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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Long-term toxicity to aquatic invertebrates

Administrative data

Endpoint:
long-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Secondary source only

Data source

Referenceopen allclose all

Reference Type:
secondary source
Title:
Chloroacetic acid, CAS No: 79-11-8
Author:
OECD SIDS
Year:
1996
Bibliographic source:
http://www.inc hem.org/doc uments/sids/s ids/79118.pdf
Reference Type:
publication
Title:
Results of the harmful effects of water pollutants to Daphnia magna in the 21 day reproduction test.
Author:
Kuhn, R.
Year:
1989
Bibliographic source:
Water Research, 23(4), 501-510

Materials and methods

Principles of method if other than guideline:
Semi-static; 21-day exposure. Endpoints measured: reproduction, mortality, time for the first appearance of offspring.
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Chloroacetic acid
EC Number:
201-178-4
EC Name:
Chloroacetic acid
Cas Number:
79-11-8
Molecular formula:
C2H3ClO2
IUPAC Name:
chloroacetic acid
Details on test material:
- Name of test material (as cited in study report): Chloroacetic acid
- Analytical purity: no data

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
semi-static
Water media type:
freshwater
Total exposure duration:
21 d

Results and discussion

Effect concentrations
Duration:
21 d
Dose descriptor:
NOEC
Effect conc.:
32 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
reproduction
Remarks on result:
other: The test is conducted at a pH>pKa (= 2.8)

Applicant's summary and conclusion