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Diss Factsheets
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EC number: 272-056-6 | CAS number: 68672-66-2
- 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
PBT assessment
Administrative data
PBT assessment: overall result
- Name:
- 1132 Side chain
- Type of composition:
- legal entity composition of the substance
- State / form:
- solid: bulk
- Reference substance:
- 1132 Side chain
- PBT status:
- the substance is handled as if it were a PBT/vPvB
- Justification:
1132 only attained 1% biodegradation after 28 days and therefore cannot be considered to be readily biodegradable under the strict terms and conditions of OECD Guideline No. 301B. Formal aqueous solubility was estimated as < 0.3mg/L. This solubility was found to be below the detection limit of the analytical determination method developed to quantify the amount of sample in the aqueous phase. Therefore it is not possible to conduct EC A.8 Partition Coefficient analysis by the shake flask method. In accordance with the test guidance the partition coefficient was estimated using prediction software (KOWWIN v1.68). The prediction software uses SMILES input to calculate the Partition Coefficient. The logKow for the substance was calculated to be 7.92.
No acute aquatic toxicity data is available as the substance is considered to be very insoluble with water solubility was below method's limit of detection (below 3.44E-6 g/L). Due to the limited solubility of the sidechain, some time was spent on developing a sample preparation that would completely dissolve all of the test material. The fact that it was necessary to dissolve the product in a strong solvent, like tetrahydrofuran or dimethyl sulfoxide (sometimes known as the universal solvent), could be considered an indication that the product has a low solubility. Based on the above results the substance would not be considered to be available to aquatic species based on the low level of solubility.
- Likely routes of exposure:
As any real potential exposure to the substance is in dust form, the potential routes of exposure to humans would be by inhalation and dermal contact. However operational conditions and risk management measures are in place which minimise those routes of exposure.For the environment the substance is released to a marine estuary and therefore freshwater and microorganisms will not be exposed to the substance. The soil is also not a route of exposure as substance is only handled at one site and all wastes are collected and properly disposed of. Exposure to the air is possible but before any release it is filtered and sent through control equipment that prevent any “air” releases to the environment.
Reference
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.