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Diss Factsheets
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EC number: 214-787-5 | CAS number: 1194-65-6
- 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)
Endpoint summary
Administrative data
Description of key information
Skin Sensitisation
In a GLP compliant study in accordance with the standardised guideline EPA OPP 81-6, the test material was found not to be sensitising.
Key value for chemical safety assessment
Skin sensitisation
Link to relevant study records
- Endpoint:
- skin sensitisation: in vivo (non-LLNA)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 03 September 1987 to 05 October 1987
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EPA OPP 81-6 (Skin Sensitisation)
- Deviations:
- no
- GLP compliance:
- yes
- Type of study:
- guinea pig maximisation test
- Justification for non-LLNA method:
- Study conducted prior to adoption of LLNA guideline by the OECD.
- Species:
- guinea pig
- Strain:
- Dunkin-Hartley
- Sex:
- female
- Details on test animals and environmental conditions:
- TEST ANIMALS
- Females (if applicable) nulliparous and non-pregnant: yes
- Weight at study initiation: 337-436 g
- Housing: five animals per aluminium cage
- Diet: ad libitum
- Water: tap water ad libitum
- Acclimation period: at least 8 days
ENVIRONMENTAL CONDITIONS
- Temperature: 19-21 °C
- Humidity: mean 56 %
- Photoperiod: 12 hours light/12 hours dark - Route:
- other: intradermal and topical
- Vehicle:
- paraffin oil
- Concentration / amount:
- Intradermal: 0.10 mL at 2 % (w/v)
- Day(s)/duration:
- The topical application was applied 7 days after the intradermal injection for 48 hours.
- Adequacy of induction:
- highest technically applicable concentration used
- No.:
- #1
- Route:
- other: topical
- Vehicle:
- paraffin oil
- Concentration / amount:
- 25 % (w/v)
- Day(s)/duration:
- Two weeks after the topical induction. The challenge was applied for 24 hours.
- Adequacy of challenge:
- highest non-irritant concentration
- No. of animals per dose:
- Twenty
- Details on study design:
- RANGE FINDING TESTS:
A. INDUCTION EXPOSURE
- Injections were made in the shaved scapular region and topical application on the shaved flanks. Two animals were subjected to intradermal injections (10, 5, 2 and 1 % w/v) and a further two to topical application (25, 10, 5 and 2 % w/v). The injection sites were assessed for irritancy at 24, 48 and 72 hours after injection. The topical application was assessed for irritancy 24, 48 and 72 hours after patch removal.
B. CHALLENGE EXPOSURE
- Test material was applied to the shaved flanks of two animals for 24 hours at concentrations of 25 and 10 % w/v.
MAIN STUDY
A. INDUCTION EXPOSURE
- No. of exposures: two (injection; topical)
- Test groups: 20 animals
- Control group: 20 animals (treated with vehicle instead of test material)
- Site: 4 x 6 cm shaved area in scapular region
- Frequency of applications: six intradermal injections, three in a line each side of and parallel to mid-line in shaved region of (i) 0.1 mL Freund's Complete Adjuvant, (ii) 0.1 mL test material and (iii) 0.05 mL test material emulsified with 0.05 mL Freund's complete adjuvant.
- Exposure Period/Duration: six days after the injection phase, the injection site was shaved and wetted with 10 % SLS to provoke a mild inflammatory response. After 24 hours, filter paper with 10 % w/v test material was added to the pre-treated area of the animals and the patch given an occlusive covering and the dressing left in place for 48 hours.
- Concentrations: 2 % w/v (injection) - actual value 10 % w/v due to calculation error; 10 % w/v (topical)
B. CHALLENGE EXPOSURE
- No. of exposures: one
- Day(s) of challenge: two weeks after topical induction
- Exposure period: 24 hours
- Test groups: 20 animals
- Control group: 20 animals (treated with vehicle instead of test substance)
- Site: 2 cm x 25 cm area on the left flank
- Concentrations: 25% w/v
- Evaluation (hr after challenge): 24 and 48 hours after removal of patch - Challenge controls:
- Test material at 25 % w/v in paraffin oil administered to control group animals.
- Positive control substance(s):
- yes
- Remarks:
- 2,4-dinitro-chlorobenzene (DNCB)
- Positive control results:
- - The sensitivity of the strain of guinea-pig was checked at 6 monthly intervals to a known sensitiser (2,4-dinitro-chlorobenzene (DNCB)).
- In the most recent positive control test 11/20 of the test group reacted positively to challenge with DNCB at a concentration of 0.1 % (w/v) in propylene glycol. - Key result
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- test chemical
- Dose level:
- 25 %
- No. with + reactions:
- 0
- Total no. in group:
- 20
- Key result
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- test chemical
- Dose level:
- 25 %
- No. with + reactions:
- 0
- Total no. in group:
- 20
- Key result
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- positive control
- Dose level:
- DNCB 0.1% w/v
- No. with + reactions:
- 11
- Total no. in group:
- 20
- Key result
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- negative control
- Dose level:
- 25 %
- No. with + reactions:
- 0
- Total no. in group:
- 20
- Key result
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- negative control
- Dose level:
- 25 %
- No. with + reactions:
- 0
- Total no. in group:
- 20
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- Under the conditions of the test, the test material was determined to be a non-sensitiser.
- Executive summary:
In a GLP compliant study the sensitising potential of the test material was assessed in accordance with the standardised guideline EPA OPP 81-6 in guinea-pigs (guinea pig maximisation test).
Under the conditions of the test, the test material was found not to be sensitising.
Reference
None of the 20 test animals showed positive reactions of the challenge application. None of the 20 control animals showed a positive reaction to the vehicle application.
Body weight gains were within an acceptable range.
No clinical signs, other than skin reactions induced by treatment were noted.
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed (not sensitising)
- Additional information:
The key study (Cuthbert and Carr, 1988) was performed in line with GLP and a standardised guideline with a sufficient level of detail to assess the quality of the study. The study was performed to a good standard and was assigned a reliability score of 1 using the principle for assessing data quality as set out in Klimisch (1997).
Respiratory sensitisation
Endpoint conclusion
- Endpoint conclusion:
- no study available
Justification for classification or non-classification
In accordance with the criteria for classification as defined in Annex I, Regulation (EC) No 1272/2008, the substance is considered to be unclassified for skin sensitisation.
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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