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Diss Factsheets
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EC number: 211-112-6 | CAS number: 629-82-3
- 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
![](https://chesar.echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_toxicological-information.png)
Skin sensitisation
Administrative data
- Endpoint:
- skin sensitisation: in vivo (non-LLNA)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1991
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 991
- Report date:
- 1991
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 406 (Skin Sensitisation)
- Deviations:
- no
- GLP compliance:
- yes
- Type of study:
- guinea pig maximisation test
- Justification for non-LLNA method:
- the study has been conducted before existence of validated LLNA-Guideline
Test material
- Reference substance name:
- Dioctyl ether
- EC Number:
- 211-112-6
- EC Name:
- Dioctyl ether
- Cas Number:
- 629-82-3
- Molecular formula:
- C16H34O
- IUPAC Name:
- 1-(octyloxy)octane
- Test material form:
- liquid
- Details on test material:
- - State of aggregation: Colorless, clear liquid
Constituent 1
- Specific details on test material used for the study:
- - Name of test material (as cited in study report): Di-n-Octyl Ether
- Physical state: liquid
- Analytical purity/active matter: >99,9%
- Lot/batch No.: S910331
- Expiration date of the lot/batch: 1992-09-07
- Stability: stable for at least 1 year
- Storage condition of test material: at room temperature, in a dark closed vessel
In vivo test system
Test animals
- Species:
- guinea pig
- Strain:
- Pirbright-Hartley
- Sex:
- female
- Details on test animals and environmental conditions:
- according to guideline
Study design: in vivo (non-LLNA)
Inductionopen allclose all
- Route:
- intradermal
- Vehicle:
- paraffin oil
- Concentration / amount:
- 2 %
- Route:
- epicutaneous, occlusive
- Vehicle:
- paraffin oil
- Concentration / amount:
- 10%
Challengeopen allclose all
- No.:
- #1
- Route:
- epicutaneous, occlusive
- Vehicle:
- paraffin oil
- Concentration / amount:
- 5 %
- No.:
- #2
- Route:
- epicutaneous, occlusive
- Vehicle:
- paraffin oil
- Concentration / amount:
- 3 %
- No. of animals per dose:
- 20
- Details on study design:
- according to guideline
- Positive control substance(s):
- no
Results and discussion
In vivo (non-LLNA)
Resultsopen allclose all
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- test chemical
- Dose level:
- 5%
- No. with + reactions:
- 14
- Total no. in group:
- 20
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- negative control
- Dose level:
- vehicle
- No. with + reactions:
- 10
- Total no. in group:
- 10
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- test chemical
- Dose level:
- 5%
- No. with + reactions:
- 9
- Total no. in group:
- 20
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- negative control
- Dose level:
- vehicle
- No. with + reactions:
- 5
- Total no. in group:
- 10
- Reading:
- rechallenge
- Hours after challenge:
- 24
- Group:
- test chemical
- Dose level:
- 3%
- No. with + reactions:
- 10
- Total no. in group:
- 20
- Reading:
- rechallenge
- Hours after challenge:
- 24
- Group:
- negative control
- Dose level:
- vehicle
- No. with + reactions:
- 3
- Total no. in group:
- 10
- Reading:
- rechallenge
- Hours after challenge:
- 48
- Group:
- test chemical
- Dose level:
- 3%
- No. with + reactions:
- 3
- Total no. in group:
- 20
- Reading:
- rechallenge
- Hours after challenge:
- 48
- Group:
- negative control
- Dose level:
- vehicle
- No. with + reactions:
- 1
- Total no. in group:
- 10
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- Both controls and treated animals exhibited weak reactions that were attributed to irritation. Following rechallenge, no distinct dermal effects were observed.
- Executive summary:
A test according to the Magnusson and Kligman method was performed with the test article to investigate the sensitizing potential with female guinea pigs, strain Pirbright White. The test substance was applied as a 2% dilution in paraffin perliquid for the intracutaneous and as a 10% dilution for the epicutaneous induction. Concentration for the challenge was 5%. 24 hours after the removal of the challenge patches the test substance solution did not cause any dermal reactions, which could be attributed to allergic reactions. The substance is therefore not considered to be a sensitizer.
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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