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Diss Factsheets
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EC number: 416-210-4 | CAS number: 128119-70-0
- 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
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Two studies are available to assess the ready biodegradability of Bornafix. In the key study performed according to OECD guideline 301D (Closed Bottle test) sealed bottles containing the test substance (adsorbed onto glass filter paper) and inorganic nutrient medium were inoculated with activated sewage sludge bacteria and incubated for up to 28 days at 20 ± 1°C. Percentage biodegradation values were determined by comparing the extent of oxygen depletion with the Theoretical Oxygen Demand (5.52 mg O2/L). Additional bottles, containing both the test substance and a readily biodegradable standard substance were prepared in order to provide additional information on the inhibitory effect of the test substance. Bornafix attained only 2 % biodegradation after 28 days and may therefore not be termed as readily biodegradable. Bornafix was not found to be inhibitory to activated sewage sludge bacteria under the conditions of this test.
Key value for chemical safety assessment
- Biodegradation in water:
- not biodegradable
Additional information
Two studies are available to assess the ready biodegradability of Bornafix. The study performed according to OECD 301D is identified as the key study because this method is considered more suitable compared to OECD 301B for substances that are volatile.
In the supporting study performed according to OECD test method 301B (modified version) a theoretical test concentration of 10 mg C L-1 was used. The inoculum used was secondary effluent obtained from a laboratory rolling tube treatment unit which is fed on 100% settled sewage obtained from Newton Abbot sewage treatment works, which treats sewage of predominantly domestic origin. The bottles were sealed with butyl rubber septa and aluminium crimp caps and placed in an orbital incubator at a nominal test temperature of 20 ± 2°C. They were incubated for 28 days in the dark whilst being shaken at a nominal 150 rpm. Biodegradation was monitored by regular analysis of sacrificial test bottles to determine the amount of inorganic carbon evolved. After 28 days, the test article had undergone 2% biodegradation in the test bottles and therefore cannot be considered readily biodegradable in the test system.
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.
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