Registration Dossier
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EC number: 614-585-0 | CAS number: 68551-65-5
- 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

Endpoint summary
Administrative data
Description of key information
Not sensitising in a Buehler assay
Key value for chemical safety assessment
Skin sensitisation
Link to relevant study records
- Endpoint:
- skin sensitisation: in vivo (non-LLNA)
- Remarks:
- Buehler test; predates Commission Regulation EU 2016/1688 and Regulation EC No. 1907/2006
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Comparable to guideline study with acceptable restrictions. Only limited study documentation, vehicle is corn oil, both flanks were exposed during challange
- Justification for type of information:
- The analogue approach is used for the hazard assessment of toxicological endpoints for the registration of the target substance trimethylolpropane ricinoleate (CAS 68551-65-5) based on generation of different breakdown/metabolic products, resulting not only in similar physical and biological systems (Scenario 2 of the Read-Across Assessment Framework (RAAF, ECHA, 2015), but also consequently in similar physico-chemical and toxicological properties. The source compounds for read-across are fatty acids, C16-18, esters with pentaerythritol (CAS 85116-93-4) and pentaerythritol ricinoleate (CAS 78-22-8). It is proposed that the different alcohols resulting from ester hydrolysis of the source compounds and the target substance will not result in significant variation in biological effects.
Neither target nor source compounds are classified for mammalian hazardous effects. The use of reliable experimental data, all evaluated as reliable according to Klimisch scores of 1 or 2, to estimate the toxicity of the registered substance is adequate for the purposes of fulfilling the data requirements of registration and classifying potential hazards. Similar grouping into categories has been accepted by other regulatory agencies (U.S. EPA, 2010; U.S. FDA for food notifications). Thus, this read-across approach is adequate for the purposes of risk assessment and classification and labeling. - Reason / purpose for cross-reference:
- read-across source
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 406 (Skin Sensitisation)
- Deviations:
- yes
- Remarks:
- Vehicle is corn oil, both flanks were exposed during challange
- GLP compliance:
- not specified
- Type of study:
- Buehler test
- Justification for non-LLNA method:
- Predates Commission Regulation EU No. 2106/1688 and preference by REACH regulation/ECHA guidance for LLNA
- Species:
- guinea pig
- Strain:
- other: Albino
- Sex:
- male
- Details on test animals and environmental conditions:
- TEST ANIMALS
- Weight at study initiation: 344-441 g - Route:
- epicutaneous, occlusive
- Vehicle:
- corn oil
- Concentration / amount:
- Induction: 100%
- Day(s)/duration:
- 3 applications (6 h each)
- Adequacy of induction:
- not specified
- No.:
- #1
- Route:
- epicutaneous, occlusive
- Vehicle:
- corn oil
- Concentration / amount:
- Challenge: 30% and 100%
- Day(s)/duration:
- 1 day (6 h)
- Adequacy of challenge:
- not specified
- No. of animals per dose:
- 20 (10 for the controls)
- Details on study design:
- RANGE FINDING TESTS: No Data
MAIN STUDY
A. INDUCTION EXPOSURE
- No. of exposures: 3
- Exposure period: 6 h
- Test groups: Undiluted test sample
- Control group: Not stated, but very likely the control group recieved vehicle only.
- Site: scapular region
- Frequency of applications: 7 d interval
- Duration: 14 d
- Concentrations: undiluted
B. CHALLENGE EXPOSURE
- No. of exposures: 1
- Day(s) of challenge: day 28, 14 d after final induction
- Exposure period: 6 h
- Test groups: undiluted (100%) and 30% (w/v in corn oil)
- Control group: undiluted (100%) and 30% (w/v in corn oil)
- Site: undiluted (100%) on left flank and 30% on right flank
- Concentrations: undiluted (100%) and 30% (w/v in corn oil)
- Evaluation (hr after challenge): 24 h and 48 h - Challenge controls:
- No
- Positive control substance(s):
- no
- Key result
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- negative control
- Dose level:
- 0
- No. with + reactions:
- 0
- Total no. in group:
- 10
- Remarks on result:
- other: Reading: 1st reading. . Hours after challenge: 24.0. Group: negative control. Dose level: 0. No with. + reactions: 0.0. Total no. in groups: 10.0.
- Key result
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- test chemical
- Dose level:
- 30%
- No. with + reactions:
- 0
- Total no. in group:
- 20
- Remarks on result:
- other: Reading: 1st reading. . Hours after challenge: 24.0. Group: test group. Dose level: 30%. No with. + reactions: 0.0. Total no. in groups: 20.0.
- Key result
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- test chemical
- Dose level:
- 100%
- No. with + reactions:
- 0
- Total no. in group:
- 20
- Remarks on result:
- other: Reading: 1st reading. . Hours after challenge: 24.0. Group: test group. Dose level: 100%. No with. + reactions: 0.0. Total no. in groups: 20.0.
- Key result
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- negative control
- Dose level:
- 0
- No. with + reactions:
- 0
- Total no. in group:
- 10
- Remarks on result:
- other: Reading: 2nd reading. . Hours after challenge: 48.0. Group: negative control. Dose level: 0. No with. + reactions: 0.0. Total no. in groups: 10.0.
- Key result
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- test chemical
- Dose level:
- 30%
- No. with + reactions:
- 0
- Total no. in group:
- 20
- Remarks on result:
- other: Reading: 2nd reading. . Hours after challenge: 48.0. Group: test group. Dose level: 30%. No with. + reactions: 0.0. Total no. in groups: 20.0.
- Key result
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- test chemical
- Dose level:
- 100%
- No. with + reactions:
- 0
- Total no. in group:
- 20
- Remarks on result:
- other: Reading: 2nd reading. . Hours after challenge: 48.0. Group: test group. Dose level: 100%. No with. + reactions: 0.0. Total no. in groups: 20.0.
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- The analogue test substance was not sensitising in an OECD 406 (Buehler) protocol in guinea pigs. These data apply to the target (registered) substance, and are adequate for filling data requirements of REACH and for risk assessment.
Reference
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed (not sensitising)
Respiratory sensitisation
Endpoint conclusion
- Endpoint conclusion:
- no study available
- Additional information:
The analogue test substance was not sensitising in an OECD 406 (Buehler) protocol in guinea pigs. These data apply to the target (registered) substance, and are adequate for filling data requirements of REACH.
Justification for classification or non-classification
The experimental findings on the analogue substance do not meet the criteria for classification in Regulation EC No. 1272/2008.
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.

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