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Registration Dossier
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EC number: 302-446-4 | CAS number: 94109-09-8
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:
- 2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 011
- Report date:
- 2011
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- Tri(tridecyl) benzene-1,2,4-tricarboxylate
- EC Number:
- 302-446-4
- EC Name:
- Tri(tridecyl) benzene-1,2,4-tricarboxylate
- Cas Number:
- 94109-09-8
- Molecular formula:
- C48H84O6
- IUPAC Name:
- tri(tridecyl) benzene-1,2,4-tricarboxylate
- Test material form:
- liquid
- Details on test material:
- - Moisture content: <= 0.1%
Constituent 1
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: Source : Lipo Chemicals Inc; Lot No: P-2960F-10
- Expiration date of the lot/batch: June 29, 2013
- Purity test date: > 99% (email dated February 17, 2011)
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Room temperature
- Stability under test conditions: stable
- Solubility and stability of the test substance in the solvent/vehicle: : Not data available
- Reactivity of the test substance with the solvent/vehicle of the cell culture medium: none
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:
Sampling and analysis
- Analytical monitoring:
- yes
Test solutions
- Vehicle:
- no
Test organisms
- Test organisms (species):
- Daphnia magna
- Details on test organisms:
- TEST ORGANISM
- Common name: Daphnia magna
- Source: in house culture; original culture was obtained from Aquatic BioSystems (Fort Collins, CO) on 17 August 2006 (identified by Vittor and Associates, Mobile, AL as D. magna; 14 July 2003)
- Feeding during test : none
ACCLIMATION
- Acclimation period:
- Acclimation conditions (same as test or not):
- 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:
Study design
- Test type:
- static
- Water media type:
- other: reconstituted water
- Total exposure duration:
- 48 h
Test conditions
- Hardness:
- Hardness of 92 mg/L as CaCO3
- Test temperature:
- 19.9 to 21.9°C
- pH:
- 7.8
- Dissolved oxygen:
- 8.7 to 9.0 mg/L
- Salinity:
- Na/K ratio 25.2
- Conductivity:
- 312 microS/cm
- Nominal and measured concentrations:
- 100 mg test item/L (Limit test)
- Details on test conditions:
- TEST SYSTEM
- Test vessel:250 mL glass beakers covered with Plexiglass
- Material, size, headspace, fill volume: Test volume 200 mL
- Aeration: before use in the test
- No. of organisms per vessel:5
- No. of vessels per concentration (replicates):4
TEST MEDIUM / WATER PARAMETERS
- Source/preparation of dilution water:
- Total organic carbon:
- Particulate matter:
- Metals:
- Pesticides:
- Chlorine:
- Alkalinity:
- Ca/mg ratio:
- Conductivity:
- Salinity:
- Culture medium different from test medium:
- Intervals of water quality measurement:
OTHER TEST CONDITIONS
- Adjustment of pH:
- Photoperiod:
- Light intensity:
EFFECT PARAMETERS MEASURED (with observation intervals if applicable) :
VEHICLE CONTROL PERFORMED: yes/no
RANGE-FINDING STUDY
- Test concentrations:
- Results used to determine the conditions for the definitive study: - Reference substance (positive control):
- yes
Results and discussion
Effect concentrations
- Key result
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- other: WAF
- Basis for effect:
- mobility
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- The effect of the test item on < 24h old Daphnia magna neonates by observing the immobilisation of test organisms, over a 48h exposure period, under controlled conditions to 0 and 100 mg/L (WAF nominal concentrations) of the test item.
Results : 0% immobilisation observed in all of the replicates of the control and 100 mg test item/L nominal concentration.
EC50 (nominal) > 100 mg/L (48h)
LOEC (nominal) > 100 mg/L (48h)
NOEC (nomial) = 100 mg/L (48h)
Not harmful to Daphnia Magna
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