:
SIDS Initial Assessment Report for 22th SIAM, UNEP Publications

Materials and methods

Principles of method if other than guideline:
other: see freetext in "Any other informations on materials and methods incl. tables"
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
1,4-dichlorobut-2-ene
EC Number:
212-121-8
EC Name:
1,4-dichlorobut-2-ene
Cas Number:
764-41-0
Molecular formula:
C4H6Cl2
IUPAC Name:
1,4-dichlorobut-2-ene
Details on test material:
other TS: 1,4-Dichlorobut-2-ene, purity not specified

Study design

Light source:
other: medium mercury vapour UV lamp

Results and discussion

Any other information on results incl. tables

The results relate to the cis- and trans-form of 1,4-dichlorobut-2-ene
- Half-life in demineralized water: 60 < t1/2 < 180 min
- Half-life in demineralized water in the presence of added hydrogen  peroxide: t1/2 < 30 min

Applicant's summary and conclusion