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EC number: 246-836-1 | CAS number: 25321-14-6
- 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
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 2 µg/L
- Assessment factor:
- 10
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.02 µg/L
- Assessment factor:
- 100
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 0.55 mg/L
- Assessment factor:
- 1
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 6.73 µg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.673 µg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- PNEC soil
- PNEC value:
- 4.9 µg/kg soil dw
- Assessment factor:
- 1 000
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no data available: testing technically not feasible
Additional information
Conclusion on classification
ForDaphnia magnalong-termtests with different isomers are available. A comparison of the effect values measured by Deneer etal. (1988) for the isomers 2,3-, 2,4-, 2,6- and 3,4-DNT shows that for the endpoint immobilisationthe 2,4-DNT was most toxic. For the endpoint population growth and length ofDaphniathe 3,4-DNT was the most toxic isomer, however only with a factor of 3 compared to the 2,4-DNT. Thelowest 21d-NOEC of 0.02 mg/l was determined by Kuehn et al. (1988) in a reproduction testaccording to the German proposal of the Federal Environmental Agency (UBA) of 1984 for 2,4-DNT. This value is an effective concentration that was estimated based on the observed recoveriesof higher tested concentrations, since the detection limit was at 0.05 mg/l. It is assumed that thisNOEC covers also the toxicity of the technical mixture, as 2,4-DNT is the main component of themixture and exhibited the highest toxicity inDaphnialong-term tests.
For photothropic organisms,the EC10(96 h) of 0.056 mg/l (nominal) determined by Adema et al. (1981) forMicrocystisaeruginosais used as long-term value.
Determination ofPNECaquaChronic tests on three trophic levels are available for 2,4-DNT. For the other isomers that arecomponents of the technical mixture, only for 2 trophic levels long-term tests are available(Daphniaand algae). However, from the available data it can be concluded that the toxicity of thetechnical mixture is covered by the toxicity ofthe 2,4-DNT, an assessment factor of 10 can beapplied for the derivation of the PNECaquafor DNT according to EU Technical GuidanceDocument. From the effect value for the most sensitive species, Daphnia magna(Kuehn et al.,1988), aPNECaquaof 2μg/lis obtained.
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