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EC number: 500-038-2 | CAS number: 25322-68-3 1 - 4.5 moles ethoxylated
- 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
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
- Endpoint:
- toxicity to aquatic algae and cyanobacteria
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Remarks:
- experimental data for various test chemicals
- Justification for type of information:
- experimental data for various test chemicals
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Qualifier:
- according to guideline
- Guideline:
- other: Refer the principle below
- Principles of method if other than guideline:
- WoE report is prepared based on toxicity to green algae study:
2 and 3 - GLP compliance:
- no
- Analytical monitoring:
- not specified
- Vehicle:
- not specified
- Test organisms (species):
- other: 3. Scenedesmus subspicatus 4. Scenedesmus quadricauda
- Test type:
- static
- Water media type:
- freshwater
- Total exposure duration:
- 96 h
- Remarks on exposure duration:
- for 3rd study period was 8 days.
- Reference substance (positive control):
- not specified
- Duration:
- 8 d
- Dose descriptor:
- EC50
- Effect conc.:
- 1 000 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
- Remarks on result:
- other: From study 3
- Duration:
- 96 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
- Remarks on result:
- other: From Study report 2
- Validity criteria fulfilled:
- not specified
- Conclusions:
- The effect of test chemical was studied on the green algae the effective concentration range was determined to be 100 -1000 mg/L.
- Executive summary:
Short term toxicty for the test chemical are studied and mention as below:
The short-term toxicity of the test substance to green algae is studied using the RA , This study outlines the effect of test chemical on the Scenedesmus subspicatus. The study was performed on the in accordance with OECD guideline 201. The test was performed for the period 96 hours to observe the effects. Based on the results obtained the EC50 value was determined to >100 mg/L. According to the CLP classification the test chemical cannot be classified.
Similar study outlines the effect of test chemical on the Scenedesmus quadricauda. The test was performed for the period 8 days to observe the effects.
Based on the results obtained the 8d- EC50 value was determined to 1000mg/l. According to the CLP classification the test chemical is not classified.
Thus the toxicity is ranging from 100 to 1000mg/L
Reference
Description of key information
The short-term toxicity of the test substance to green algae is studied using the RA, This study outlines the effect of test chemical on the Scenedesmus subspicatus. The study was performed on the in accordance with OECD guideline 201. The test was performed for the period 96 hours to observe the effects.
Based on the results obtained the EC50 value was determined to >100 mg/L. According to the CLP classification the test chemical cannot be classified.
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 100 mg/L
Additional information
Short term toxicity for the test chemical and structurally and functionally similar read across chemical are studied and mention as below:
The short-term toxicity of the test substance to green algae is studied using the RA, This study outlines the effect of test chemical on the Scenedesmus subspicatus. The study was performed on the in accordance with OECD guideline 201. The test was performed for the period 96 hours to observe the effects. Based on the results obtained the EC50 value was determined to >100 mg/L. According to the CLP classification the test chemical cannot be classified.
Similar study outlines the effect of test chemical on the Scenedesmus quadricauda. The test was performed for the period 8 days to observe the effects.
Based on the results obtained the 8d- EC50 value was determined to 1000mg/l.
According to the CLP classification the test chemical is not classified.
Thus the toxicity is ranging from 100 to 1000mg/L.
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