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Diss Factsheets
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EC number: 942-582-7 | 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
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:
- other: Read-Across
- Justification for type of information:
- See attached document below.
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Key result
- Duration:
- 96 h
- Dose descriptor:
- EC50
- Effect conc.:
- 1 562 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
- Key result
- Duration:
- 96 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 810 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
- Conclusions:
- Based on a worse case approach,taking into account the highest toxicity to Pseudokirchneriella subcapitata observed with the 3 source substances [Potassium sulfate (CAS 7778-80-5), Sodium sulfate (CAS 7757-82-6) and Calcium sulfate (CAS 7778-18-9)], the 96h-EC50 value of 1562 mg/L and the NOEC = 810 mg/L, was attributed to the target substance “Sulfates of potassium, sodium and calcium, by-product from fermentation”. According to CLP criteria, this substance is not classified for its toxicity to aquatic algae.
- Executive summary:
The results on the toxicity to algae are indicative of a similar very low toxicity of the 3 sulfates salts. The 72h/96h-EC50 to the green algae Pseudokirchneriella subcapitata obtained for Potassium sulfate, Sodium sulfate and Calcium sulfate are 3480 mg/L, 1562 mg/L and >2100 mg/L respectively. These extremely high values demonstrate the lack of adverse effects of the 3 source substances to the green algae. No toxicity study to algae is available for the registered substance “Sulfates of potassium, sodium and calcium, by-product from fermentation”. However taking into account the data available on the three sulfate salts, the registered substance is not considered to be hazardous for algae. Based on a worse case approach, the lowest 96h-EC50 and NOEC on Pseudokirchneriella subcapitata obtained with the 3 sulfate salts, namely 1562 mg/L and 810 mg/L respectively, are attributed to the target substance “Sulfates of potassium, sodium and calcium, by-product from fermentation” as representative of its toxicity to the green algae. According to CLP criteria, this substance is not classified for its toxicity to aquatic algae.
Reference
Description of key information
Based on a worse case approach,taking into account the highest toxicity to Pseudokirchneriella subcapitata observed with the 3 source substances [Potassium sulfate (CAS 7778-80-5), Sodium sulfate (CAS 7757-82-6) and Calcium sulfate (CAS 7778-18-9)], the 96h-EC50 value of 1562 mg/L and the NOEC = 810 mg/L, was attributed to the target substance “Sulfates of potassium, sodium and calcium, by-product from fermentation”. According to CLP criteria, this substance is not classified for its toxicity to aquatic algae.
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 1 562 mg/L
- EC10 or NOEC for freshwater algae:
- 810 mg/L
Additional information
The results on the toxicity to algae are indicative of a similar very low toxicity of the 3 sulfates salts. The 72h/96h-EC50 to the green algae Pseudokirchneriella subcapitata obtained for Potassium sulfate, Sodium sulfate and Calcium sulfate are 3480 mg/L, 1562 mg/L and >2100 mg/L respectively. These extremely high values demonstrate the lack of adverse effects of the 3 source substances to the green algae. No toxicity study to algae is available for the registered substance “Sulfates of potassium, sodium and calcium, by-product from fermentation”. However taking into account the data available on the three sulfate salts, the registered substance is not considered to be hazardous for algae. Based on a worse case approach, the lowest 96h-EC50 and NOEC on Pseudokirchneriella subcapitata obtained with the 3 sulfate salts, namely 1562 mg/L and 810 mg/L respectively, are attributed to the target substance “Sulfates of potassium, sodium and calcium, by-product from fermentation” as representative of its toxicity to the green algae. According to CLP criteria, this substance is not classified for its toxicity to aquatic algae.
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.