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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Short-term toxicity to aquatic invertebrates

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Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data

Data source

Reference
Reference Type:
review article or handbook
Title:
CHLOROACETIC ACID CAS N°: 79-11-8
Author:
UNEP Publications
Year:
1994
Bibliographic source:
http://www.inchem.org/documents/sids/sids/79118.pdf
Report date:
1994

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
No test method description available in the SIDS document
GLP compliance:
no

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:
2-Chloro-ethanoic acid

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
not specified
Water media type:
freshwater

Test conditions

Reference substance (positive control):
not specified

Results and discussion

Effect concentrations
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
75 mg/L
Basis for effect:
mobility

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
EC50 48h of 75 mg/L (for immobilization) was determined.