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EC number: 432-240-0 | CAS number: 12056-51-8
- 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
Eye irritation
Administrative data
- Endpoint:
- eye irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 13 July 1999 to 18 July 1999
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 999
- Report date:
- 1999
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 405 (Acute Eye Irritation / Corrosion)
- Version / remarks:
- (1987)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion)
- Version / remarks:
- (Annex V of Council Directive 67/548/EEC)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- (Date of inspection: 23 March 1998 Date of Signature: 21 July 1998)
Test material
- Reference substance name:
- -
- EC Number:
- 432-240-0
- EC Name:
- -
- Cas Number:
- 12056-51-8
- Molecular formula:
- K2Ti6O13
- IUPAC Name:
- Potassium hexatitanate
- Details on test material:
- - Substance type: Pale yellow solid.
- Physical state: Solid (powder).
- Lot/batch No.: A-8838.
- Storage condition of test material: Room temperature in the dark.
Constituent 1
Test animals / tissue source
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or tissues and environmental conditions:
- TEST ANIMALS
- Source: David Percival Ltd, Moston, Sandbach, Cheshire, United Kingdom.
- Age at study initiation: 12 - 16 weeks old.
- Weight at study initiation: 2.43 - 2.63 kg.
- Housing: The animals were individually housed in suspended metal cages.
- Diet : STANRAB SQC Rabbit Diet, Special Diets Services Ltd, Witham, Essex, United Kingdom, ad libitum.
- Water : Mains water, ad libitum.
- Acclimation period: 5 days.
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 17 - 23°C.
- Humidity (%): 30 - 70%.
- Air changes (per hr): At least 15 changes per hour.
- Photoperiod (hrs dark / hrs light): 12 hours continuous light and 12 hours darkness.
Test system
- Vehicle:
- unchanged (no vehicle)
- Controls:
- other: The untreated eyes in the exposed animals were used for control.
- Amount / concentration applied:
- 91 mg (equivalent to a volume of 0.1 ml)
- Duration of treatment / exposure:
- 1, 24, 48 and 72 hours.
- Observation period (in vivo):
- (1, 24, 48 and 72 hours)
- Number of animals or in vitro replicates:
- 3
- Details on study design:
- REMOVAL OF TEST SUBSTANCE
- Washing (if done): No.
SCORING SYSTEM:
Assessment of ocular damage/irritation was made approximately 1 hour and 24, 48 and 72 hours following treatment, according to the grading in the test guideline. The result was classified according to EU classification system.
TOOL USED TO ASSESS SCORE: The light source from a standard ophthalmoscope.
OTHERS
Immediately before the start of the test, both eyes of the provisionally selected test rabbits were examined for evidence of ocular irritation or defect with the aid of a light source from a standard ophthalmoscope. Only animals free of ocular lesions were used. Initially, a single rabbit was treated. Immediately after administration of the test material, an assessment of the initial pain reaction was made. After consideration of the ocular responses produced in the first animal, two additional animals were treated.
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- conjunctivae score
- Remarks:
- (redness)
- Basis:
- animal #1
- Remarks:
- (110 Male)
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 0
- Remarks on result:
- other: The highest score of 1 observed at 1 hour.
- Irritation parameter:
- conjunctivae score
- Remarks:
- (redness)
- Basis:
- animal #2
- Remarks:
- (143 Male)
- Time point:
- 24/48/72 h
- Score:
- 0.7
- Max. score:
- 1
- Reversibility:
- fully reversible within: 72 hours
- Remarks on result:
- other: The highest score of 2 was observed at 1 hour. Score of 1 was observed at 24 and 48 hour.
- Irritation parameter:
- conjunctivae score
- Remarks:
- (redness)
- Basis:
- animal #3
- Remarks:
- (144 Male)
- Time point:
- 24/48/72 h
- Score:
- 0.7
- Max. score:
- 1
- Reversibility:
- fully reversible within: 72 hours
- Remarks on result:
- other: The highest score of 2 was observed at 1 hour. Score of 1 was observed at 24 and 48 hour.
- Irritation parameter:
- chemosis score
- Basis:
- animal #1
- Remarks:
- (110 Male)
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 1
- Remarks on result:
- other: The highest score of 1 was observed at 1 hour.
- Irritation parameter:
- chemosis score
- Basis:
- animal #2
- Remarks:
- (143 Male)
- Time point:
- 24/48/72 h
- Score:
- 0.3
- Max. score:
- 1
- Reversibility:
- fully reversible within: 48 hours
- Remarks on result:
- other: The highest score of 1 was observed at 1 and 24 hour.
- Irritation parameter:
- chemosis score
- Basis:
- animal #3
- Remarks:
- (144 Male)
- Time point:
- 24/48/72 h
- Score:
- 0.3
- Max. score:
- 1
- Reversibility:
- fully reversible within: 48 hours
- Remarks on result:
- other: The highest score of 2 was observed at 1 hour. Score of 1 was observed at 24 hour.
- Irritation parameter:
- cornea opacity score
- Basis:
- animal #1
- Remarks:
- (110 Male)
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 0
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- cornea opacity score
- Basis:
- animal #2
- Remarks:
- (143 Male)
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 0
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- cornea opacity score
- Basis:
- animal #3
- Remarks:
- (144 Male)
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 0
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- iris score
- Basis:
- animal #1
- Remarks:
- (110 Male)
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 0
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- iris score
- Basis:
- animal #2
- Remarks:
- (143 Male)
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 0
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- iris score
- Basis:
- animal #3
- Remarks:
- (144 Male)
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 0
- Remarks on result:
- no indication of irritation
- Irritant / corrosive response data:
- See table for the results. No corneal or iridial effects were noted during the study.
Minimal to moderate conjunctival irritation was noted in all treated eyes at the 1-hour observation. Minimal conjunctival irritation was noted in two treated eyes at the 24 and 48-hour observations.
Reversibility of any observed effect: Changes fully reversible within 3 days. - Other effects:
- Not reported.
Minimal to moderate conjunctival irritation was noted in all
treated eyes at the 1-hour observation.
All eyes appeared normal at the 72-hour observation.
Applicant's summary and conclusion
- Interpretation of results:
- other: not classified
- Remarks:
- Criteria used for interpretation of results: EU
- Conclusions:
- The test material did not produce positive criteria in any rabbit therefore the test material does not meet the criteria for classification according to EU classification system (Council Directive 67/548/EEC and Regulation (EC) No 1272/2008).
- Executive summary:
A study was performed to assess the irritancy potential of the test material to the eye of the New Zealand White rabbit. The method used followed that described in the OECD Guidelines for Testing of Chemicals No. 405 "Acute Eye Irritation/Corrosion" (adopted 24 February 1987) and Method B5 of Commission Directive 92/69/EEC (which constitutes Annex V of Council Directive 67/548/EEC). The results may be used as a basis for classification and labelling under Annex VI of Council Directive 67/548/EEC (as adapted to technical progress by Commission Directive 93/21/EEC) relating to the classification, packaging and labelling of dangerous substances.
During the study 91 mg of test material was instilled in the eyes of 3 New Zealand White rabbits. Signs of ocular irritation were observed over a period of 72 hours.
A single application of the test material to the non-irrigated eye of three rabbits produced minimal to moderate conjunctival irritation. All treated eyes appeared normal at the 72-hour observation.
The test material does not meet the criteria for classification according to EU classification system (Council Directive 67/548/EEC and Regulation (EC) No 1272/2008).
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