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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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
1994

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
EPA OPP 72-2 (Aquatic Invertebrate Acute Toxicity Test)
Deviations:
not applicable
Principles of method if other than guideline:
see attached report
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
1-methylpyridinio-3-carboxylate
EC Number:
208-620-5
EC Name:
1-methylpyridinio-3-carboxylate
Cas Number:
535-83-1
Molecular formula:
C7H7NO2
IUPAC Name:
1-Methylpyridinio-3-carboxylate
Test material form:
not specified

Sampling and analysis

Analytical monitoring:
not required

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
other: Balanidae

Study design

Test type:
static
Water media type:
saltwater
Limit test:
no
Total exposure duration:
24 h

Test conditions

Reference substance (positive control):
not required

Results and discussion

Effect concentrations
Key result
Duration:
24 h
Dose descriptor:
LC50
Effect conc.:
> 2 - <= 10 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
LC50(24)>2 mg/L