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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Diss Factsheets
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EC number: 202-615-1 | CAS number: 97-88-1
- 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
Long-term toxicity to fish
Administrative data
Link to relevant study record(s)
Description of key information
For n-BMA, based on the acute data, fish appears to be the most sensitive trophic level. In the risk assessment this has been compensated by an additional assessment factor of 10 (default assessment factor with three trophic levels: 10, with two trophic levels not using the most sensitive trophic level: 100). This way the current approach provides a sufficient and even more conservative margin of safety in comparison to the default approach with a third chronic (fish) test. This way there is no scientific justification for the chronic fish test because it will not provide a higher level of protection.
Key value for chemical safety assessment
Additional information
For this member of the category no chronic fish data are available. In this case the risk assessment has been performed based on the two other available NOECs in the other trophic levels. In an ECHA communication the necessity of a chronic fish test has been raised. Since the fish test is a vertebrate study it should only be performed if the same level of confidence cannot be achieved in other ways. It is necessary to answer two questions: What is most likely the most sensitive trophic level and can the difference in sensitivity be predicted with any certainty?
For n-BMA, based on the acute data, fish appears to be the most sensitive trophic level. There is a Japanese 14 day extended acute fish study which seems to indicate the same thing with a NOEC even below the 21d daphnia NOEC. The likely difference is in an order of magnitude of three-to fourfold. In the risk assessment this has been compensated by an additional assessment factor of 10 (default assessment factor with three trophic levels: 10, with two trophic levels not using the most sensitive trophic level: 100). This way the current approach provides a sufficient and even more conservative margin of safety in comparison to the default approach with a third chronic (fish) test. This way there is no scientific justification for the chronic fish test because it will not provide a higher level of protection.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.