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EC number: 265-004-9 | CAS number: 64665-57-2
- 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
Tolyltriazole / sodium tolyltriazolate are a technical mixture of two isomers (4-methyl-benzotriazole and 5-methyl-benzotriazole, respectively the conjugated salts). Available information indicates different potential for biodegradation. While 5-methyl-benzotriazole has shown full mineralization under test conditions, 4-methyl-benzotriazole has not been degraded. Thus, in summary tolyltriazole and its conjugated sodium salt have been considered stable to biodegradation.
Key value for chemical safety assessment
- Biodegradation in water:
- under test conditions no biodegradation observed
Additional information
Several guideline studies on biodegradability of the analogue Tolyltriazole as well as the individual isomers are available. All tests have shown no or little potential for biodegradation. As in single isomer testing 5 -methyl-benzotriazole has shown good biodegradability (full mineralization has been observed under test conditions in ISO 7827 test) in testing with 4 -methyl-benzotriazole no biodegradation has been observed. Finally, a study on readily biodegradation with Tolyltriazole has shown four percent degradation after 28 days under test conditions.
In summary, Tolyltriazole and its conjugated sodium salt are considered as non-biodegradable in the aquatic compartment as 4 -methyl-benzotriazole has been assumed as very persistent in the environment.
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