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Diss Factsheets
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EC number: 609-080-7 | CAS number: 35160-38-4
- 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://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:
- 1998
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 998
- Report date:
- 1998
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:
- already existing in vivo data
Test material
- Details on test material:
- None
Constituent 1
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)
Induction
- Route:
- intradermal
- Vehicle:
- other: sesame oil (DAB 10)
- Concentration / amount:
- intradermal: 5% in seame oil; dermal: 25% in sesame oil
- Day(s)/duration:
- 2
- Adequacy of induction:
- highest concentration used causing mild-to-moderate skin irritation and well-tolerated systemically
Challenge
- Route:
- epicutaneous, occlusive
- Vehicle:
- other: sesame oil (DAB 10)
- Concentration / amount:
- dermal: 25% in seame oil
- Day(s)/duration:
- 1
- Adequacy of challenge:
- highest non-irritant concentration
- No. of animals per dose:
- test group: 10
controll group 5 - Details on study design:
- according to guideline
- Challenge controls:
- according to guideline
- Positive control substance(s):
- yes
- Remarks:
- The validity of the test system is confirmed by the periodically conducted positive control test using benzocain for the maximization test (report no. 97.0326, dated June 02, 1997).
Results and discussion
In vivo (non-LLNA)
Resultsopen allclose all
- Key result
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- test chemical
- Dose level:
- 25%
- No. with + reactions:
- 0
- Total no. in group:
- 10
- Clinical observations:
- no signes
- Remarks on result:
- no indication of skin sensitisation
- Key result
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- test chemical
- Dose level:
- 25%
- No. with + reactions:
- 0
- Total no. in group:
- 10
- Clinical observations:
- no signs
- Remarks on result:
- no indication of skin sensitisation
- Key result
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- negative control
- Dose level:
- 0%
- No. with + reactions:
- 0
- Total no. in group:
- 5
- Clinical observations:
- no signs
- Key result
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- negative control
- Dose level:
- 0%
- No. with + reactions:
- 0
- Total no. in group:
- 5
- Clinical observations:
- no signs
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
- Remarks:
- no sensitising
- Conclusions:
- In a guinea pig sensitization study according to OECD 406 caused no allergic reaction in all animals. The number of affected guinea pigs was not high enough to be significant. Methylparaben is not considered to be a skin sensitiser. Therefore, the test substance has not to be classified as skin sensitiser.
- Executive summary:
Testing for sensitising properties of phosphinic acid, diethyl aluminium salt (source substance)
was performed in female guinea pigs according to OECD 406. Intradermal induction was performed using 5 %, the dermal induction using 25% in sesame oil. The challenge was carried out with 25% test substance (epidermal) sesame oil.
Phosphinic acid, diethyl aluminium salt (source substance) did not induce allergic reactions and therefore, phosphinic acid, diethyl sodium salt (target substance) is not considered to be a skin sensitiser.
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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