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EC number: 692-061-0 | CAS number: 1207435-39-9
- 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
- PBT status:
- the substance is not PBT / vPvB
- Justification:
Fast Pyrolysis Bio-oil is a highly polar UVCB substance which also contains constituents of low polarity (5 – 20 wt-%) (Oasmaa & Peacocke 2010; Oasmaa et al 2003). Fast Pyrolysis Bio-oil may contain water up to 40 wt-%. The composition of and analytical data concerning this UVCB substance are presented in section 1.2 and attachment (Statement on the Group Level Composition of Fast Pyrolysis Bio-oil).
Although the full composition of Fast Pyrolysis Bio-oil (FPBO) itself on compound level is not known at this time, and for P and B there is no exact information on specific criteria for PBT assessment laid down in REACH Annex XIII, the conclusion from PBT assessment on basis of expert evaluation is that the substance is not PBT / vPvB.
Test results for ready biodegradability indicate that FPBO as a whole is inherently biodegradable, with a half-life of ~28 d. Based on this information, the substance is considered neither P nor vP. However, for UVCB substances that contain fractions of varying biodegradability, such parameters are not a good measure of persistence. The slowly degrading part of FPBO likely consists of compounds of high molecular weight, low water-solubility and/or several aromatic rings; when lignin-derived substances are excluded on basis of low toxicological concern, other potential P or vP substances (PAHs, sterols) have been analyzed in FPBO at < 0.5 wt-% in total.
A substance fulfils the toxicity criterion based on classification as carcinogenic (category 1B). There are no study results on carcinogenic properties, but the classification is due to amount and classification of a known component in Fast Pyrolysis Bio-oil (Formaldehyde < 0.5 %). However, the chronic toxicity values of FPBO to aquatic organisms do not support the classification as toxic.
Further testing concerning PBT assessment is not proposed at this point. As the composition of the substance will be studied more thorougly as soon as large-scale production has started, and more information will be available e.g. on the amount of sterols and PAH compounds in the substance, the need for further testing concerning PBT properties will be re-evaluated. Bioaccumulation tests for this UVCB substance are not technically feasible. Potentially bioaccumulative components of FPBO include long-chain fatty acids, sesquiterpenes, PAHs, and sterols, present in FPBO at ~4 wt-% in total. The potential of some constituents to bioaccumulate cannot be ruled out based on current knowledge on composition (see section 1.2) and BCF data on known components (data produced by EPIWIN model; US EPA 2000 -2012). Biodegradation of the whole substance has been tested as described above, but for the purposes of the PBT/vPvB assessment, the environmental fate of certain component fractions is more relevant. The potentially both vP and vB components of FPBO, according to our current understanding, are the PAH compounds (present in FPBO at 31.1 µg/g << 0.1 %) and phytosterols (present in FPBO at ~0.1 %).
REFERENCES:
Anja Oasmaa & Cordner Peacocke. Properties and fuel use of biomass-derived fast pyrolysis liquids. A guide. Espoo 2010. VTT Publications 731. 79 p. + app. 46 p.
Oasmaa, A., Kuoppala, E., Solantausta, Y., 2003.Fast Pyrolysis of Forestry Residue. 2. Physicochemical Composition of Product Liquid.Energy & Fuels,17, 433-443
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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