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Administrative data

Endpoint:
short-term toxicity to fish
Type of information:
experimental study
Adequacy of study:
key study
Study period:
17 December 2001 to 21 December 2001
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2002
Report date:
2002

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 203 (Fish, Acute Toxicity Test)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
(1R,4R,5S)-6,6-dimethyl-4-(tribromomethyl)-3-oxabicyclo[3.1.0]hexan-2-one
Cas Number:
87305-03-1
Molecular formula:
C8H9Br3O2
IUPAC Name:
(1R,4R,5S)-6,6-dimethyl-4-(tribromomethyl)-3-oxabicyclo[3.1.0]hexan-2-one

Test organisms

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

Study design

Test type:
semi-static
Water media type:
freshwater
Total exposure duration:
96 h

Test conditions

Hardness:
ca. 100 mg CaCO3/l
Test temperature:
14°C
pH:
7.4-7.7
Dissolved oxygen:
8.9-10.3 mg O2/l
Nominal and measured concentrations:
100 to 102 expresses as precent of the initial concentration

Results and discussion

Effect concentrationsopen allclose all
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
2.8 mg/L
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Remarks on result:
other: 2.4-3.4
Duration:
96 h
Dose descriptor:
NOEC
Effect conc.:
1.8 mg/L

Applicant's summary and conclusion