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Diss Factsheets
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EC number: 478-270-8 | CAS number: -
- 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:
- 2005
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- other: Report was translated from a Japanese report. Not all information is translated properly.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 005
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Qualifier:
- according to guideline
- Guideline:
- other: Draize J.H., Woodard G & Clavery H.Q. (1944).
- GLP compliance:
- yes
Test material
Reference
- Name:
- Unnamed
- Type:
- Constituent
Test animals
- Species:
- rabbit
- Strain:
- other: Kbs:JW
- Details on test animals or test system and environmental conditions:
- Female.
18 - 19 weeks old.
Breeding conditions:
Breeding room: CV-4 breeding room
Temperature: 22 +- 2 °C;
Humidity: 55 +- 20%;
Lighting: light and dark alternated for 12 h, lights on at 7:30 am, lights out 7:30 pm;
Ventilation No.: more than 15 times/h;
Feeding frequency: Once/day;
Microorganism level: Conventional level for breeding animals;
Housing cage:
Name: Aluminium hanging cage;
Size: 350 W x 500D x 345H (mm);
Floor cover: not used;
Diet:
Type: solid diet LRC-4 (Oriental Yeast);
Feeding method: at libitum;
Drinking water:
Type: Tap water specially installed at the Takasago Industry Institute, Kaneka (In accordance with the water standards of Takasago City).
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- shaved
- Vehicle:
- physiological saline
- Controls:
- not specified
- Amount / concentration applied:
- 500 mg
- Duration of treatment / exposure:
- 4 hours
- Observation period:
- Evaluations were carried out 1, 24, 48 and 72 h after removal of specimen.
Observation of the general conditions were performed up to day 14. - Number of animals:
- 3 animals
- Details on study design:
- The hair on the back of the rabbits was shaved with an electric shaver the day before topical application. The back surface was divided into 2.5 x 2.5 cm sections and 6 areas for application were established on each individual animal. For VRT-753136 HCl (=T003110), 0.5 mL physiological saline was applied to gauze consisting of 16 superimposed pieces (2.5 x 2.5 cm) and 0.5 g of the test compound was applied to it respectivley, followed by attaching th gauze to the skin.
The attached gauze was covered with oilpaper and immobilized with tape and separate gauzes were used to wrap the areas and the chest and stomach areas as well, and the rabbits were immobilized for 4 h using cangue-type immobilizing devices. After immobilization, the specimen was washed with purified water and the areas were lightly wiped to cleanse the specimen from the areas of topical application.
Evaluations were carried out in accordance with the method of Draize e al. 1, 24, 48 and 72 h after the specimens were removed. The items for observation include erythema and scar and edema formation, which were observed with naked eye. Observation of the general conditions were performed up to day 14.
Method of evaluation:
The primary evalution values were calculated from the mean for each scoring point (erythema or scar formation or edema formation) at 1, 24, 48 and 72 h after the specimens were removed. Means were furthe obtained from the mean values of observation at each time point to give primary irritation index PII, which is an indicator for the degree of irritation.
The minimum value of PII is 0 and the maximum value is 8, and the values were classified into 4 classes, in that 0 was rated as no irritation, and in sequence, 2 was rated as being a weakly irritating substance, greater than 2 but less than 5 a moderate irritating substance and greater than 5 a profoundly irritating substance.
Body weight measurment:
Body weight was measured on the day of topical application, and on day 7 and day 14.
Results and discussion
In vivo
Results
- Irritation parameter:
- overall irritation score
- Basis:
- mean
- Time point:
- other: 72 h
- Score:
- 0
- Max. score:
- 0
- Irritant / corrosive response data:
- No erythema or edema was observed throughout the study period in the topical application of VRT-753136 HCl (T003110). Also, no abnormality was observed throught the study period with respect to the general condition and change of body weight.
The primary irritation index (PII value) calculated by Draize method was 0 for VRT-753136 HCl (T003110). VRT-753136 HCl (T003110) was classified as "non-irritating". - Other effects:
- Throughout the entire study period no abnormality was observed in the general condition considered to be influenced by the topical application of the test substances.
No abnormality of the body weight was observed over time in any individual.
Applicant's summary and conclusion
- Interpretation of results:
- not irritating
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- The substance VRT-753136 HCl (T003110) is consisdered as "non-irritating" in this skin irriation test according to OECD Guideline No. 404.
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