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Diss Factsheets
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EC number: 619-566-0 | CAS number: 848301-65-5
- 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
Short-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- (Q)SAR
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- This endpoint has been reviewed, assessed and accepted by UK-HSE as competent authority for the notification of a new substance [EC number: 481-730-0; Data from UK-Notification Dossier by Shell U.K. Limited in accordance with Directive 92/32/EEC (Articles 7/8/9/12) O.J.L 154, Volume 35, 5 June 1992; Notification Report 06-31-0125-00 from 1st Nov, 2006].
- Justification for type of information:
- QSAR prediction: migrated from IUCLID 5.6
Cross-reference
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- other: review
- Title:
- Unnamed
- Year:
- 2 006
Materials and methods
Test guideline
- Qualifier:
- no guideline required
- Principles of method if other than guideline:
- The toxicity of the representative chemical components of the substance to invertebrates (Daphnia) have been calculated in accordance with the methods described by Peter Fisk Associates (2006) using QSARs for non-polar narcotics. The QSARs take the form of a generic equation:
log(LC50, EC50 or NOEC) = a log(Kow) + b
where a and b are constants equal to the slope and the intercept on the y axis of the regression equation and Kow is octanol-water partition coefficient of each component under consideration. - GLP compliance:
- no
- Remarks:
- not applicable (calculated by QSAR )
Test material
Reference
- Name:
- Unnamed
- Type:
- Constituent
Sampling and analysis
- Analytical monitoring:
- not required
Test organisms
- Test organisms (species):
- other: not applicable (calculated by QSAR)
Study design
- Test type:
- other: not applicable (calculated by QSAR)
- Water media type:
- not specified
- Remarks on exposure duration:
- NOT_SPECIFIED
Results and discussion
Effect concentrationsopen allclose all
- Dose descriptor:
- EL50
- Effect conc.:
- 4 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- other: not applicable (calculated by QSAR )
- Dose descriptor:
- NOELR
- Effect conc.:
- 0.12 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- other: not applicable (calculated by QSAR)
Any other information on results incl. tables
see attached full study report at "5.2.1 Biodegradation in water: screening tests" [ Attachment 8, page 5 -12]
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not applicable
- Remarks:
- calculated by QSAR
- Conclusions:
- Results calculated by QSAR [using the methods described in the report by Peter Fisk Associates (2006)]:
- the substance could be acutely toxic to invertebrates at a loading rate of 4.0 mg/l (EL50)
- the substance has a predicted chronic NOEL of 0.12 mg/l to invertebrates.
Measurements in acute tests with related substances, which were reported in the environmental hazard property summary review by Peter Fisk Associates (2006) [see below 'Cross-reference to other study' or Attachment 8] give lowest LL50 or EL50 values that are in the range 1-10 mg/l, although there is one exceptional measured value indicating a lower order of toxicity (see below 'Cross-reference to other study': first CONCAWE-study). It should be noted that the original study reports have not been reviewed.
Conclusion: Naphtha (Fischer-Tropsch), light, C4-10 - branched and linear, could be chronically toxic to invertebrates at a loading rate of 0.1-1.0
mg/l and could be acutely toxic at a loading rate of 1-10 mg/l.
Classification: The substance should be classified in the EU as R50-53 i.e. 'Very toxic to aquatic organisms' and 'May cause long-term adverse effects in the aquatic environment'. The basis of this classification is the lowest predicted EL50 of 0,55 mg/l to algae and the presence of components with log Kow >3. The biodegradability does not affect this.
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.