Registration Dossier

Administrative data

Endpoint:
short-term toxicity to fish
Type of information:
experimental study
Adequacy of study:
key study
Study period:
February 1990
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: According to OECD Guideline 203 and GLP Standard.
Cross-reference
Reason / purpose:
reference to same study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1990
Report Date:
1990

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 203 (Fish, Acute Toxicity Test)
Deviations:
no
Principles of method if other than guideline:
Not applicable.
GLP compliance:
yes (incl. certificate)

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
other: liquid
Details on test material:
Name for report: P0087
Batch No.: TK1-19.09.89
Purity: 99.7%

Sampling and analysis

Analytical monitoring:
yes

Test solutions

Vehicle:
no

Test organisms

Test organisms (species):
Oncorhynchus mykiss (previous name: Salmo gairdneri)

Study design

Test type:
flow-through
Water media type:
freshwater
Limit test:
no
Total exposure duration:
96 h

Results and discussion

Effect concentrations
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
1 340 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality

Any other information on results incl. tables

An analytical control of the nominal concentration of the test material in water should have been performed. However, the mortality to fish is caused in the range of the nominal concentration of the test material of 100 mg/L up to 1800 mg/L. In this range of nominal concentration the active ingredient should be very well soluble in water (120 g/L). Therefore, it can be concluded that the nominal concentraion is causing the mortality.

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
In an acute toxicity study on rainbow trout (Oncorhynchus mykiss) the 96 hour LC50 was determined to be 1340 mg/L.
Executive summary:

An acute toxicity study on rainbow trout was carried out in year 1990 according to OECD Guideline 203 and GLP.

The procedure used in this investigation corresponded to a flow-through test with continuous aeration. The 96 hour LC50 was

determined to be 1340 mg/L.