Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Type of information:
other: Migrated dataset
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Adopted according to OECD SIDS. The original source is not available and has not been reviewed.

Data source

Referenceopen allclose all

Reference Type:
secondary source
Title:
1,3-Dichlorobut-2-ene - CAS No: 926-57-8
Author:
OECD SIDS
Year:
2007
Bibliographic source:
SIDS Initial Assessment Report for 22th SIAM, UNEP Publications
Reference Type:
study report
Title:
Unnamed
Year:
1971

Materials and methods

Principles of method if other than guideline:
Migrated dataset; other: no data
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
1,3-dichlorobut-2-ene
EC Number:
213-138-3
EC Name:
1,3-dichlorobut-2-ene
Cas Number:
926-57-8
Molecular formula:
C4H6Cl2
IUPAC Name:
1,3-dichlorobut-2-ene
Details on test material:
purity: 100%

Test organisms

Test organisms (species):
other: diatoms

Study design

Test type:
not specified
Water media type:
not specified
Total exposure duration:
7 d

Test conditions

Test temperature:
18 +/-1 °C
Details on test conditions:
- closed system

Results and discussion

Effect concentrations
Duration:
7 d
Dose descriptor:
EC50
Effect conc.:
6.6 other: ppm
Nominal / measured:
not specified
Conc. based on:
test mat.
Basis for effect:
not specified

Applicant's summary and conclusion