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Diss Factsheets
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EC number: 418-220-4 | CAS number: - RED JB 747
- 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
![](https://poisoncentres.echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_ecotoxicological-information.png)
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.1 mg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 1 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.01 mg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 1 mg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.39 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.039 mg/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:
- 0.02 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
No long-term studies were available. Available short term studies showed LC50 (96h) on fish > 100 mg/l, EC50 (48h) on daphnia > 100 mg/l and EC50 (72h) on algae > 100 mg/l, as nominal concentrations. Therefore, the concentration of 100 mg/l was used in the calculation of PNEC water .
Assessment factors of 1000 and 10000 were used for fresh water and marine water, respectively.
The derivation of PNECwater, intermittent was done by applying an assessment factor of 100.
The value of PNECstp was derived using 100 mg/l derived from a toxicity study to microorganisms where the EC50 > 100 mg/l was observed.
Due to the lack of ecotoxicological data, PNECsediment for fresh water and marine water were calculated using equilibrium partitioning method. This method uses PNECwater for aquatic organisms and suspended matter/water partition coefficients as inputs. Bulk density of wet suspended matter is 1150 kg/m3. Note that this approach is used only as a rough screening since it may result in both an overestimation or underestimation of toxicity. The suspended matter-water partition coefficient was computed and resulted as 0.979 m3/m3. A correction factor of 4.6 from wet weight to dry weigth was applied to obtain the final PNECsediment.
The amount of test substance in the air compartment was expected to be very low, since the substance is a solid with a negligible vapour pressure. Therefore, no hazard was identified.
The calculation of PNECsoil was done using the equilibrium partitioning method, based on the assumption that soil toxicity, expressed in terms of freely-dissolved substance concentration in the pore water, is the same as aquatic toxicity. The pore water concentration is correlated with the bioavailable fraction. Note that this approach was originally developed for sediments but it may be applied to soil. In the calculation of PNECsoil, PNECwaterfor aquatic organisms and soil-water partition coefficient were used as inputs. Bulk density of wet soil is 1700 kg/m3. Soil-water partition coefficient was computed and resulted as 0.295 m3/m3. A correction factor of 1.13 from wet weight to dry weight was applied to obtain the final PNECsoil.
Secondary poisoning concerns toxic effects in the higher members of the food chain which results from ingestion of organisms from lower trophic levels that contain accumulated substances. It is relevant for highly lipophilic organic chemicals, with a log Pow above the cutoff value of 4 reported in the CLP Regulation (EC 1272/2008). Due to the absence of potential for bioaccumulation indicated by a log Pow of -2.9, test substance was considered as not hazardous with respect to secondary poisoning.
Conclusion on classification
According to the CLP Regulation (EC n. 1272/2008), Part 4: Environmental Hazards, the substances can be classified for hazardous to the aquatic environment when the following criteria are met:
A )Acute (short-term) aquatic hazard Category Acute 1: 96 hr LC 50 (for fish) and/or 48 hr EC 50 (for crustacea) and/or 72 or 96 hr ErC 50 (for algae or other aquatic plants) ≤ 1 mg/L.
B) Long-term aquatic hazard
(i) Non-rapidly degradable substances for which there are adequate chronic toxicity data available:
Category Chronic 1: Chronic NOEC or ECx (for fish) and/or Chronic NOEC or ECx (for crustacea) and/or Chronic NOEC or ECx (for algae or other aquatic plants)≤0,1 mg/L
Category Chronic 2: Chronic NOEC or ECx (for fish) and/or Chronic NOEC or ECx (for crustacea) and/or Chronic NOEC or ECx (for algae or other aquatic plants)≤1 mg/L.
(iii) Substances for which adequate chronic toxicity data are not available and the substance is not rapidly degradable and/or the experimentally determined BCF ≥ 500 (or, if absent, the log K ow ≥ 4).
Category Chronic 1: 96 hr LC 50 (for fish) and/or 48 hr EC 50 (for crustacea) and/or 72 or 96 hr ErC 50 (for algae or other aquatic plants) ≤ 1 mg/L
Category Chronic 2: 96 hr LC 50 (for fish) and/or 48 hr EC 50 (for crustacea) and/or 72 or 96 hr ErC 50 (for algae or other aquatic plants)> 1 to ≤10 mg/L
Category Chronic 3:96 hr LC 50 (for fish) and/or 48 hr EC 50 (for crustacea) and/or 72 or 96 hr ErC 50 (for algae or other aquatic plants) > 10 to ≤ 100 mg/L.
The substance is not rapidly degradable and the available short-term toxicity tests to fish, invertebrate and algae fixed the effect levels that do not meet the criteria fo Aquatic toxicity. However, the substance is listed in Annex VI of CLP regulation (EC 1272/2008) and is classfied as Aquatic Chronic 3.
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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