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Diss Factsheets

Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Study period:
06 December 2017 to 12 January 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
Deviations:
not specified
Qualifier:
according to guideline
Guideline:
other: OECD Guidance Document, no 23. September 2000 (Guidance Document on Aquatic Toxicity Testing of Difficult Substances and Mixtures).
Deviations:
not specified
GLP compliance:
yes (incl. QA statement)
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: Maruzen Petrochemical Co LTD. 7706RXD
- Expiration date of the lot/batch: No Data
- Purity test date: No Data

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: The test sample was stored by freezing in a dark storage place.
- Stability under test conditions:
- Solubility and stability of the test substance in the solvent/vehicle:
- Reactivity of the test substance with the solvent/vehicle of the cell culture medium:

TREATMENT OF TEST MATERIAL PRIOR TO TESTING
- Treatment of test material prior to testing:
- Preliminary purification step (if any):
- Final dilution of a dissolved solid, stock liquid or gel:
- Final preparation of a solid:

FORM AS APPLIED IN THE TEST (if different from that of starting material)

TYPE OF BIOCIDE/PESTICIDE FORMULATION (if applicable)

OTHER SPECIFICS:
Analytical monitoring:
not specified
Test organisms (species):
Daphnia magna
Details on test organisms:
TEST ORGANISM
- Common name:
- Strain/clone: Clone A
- Justification for species other than prescribed by test guideline:
- Source: The University of Sheffield, UK
- Age of parental stock (mean and range, SD):
- Feeding during test
- Food type:
- Amount:
- Frequency:

ACCLIMATION
- Acclimation period:
- Acclimation conditions (same as test or not): same as test
- Type and amount of food:
- Feeding frequency:
- Health during acclimation (any mortality observed):

QUARANTINE (wild caught)
- Duration:
- Health/mortality:

METHOD FOR PREPARATION AND COLLECTION OF EARLY INSTARS OR OTHER LIFE STAGES:
Test type:
static
Water media type:
freshwater
Total exposure duration:
48 h
Test temperature:
20°C (+/- 1°C)
Key result
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
1.44 mg/L
Executive summary:

The study concludes that 48-hour EC50 was 1.44 mg/L.

Description of key information

The study concludes that 48 hour EC50 was 1.44 mg/L.

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
1.44 mg/L

Additional information