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EC number: 827-162-2 | CAS number: 2218502-12-4
- 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
To assess the repeated dose toxicity of the substance with CAS 2218502-12-4 (Direct Black 168 NaLi salts), an in vivo study conducted on the similar substance (read-across) with CAS 93281-13-1(Direct Black 168 NaLi) has been chosen. The observations of the study, conducted according to OECD 422 GLP compliant, support that the substance is not classified for toxicity following repeated dose oral route. Based on the study outcomes, the dose level of 350 mg/kg bw/day was considered as an appropriate No Observed Adverse Effect Level to be used for the Chemical Safety Assessment and DNEL derivation of the source substance.
Both substances CAS 218502-12-4 (Direct Black 168 NaLi salt) and CAS 93281-13-1 (Direct Black 168 Na salt) have the same organic anionic structure. The differences are considered to be not able to impact the study outcome, thus the read-across can be considered as reliable and appropriate to evaluate the endpoint. Details on read-across approach are given in the section 13 of IUCLID file.
Based on exposure considerations and the available toxicological information, testing in a 28-days by oral route, has been considered sufficient and the dermal study on repeated dose does not need to be conducted.
The repeated dose inhalation study does not need to be conducted because the exposure of humans via inhalation is unlikely taking into account the vapour pressure of the substance.
Key value for chemical safety assessment
- Toxic effect type:
- dose-dependent
Repeated dose toxicity: via oral route - systemic effects
Link to relevant study records
- Endpoint:
- short-term repeated dose toxicity: oral
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Justification for type of information:
- See the report for the analogue approach in section 13 "Other reports"
- Reason / purpose for cross-reference:
- read-across source
- Dose descriptor:
- NOAEL
- Effect level:
- >= 350 mg/kg bw/day (actual dose received)
- Based on:
- test mat.
- Sex:
- male/female
- Remarks on result:
- not determinable due to absence of adverse toxic effects
- Critical effects observed:
- no
Reference
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed
- Dose descriptor:
- NOAEL
- 350 mg/kg bw/day
- Study duration:
- subacute
- Species:
- rat
Repeated dose toxicity: inhalation - systemic effects
Endpoint conclusion
- Endpoint conclusion:
- no study available
Repeated dose toxicity: inhalation - local effects
Endpoint conclusion
- Endpoint conclusion:
- no study available
Repeated dose toxicity: dermal - systemic effects
Endpoint conclusion
- Endpoint conclusion:
- no study available
Repeated dose toxicity: dermal - local effects
Endpoint conclusion
- Endpoint conclusion:
- no study available
Additional information
Justification for classification or non-classification
Based on the results of repeated oral exposure study, the observed effects at the observed concentrations are considered not to support classification for specific target organ toxicity following repeated exposure, and the substance does not meet the criteria for classification for this endpoint according to CLP (Regulation 1272/2008/EC).
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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