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EC number: 604-047-3 | CAS number: 137863-20-8
- 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:
- 6.6.1994 - 1.7.1994
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 994
- Report date:
- 1994
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 405 (Acute Eye Irritation / Corrosion)
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Reference substance name:
- Tetrazolyl-valinesteramid (3-methyl-2-{pentanoyl-[2'-(1H-tetrazol-5-yl)-biphenyl-4-ylmethyl]-amino}-butyric acid benzyl ester)
- EC Number:
- 604-047-3
- Cas Number:
- 137863-20-8
- Molecular formula:
- C31 H35 N5 O3
- IUPAC Name:
- Tetrazolyl-valinesteramid (3-methyl-2-{pentanoyl-[2'-(1H-tetrazol-5-yl)-biphenyl-4-ylmethyl]-amino}-butyric acid benzyl ester)
Constituent 1
Test animals / tissue source
- Species:
- rabbit
- Strain:
- other: Chbb:HM (SPF)
- Details on test animals or tissues and environmental conditions:
- Rabbits Chbb:HM (SPF) from Dr. K. Thomae GmbH, Biberach (FRO) were used. Animals were utilized only if they were judged healthy on the basis of general
observations and body weight (performed predose).
Animals were assigned to the study using computer-generated random numbers.
Animal identification was by an individual number written with a waterproof marker on the ear.
The animals were acclimatized to laboratory conditions for 8 days. The initial age (at dosing) was 179 to 193 days. The initial weight range (at dosing) was 2145 to
2252 g.
Husbandry
The animals were housed individually in stainless steel cages in an air-conditioned room. The temperature was 20 ± 3 °c, and the relative humidity 30 to 70 %.
Artificial light was provided from 6 a.m. to 6 p.m.
Pelleted standard diet NAFAG No. 814 was freely available (NAFAG, 9202 Gossau, Switzerland). The diet is analyzed for composition and contaminants by the manufacturer and analytical results are archived by the Animal Supply Office CIBA-GEIGY (batches are given in the raw data).
Tap water was freely available. The water is analyzed periodically by lndustrielle Werke Basel (Basel City water supply plant) for compliance with Swiss drinking
water specifications.
Test system
- Vehicle:
- unchanged (no vehicle)
- Controls:
- other: not required, the untreated eye of each animal served as control
- Amount / concentration applied:
- Application volume: approx. 0.1 g / animal
0.07 g was the maximal amount which could be put into the conjunctiva! sac
The Test Artice! was administered into the conjunctiva! sac of one eye. The contralateral eye was used as control. - Duration of treatment / exposure:
- single application
- Observation period (in vivo):
- 72 h
reading time points: 1, 24, 48 and 72 h - Number of animals or in vitro replicates:
- 3
- Details on study design:
- Three animals of a pool were selected based on a primary eye examination (24 hrs. before dosing).
0.1 g of the test article was prepared for the application into the conjunctiva! sac of the first animal. 0.07 g was the maximal amount which could be put into the
conjunctiva! sac. After the first assessment of eye reactions in the first animal, the same amount (0.07 g) of compound was then applied to two additional animals.
This stepwize procedure was used to omitt unexpected severe eye reactions in a whole group of 3 animals.
The lids were gently hold together for a second to prevent loss of material.
The test article was administered once.
The administration was performed between 10:00 a.m. and 12:00 a.m ..
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- cornea opacity score
- Basis:
- animal #1
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- cornea opacity score
- Basis:
- animal #2
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- cornea opacity score
- Basis:
- animal #3
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- iris score
- Basis:
- animal #1
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 2
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- iris score
- Basis:
- animal #2
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 2
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- iris score
- Basis:
- animal #3
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 2
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- conjunctivae score
- Basis:
- animal #1
- Time point:
- 24/48/72 h
- Score:
- 1
- Max. score:
- 3
- Reversibility:
- fully reversible within: 24 h
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- conjunctivae score
- Basis:
- animal #2
- Time point:
- 24/48/72 h
- Score:
- 1
- Max. score:
- 3
- Reversibility:
- fully reversible within: 48h
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- conjunctivae score
- Basis:
- animal #3
- Time point:
- 24/48/72 h
- Score:
- 1
- Max. score:
- 3
- Reversibility:
- fully reversible within: 48h
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- chemosis score
- Basis:
- animal #1
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- chemosis score
- Basis:
- animal #2
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- chemosis score
- Basis:
- animal #3
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
- Other effects:
- One and 24 h after application of the test article to the rabbit eyes, only a slight redness of the conjunctivae was observed. The redness was reversible in all animals by 48 h after application of the test article. No other effects were observed. Therefore, the test was finished after 3 days of observation.
Any other information on results incl. tables
Mortality: No mortality was observed.
Clinical Signs: No clinical signs were observed.
Body Weight: No significant compound related effect was observed.
Applicant's summary and conclusion
- Interpretation of results:
- not irritating
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- CLP: not classified
According to the EC classification criteria PBS 859 DS is classified as nonirritant.
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