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Diss Factsheets
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EC number: 943-325-1 | CAS number: -
- 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
- Study period:
- 17 October 2005 to 05 December 2005
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study according to the guideline under GLP
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.2 (Acute Toxicity for Daphnia)
- GLP compliance:
- yes (incl. QA statement)
- Analytical monitoring:
- yes
- Details on sampling:
- - Concentrations: 0 and 100 mg/L
- Sampling method: taken in duplicate at 0 (before daphnids were added) and 48 hours; test substance analyses: both duplicates (0 h), pooled sample in duplicate (48 h): controls single sample analysed in duplicate
- Sample storage conditions before analysis: stored at 4 °C and analysed after the 48 hours samples were taken - Vehicle:
- no
- Details on test solutions:
- 31.1 mg of the substance was dissolved in 300 mL water and stirred during 5 minutes at room temperature just before introduction of the daphnids..
- Test organisms (species):
- Daphnia magna
- Details on test organisms:
- TEST ORGANISM
- Strain: Daphnia magna Straus
- Source: inhouse bred
- Age at study initiation: < 24 hours
- Feeding during test: none - Test type:
- static
- Water media type:
- freshwater
- Limit test:
- yes
- Total exposure duration:
- 48 h
- Hardness:
- 250 mg/L as CaCO3
- Test temperature:
- 20-21 °C
- pH:
- 7.6-8.0
- Dissolved oxygen:
- 8.7-9.0 mg/L (96-101% of saturation)
- Nominal and measured concentrations:
- nominal: 0 and 100 mg/L
measured: ND and 98-99% of nominal - Details on test conditions:
- TEST SYSTEM
- Test vessel: 250 mL
- Type : closed with glass plate
- Material, size, headspace, fill volume: wide glass beaker containing 50 mL test solution
- Aeration: none
- No. of organisms per vessel: 5
- No. of vessels per concentration (replicates): 4
- No. of vessels per control (replicates): 4
TEST MEDIUM / WATER PARAMETERS
- Source/preparation of dilution water: reconstituted water(according to guidance)
- Alkalinity: pH 7.8 ± 0.2
- Ca/Mg ratio: 4/1
- Na/K ratio: 10/1
- Culture medium different from test medium: similar
OTHER TEST CONDITIONS
- Adjustment of pH: none
- Photoperiod: 16/8
- Light intensity: 570-740 Lux
EFFECT PARAMETERS MEASURED : immobilization
TEST CONCENTRATIONS
- Test concentrations: 0, 100 mg/L - Reference substance (positive control):
- yes
- Remarks:
- Potassium dichromate
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Details on results:
- Test substance containing solutions were dark blue coloured.
- Results with reference substance (positive control):
- EC50 Potassium dichromate 0.53 mg/L
- Reported statistics and error estimates:
- NA
- Validity criteria fulfilled:
- yes
- Conclusions:
- The EC50 of the substance is > 100 mg/L
- Executive summary:
In a test according to OECD 202 daphnids were exposed to 0 and 100 mg/L during 48 hours in a static test. No mortality or effects on mobility were found. The measured test concentrations were 98 -99% of nominal. The EC50 is > 100 mg/L.
Reference
Description of key information
In a test according to OECD 202 daphnids were exposed to 0 and 100 mg/L during 48 hours in a static test. No mortality or effects on mobility were found. The measured test concentrations were 98 -99% of nominal. The EC50 is > 100 mg/L.
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 100 mg/L
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.