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EC number: 639-263-7 | CAS number: 200575-15-1
- 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
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 6th to 9th August 1997
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 997
- Report date:
- 1997
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
- Deviations:
- yes
- Remarks:
- The upper value for humidity recorded was 73%. This deviation is not considered to have affected the integrity or validity of the study.
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- 4-[2-Ethoxy-5-(4-methyl-1-piperazinylsulfonyl)benzamido]-1-3-propyl-1H-pyrazole-5-carboxamide
- EC Number:
- 639-263-7
- Cas Number:
- 200575-15-1
- Molecular formula:
- C22H32N6O5S
- IUPAC Name:
- 4-[2-Ethoxy-5-(4-methyl-1-piperazinylsulfonyl)benzamido]-1-3-propyl-1H-pyrazole-5-carboxamide
- Test material form:
- solid: particulate/powder
1
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- batch No.of test material: 92480/N/9/1
- Expiration date of the lot/batch: Not supplied
- Purity: 95 %
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Room temperature
Test animals
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Charles River UK
- Age at study initiation: 12 to 13 weeks
- Weight at study initiation: 2.8 to 3.1 kg
- Housing: housed individually
- Diet (e.g. ad libitum): ad libitum
- Water (e.g. ad libitum):ad libitum
- Acclimation period: period not specified (prior to treatment (Day 1). All rabbits were acclimatised to the experimental environment.
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 15.5 to 25°C
- Humidity (%): 51 - 73%
- Air changes (per hr): 19
- Photoperiod (hrs dark / hrs light): 12 hours of artificial light (0700 - 1900 hours) in each 24 hours period.
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- shaved
- Vehicle:
- water
- Controls:
- not specified
- Amount / concentration applied:
- Approximately 0.5g of the test substance was applied under a 25 mm x 25 mm gauze pad which was then moistened with 0.5 ml distilled water, to one intact skin site on each animal.
- Duration of treatment / exposure:
- 72 hours
- Observation period:
- Examination of the treated skin was made on Day 1 (ie approximately 60 minutes after removal of the dressings) and on Days 2, 3 and 4 (equivalent to 24, 48 and 72 hours after exposure).
- Number of animals:
- 3
- Details on study design:
- TEST SITE
- Area of exposure: dorso-lumbar region of each rabbit exposing an area of skin approximately 100 mm x 100 mm.
- Type of wrap if used: 25 mm x 25 mm gauze pad
REMOVAL OF TEST SUBSTANCE
- Washing (if done): At the end of the exposure period, the semi-occlusive dressing and gauze pad were removed and the treatment site was washed with warm water (30° to 40°C) and the test area was blotted dry with absorbent paper.
- Time after start of exposure: 4 hours
OBSERVATION TIME POINTS
Clinical signs: daily
Dermal responses: Day 1 (approximately 60 mins after removal of the dressings) and on Days 2, 3 and 4.
SCORING SYSTEM:
- Method of calculation: Local dermal irritation was assessed using the prescribed numerical system:
Erythema and eschar formation:
No erythema 0
Very slight erythema (barely perceptible) 1
Well-defined erythema 2
Moderate to severe erythema 3
Severe erythema (beet redness) to slight eschar formation (injuries in depth) preventing erythema reading 4
Oedema formation:
No oedema 0
Very slight oedema (barely perceptible) 1
Slight oedema (edges of area well-defined by definite raising) 2
Moderate oedema (raised approximately 1 millimetre) 3
Severe oedema (raised more than 1 millimetre and extending beyond the area of exposure) 4
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- mean
- Time point:
- 24/48/72 h
- Score:
- 0
- Irritation parameter:
- edema score
- Basis:
- mean
- Time point:
- 24/48/72 h
- Score:
- 0
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- A single semi-occlusive application of UK-220,955 to intact rabbit skin for four hours elicited no dermal irritation.
- Executive summary:
A study was performed to assess the skin irritation potential of UK-220,955 to the rabbit. The method followed was that described in EEC Methods for the determination of toxicity, Annex to Directive 92/69/EEC (OJ No. L383A, 29.12.92), Part B, Method B.4. Acute toxicity (skin irritation).
Three rabbits were each administered a single dermal dose of 0.5 g of the test substance and observed for four days.
No dermal reactions were observed in any animal following a single semi-occlusive application of UK-220,955 to intact rabbit skin for four hours.
UK-220,955 will not require labelling in accordance with GHS.
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