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Diss Factsheets
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EC number: 231-034-6 | CAS number: 7417-99-4
- 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
![](https://echa.europa.eu./o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_ecotoxicological-information.png)
Endpoint summary
Administrative data
Description of key information
Short-term toxicity to fish. Key Study: Data from EPI-Suite, EPA (USA) / ECOSAR v1.11 class-specific estimation (substituted ureas). The test substance has been determined to have a 96-h LC50 to fish of 31.816 mg/L.
Short-term toxicity to invertebrates. Key Study:Data from EPI-Suite, EPA (USA) / ECOSAR v1.11 class-specific estimation (substituted ureas). The test substance has been determined to have a 48-h LC50 to daphnia of 10.313 mg/L.
Toxicity to algae. Key Study: Data from EPI-Suite, EPA (USA) / ECOSAR v1.11 class-specific estimation (substituted ureas). The test substance has been determined to have a 96-h EC50 to algae of 0.268 mg/L.
Toxicity to microorganisms. Key Study: Test method according to OECD 209. GLP study: The EC50 was determined to be greater than 10 mg/L as no inhibition was observed for the dissolved part. EC10 was calculated to be 0.049 mg/L.
Additional information
Short-term toxicity to fish. Key Study: The short-term toxicity to fish of the test substance was determined by using EPI-Suite, ECOSAR v1.11 class-specific estimation (substituted ureas). The fish 96-h LC50 for the test substance was predicted to be 31.816 mg/L.
Short-term toxicity to invertebrates. Key Study: The short-term toxicity to aquatic invertebrates of the test substance was determined by using EPI-Suite, ECOSAR v1.11 class-specific estimation (substituted ureas). The daphnia 48-h LC50 for the test substance was predicted to be 10.313 mg/L.
Toxicity to algae. Key Study: The toxicity to aquatic algae of the test substance was determined by using EPI-Suite, ECOSAR v1.11 class-specific estimation (substituted ureas). The algae 96-h EC50 for the test substance was predicted to be 0.268 mg/L.
Toxicity to microorganisms. Key Study: The study of activated sludge respiration inhibition was carried according with OECD Guideline 209. The inhibition of three different oxygen uptakes was determined, total, heterotrophic only and due to nitrification. 1.5 g/L suspended solid of inoculum were exposed up to 1000 mg/L test item for 3 hours. The results of blank and reference controls (3,5 -dichlorophenol) were found to lie in the ranges allowed by the validity criteria. Based on the respiration inhibition rate of test item, the EC50 was expected to be greater than 10 mg/L as no inhibition was observed for the dissolved part of test substance. Also, the undissolved test substance content, visible for test item content greater than 10 mg/L, had no significant effect on the inhibition values. The EC10 was calculated to be 0.049 mg/L.
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.
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