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EC number: 238-744-5 | CAS number: 14694-95-2
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Short-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
- 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:
- other: GLP compliant, guideline study, available as unpublished report, acceptable with restrictions
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
- Deviations:
- not specified
- GLP compliance:
- yes
- Analytical monitoring:
- yes
- Details on sampling:
- Analytical verification of the test concentration carried out after 0 and 48hr, and analysis of the stock solution was conducted at 0hr.
- Vehicle:
- no
- Details on test solutions:
- 1 g/L stock solution in synthetic freshwater lacking NaHCO3 was prepared, stirred for about 18 hours and filtered. A single test item concentration (nominal 12.4 mg/L) was used in a limit test.
- Test organisms (species):
- Daphnia magna
- Details on test organisms:
- Test organisms (species): Daphnia magna STRAUS, clone 5
Details on test organisms – source: Received from Bayer AG, Leverkusen, Germany then bred in house
Details on test organisms - Holding conditions prior to test: Maintained in M4 medium in 1L beakers. Fed with Scenedesmus subspicatus
Details on test organisms - life stage of test species used: Offspring less than 24 hrs old - Test type:
- static
- Water media type:
- freshwater
- Limit test:
- yes
- Total exposure duration:
- 48 h
- Post exposure observation period:
- No data
- Hardness:
- 250mg CaCO3/L
- Test temperature:
- 20 +- 1°C
- pH:
- 7.8 -8.6
- Dissolved oxygen:
- 8.2 - 8.4 mg/l
- Salinity:
- Not applicable
- Nominal and measured concentrations:
- Nominal: 12.4 mg/L
Measured concentrations did not deviate by more than 20% of nominal, therefore results are based on nominal concentrations. - Details on test conditions:
- Test vessel: round bottomed test tube
Aeration: None
No of organisms per vessel: 5
No of replicates per concentration: 4
Photoperiod: dark
Feeding: none - Reference substance (positive control):
- yes
- Remarks:
- potassium dichromate
- Key result
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 12 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Remarks on result:
- other: 24 and 48h EC50 >12mg/l (>water solubility). 12mg/l was the highest concentration that could be obtained under test conditions
- Details on results:
- Due to the low water solubility of the test item EC50 values after 24 and 48 h could not be determined
- Results with reference substance (positive control):
- After 24 hours, 40% immobilisation was seen at 1 mg/L and 100% immobilisation at 2 mg/L. The results demonstrate that the sensitivity of the individuals lies within the normal range.
- Validity criteria fulfilled:
- yes
- Remarks:
- Yes. < 10% of organisms had been immobilised or trapped at the surface of the water. DO at the end of the test was > 60% of the air saturation temp used. There was evidence that the concentration of the test item had been maintained during the test
- Conclusions:
- The 24 and 48 hr EC50 of tris(thiphenylphosphine)rhodium(I)chloride to Daphnia magna was >12mg/l (>water solubility). 12mg/l was the highest concentration that could be obtained under test conditions
- Executive summary:
This is a GLP compliant, guideline study and is considered suitable for use as the key study for this endpoint. A limit test was conducted at the limit of solubility. The test concentration was maintained within 80% of nominal throughout the study, based on analysis of DOC.
The 24 and 48 hr EC50 of tris(thiphenylphosphine)rhodium(I)chloride to Daphnia magna was >12mg/l (>water solubility). 12mg/l was the highest concentration that could be obtained under test conditions
Reference
Description of key information
The 24 and 48 hr EC50 of tris(thiphenylphosphine)rhodium(I)chloride to Daphnia magna was >12mg/l (>water solubility). 12mg/l was the highest concentration that could be obtained under test conditions.
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 12 mg/L
Additional information
Enste-Diefenbach (2002) is a GLP compliant, guideline study and is considered suitable for use as the key study for this endpoint. A limit test was conducted at the limit of solubility. The test concentration was maintained within 80% of nominal throughout the study, based on analysis of DOC.
The 24 and 48 hr EC50 of tris(thiphenylphosphine)rhodium(I)chloride to Daphnia magna was >12mg/l (>water solubility). 12mg/l was the highest concentration that could be obtained under test conditions.
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