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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2001
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The results are reported from the Ministry of the Environment in Japan. Since this is an official source from an authority the results are considered reliable even if exp. details were not reported.

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
2012

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Ethyl trichloroacetate
EC Number:
208-212-7
EC Name:
Ethyl trichloroacetate
Cas Number:
515-84-4
Molecular formula:
C4H5Cl3O2
IUPAC Name:
ethyl 2,2,2-trichloroacetate
Details on test material:
CAS 515-84-4
No further details were provided

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
Total exposure duration:
48 h

Results and discussion

Effect concentrations
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
160 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
other: immobilization

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Executive summary:

The EC50 of 160 mg Ethyl trichloroacetate/L was reported. The test was performed according to the OECD guideline.

The results are reported from the Ministry of the Environment in Japan. Since this is an official authority site the results are considered reliable even if exp. details were not reported.