Registration Dossier
Registration Dossier
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EC number: 500-051-3 | CAS number: 26780-96-1
- 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
Endpoint summary
Administrative data
Description of key information
Additional information
1,2-Dihydro-2,2,4-trimethylquinoline, oligomers as
a mixture of oligomer derivatives TMQ is expected to be mostly insoluble in water (<1 mg/L). Therefore a study on hydrolysis is considered uncessary in accordance with column 2 of REACH Annex VIII and with section 1 of REACH annex XI. However, the dark controls of the photolysis in water experiment showed evidence that the small water soluble fraction of1,2-Dihydro-2,2,4-trimethylquinoline, oligomers can be hydrolyzed with an estimated half-life of 16 hours. Meanwhile the half-life of
1,2-Dihydro-2,2,4-trimethylquinoline, oligomers n water in presence of light was observed to be less than 3 minutes.
iThe phototransformation half-life of TMQ in air was also estimated by using TMQ-dimer and TMQ-trimer as typical composition, which is in the range of 1.5 -2.0 hours and much less than 48 hours; and hence no potential of long-range transportof 1,2-Dihydro-2,2,4-trimethylquinoline, oligomersv in air is expected.
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