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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Sediment toxicity

Currently viewing:

Administrative data

Endpoint:
sediment toxicity: long-term
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Original paper not available but peer reviewed in EU Risk assessment.

Data source

Referenceopen allclose all

Reference Type:
secondary source
Title:
3,4-dichloroaniline (3,4-DCA)
Author:
EU-Risk Assessment Report
Year:
2006
Bibliographic source:
EUR 22235 EN; ISSN 1018-5593
Reference Type:
publication
Title:
Unnamed
Year:
2000

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
Long term test with Lumbriculus variegatus.
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
3,4-dichloroaniline
EC Number:
202-448-4
EC Name:
3,4-dichloroaniline
Cas Number:
95-76-1
Molecular formula:
C6H5Cl2N
IUPAC Name:
3,4-dichloroaniline

Test organisms

Test organisms (species):
Lumbriculus variegatus

Study design

Study type:
laboratory study
Test type:
not specified
Water media type:
freshwater
Type of sediment:
artificial sediment
Limit test:
no
Exposure duration
Duration:
28 d
Exposure phase:
total exposure duration

Results and discussion

Effect concentrationsopen allclose all
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
25.2 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality
Duration:
14 d
Dose descriptor:
NOEC
Effect conc.:
5 mg/kg sediment dw
Conc. based on:
test mat.
Basis for effect:
reproduction
Duration:
14 d
Dose descriptor:
LOEC
Effect conc.:
25 mg/kg sediment dw
Conc. based on:
test mat.
Basis for effect:
reproduction

Any other information on results incl. tables

For Lumbriculus variegatus a NOEC of 5 mg/kg dw was found for the total number of worms. This can be seen as the endpoint

relevant for the assessment.

Applicant's summary and conclusion