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Diss Factsheets
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EC number: 922-551-4 | CAS number: 1187440-66-9
- 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
Acute Toxicity: dermal
Administrative data
- Endpoint:
- acute toxicity: dermal
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2008-01-02 to 2008-03-03
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 008
- Report date:
- 2008
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 402 (Acute Dermal Toxicity)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Test type:
- standard acute method
- Limit test:
- yes
Test material
- Details on test material:
- - form: flake
- batch: T71241
- re-test analysis: 2008-03-22
- storage: room temperature
Constituent 1
Test animals
- Species:
- rat
- Strain:
- Sprague-Dawley
- Sex:
- male/female
- Details on test animals or test system and environmental conditions:
- Twenty Sprague Dawley rats (SPF Caw) originated from Elevage JANVIER (53940 Le Genest St Isle – France), were used after an acclimatisation period of at least five days. At the beginning of the study, the animals of the treated group weighed between 225 g and 240 g (males) and between 199 g and
212 g (females) and were 6-8 weeks old.
During the treatment, the animals were kept in individual cage. At D3, the animals were put into their cage by 2 or 3. The rats were kept in solid-bottomed clear polycarbonate cages with a stainless steel mesh lid. Each cage contains sawdust bedding which was changed at least 2 times a week. Each cage was installed in conventional air conditioned animal husbandry; the environmental conditions were:
- temperature : between 20 °C and 23 °C
- relative humidity : between 32 % and 62 %
- lighting time: 12 hours daily
Drinking water (tap-water from public distribution system) and foodstuff were supplied freely.
Microbiological and chemical analyses of the water were carried out once every six months by the Institut Européen de l'Environnement de Bordeaux (I.E.E.B.).
Administration / exposure
- Type of coverage:
- semiocclusive
- Vehicle:
- paraffin oil
- Details on dermal exposure:
- Animals from the treated group received by topical application, under porous gauze dressing, an effective dose of 2000 mg/kg body weight of the product, diluted in liquid paraffin under a volume of 10 mL/kg body weight, during 24 hours. After 24-hour exposure period, the gauze dressings were removed.
Animals from Control Group received in the same experimental conditions the control item (distilled water) under a volume of 2 mL/kg body weight. - Duration of exposure:
- 24 hours
- Doses:
- 2000 mg/kg bw in 10 ml/kg bw
- No. of animals per sex per dose:
- Control group: 5 male and 5 female rats
Treated group (1 dose): 5 male and 5 female rats - Control animals:
- yes
- Details on study design:
- - 2 groups of rats: 10 controls (treated with distilled water) and 10 treated animals (2000 mg/kg bw)
- topical application, under porous gauze dressing for 24 hours
- after gauze dressing removal, clinical observation 1, 3 and 5 hours and each day for 14 days
- weight evolution 2, 7 and 14 days after the topical application
- autopsy at the end of the study, Day 14 and macroscopic observations of the main organs.
Results and discussion
Effect levels
- Sex:
- male/female
- Dose descriptor:
- LD50
- Effect level:
- > 2 000 mg/kg bw
- Mortality:
- No mortality occurred during the study.
- Clinical signs:
- other: Neither cutaneous reactions nor systemic clinical signs related to the administration of the test item were observed.
Applicant's summary and conclusion
- Interpretation of results:
- not classified
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- The LD50 of the test product is higher than 2000 mg/kg body weight by dermal route in the rat.
According to the criteria for classification, packaging and labelling of dangerous substances and preparations in accordance with the E.E.C. Directives 67/548, 2001/59 and 99/45, the test product must not be classified. No symbol and risk phrase are required.
In accordance with the Globally Harmonized System (COM(2007)355 final), the test item needs not be classified in category 4. No signal word and hazard statement are required. - Executive summary:
The test product was applied onto the intact skin of 10 Sprague Dawley rats (5 males and 5 females) at the single dose of 2000 mg/kg body weight. The experimental protocol was established on the basis of the official method as defined in the O.E.C.D. guideline. n° 402 dated February 24th, 1987 and the test method B.3 of the directive. n° 92/69/EEC. No mortality occurred during the study. Neither cutaneous reactions nor systemic clinical signs related to the administration of the test item were observed. The body weight evolution of the animals remained normal throughout the study, similar between treated and control animals. The macroscopical examination of the animals at the end of the study did not reveal treatment-related changes. In conclusion, the LD50 of the test product is higher than 2000 mg/kg body weight by dermal route in the rat. According to the criteria for classification, packaging and labelling of dangerous substances and preparations in accordance with the E.E.C. Directives 67/548, 2001/59 and 99/45, the test product must not be classified. No symbol and risk phrase are required. In accordance with the Globally Harmonized System (COM(2007)355 final), the test item needs not be classified in category 4. No signal word and hazard statement are required.
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.
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