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EC number: 643-080-8 | CAS number: 24389-25-1
- 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
Acute Toxicity: dermal
Administrative data
- Endpoint:
- acute toxicity: dermal
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
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
- Reference substance name:
- lithium(1+) (difluorophosphoryl)oxidanide
- EC Number:
- 643-080-8
- Cas Number:
- 24389-25-1
- Molecular formula:
- LiPO2F2
- IUPAC Name:
- lithium(1+) (difluorophosphoryl)oxidanide
- Test material form:
- solid: particulate/powder
- Details on test material:
- Batch number: 8252153
Constituent 1
Test animals
- Species:
- rat
- Strain:
- Wistar
- Remarks:
- CRL:(WI) rats
- Sex:
- male/female
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Charles River Laboratories, Research Models and Services, Germany GmbH, Sandhofer Weg 7, D-97633 Sulzfeld
- Females (if applicable) nulliparous and non-pregnant: yes
- Age at study initiation: Young adult rats
- Weight at study initiation: Males between 259g and 293g, Females between 205g and 256g
- Fasting period before study: none
- Housing :Individual caging (Cage type: Type II. polypropylene/polycarbonate Bedding: Laboratory bedding:
Lignocel Hygienic Animal Bedding produced by J. Rettenmaier & Söhne GmbH+Co.KG
- Diet (e.g. ad libitum): ssniff® SM R/M "Autoclavable complete diet for rats and mice – breeding and maintenance" produced by ssniff Spezialdiäten GmbH, D-59494 Soest, Germany ad libitum
- Water (e.g. ad libitum): tap water from the municipal supply, as for human consumption from 500 ml bottle ad libitum.
- Acclimation period: At least 5 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20.1 - 25°C
- Humidity (%): 30-51%
- Air changes (per hr): 15-20
- Photoperiod (hrs dark / hrs light): 12h dark' / 12h light
Administration / exposure
- Type of coverage:
- semiocclusive
- Vehicle:
- unchanged (no vehicle)
- Details on dermal exposure:
- TEST SITE
- Area of exposure: back of each animal
- % coverage: 10
- Type of wrap if used: semi-occlusive plastic wrap
REMOVAL OF TEST SUBSTANCE
- Washing (if done): yes
- Time after start of exposure: 24h
TEST MATERIAL
- For solids, paste formed: moisten with water when applied to skin
- Duration of exposure:
- 20 hours
- Doses:
- Sighting study: 50, 200, 1000, 2000 mg/kg bw
Main study: 1000 mg/kg bw - No. of animals per sex per dose:
- Sighting study: 1 animal per dose
Main study: 4 females, 5 males - Control animals:
- no
- Details on study design:
- - Duration of observation period following administration: 14 days
- Frequency of observations and weighing: Clinical observations were performed on the day of treatment at 1 and 5 hours after application of the test item and once each day for 14 days thereafter. Observations included the skin and fur, eyes and mucous membranes, the respiratory, circulatory, autonomic and central nervous system, somatomotor activity and behaviour pattern. Particular attention was directed to observation of tremors, convulsions, salivation, diarrhoea, lethargy, sleep and coma. The body weights were recorded on Day 0 (before test item administration) and on Days 7 and 14.
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs, body weight, gross pathology - Statistics:
- None
Results and discussion
- Preliminary study:
- As the animal treated at a dose level of 2000 mg/kg bw in the sighting period, showed severe signs of a corrosive effect, the animal was euthanized and the dose level for the main period was defined as 1000 mg/kg bw.
Effect levels
- Key result
- Sex:
- male/female
- Dose descriptor:
- LD50
- Effect level:
- > 1 000 - < 2 000 mg/kg bw
- Based on:
- test mat.
- Mortality:
- Administration of the test item at a dose level of 1000 mg/kg body weight did not cause mortality, however due to the severe corrosive effects caused by the administration of the test item, two male animals were euthanized due to ethical reasons.
- Clinical signs:
- other: No systemic clinical signs were observed after treatment with the test item or during the 14-day observation period. Piloerection observed in case of 2 animals is suspected to be associated with the general bad condition of the animal caused by the severe
- Gross pathology:
- Test-item related, diffuse, grey discoloration of the skin at the site of application could be detected in 2/3 male and 1/5 female rats. In 1/5 male and 4/5 female rats, there was no evidence of the test item-related observations at a dose level of 1000 mg/kg bw at necropsy.
- Other findings:
- LOCAL DERMAL SIGNS
Administration of the test item at a dose level of 1000 mg/kg bw caused necrotic skin surface, wounds, scabs, erythema, oedema and scaled skin. Full recovery of the local signs was observed in case of 1/5 male and 4/5 females. Local signs were irreversible within the observation period in case of one female and two males. In case of two male animals, necrotic tissues on an extended surface was observed on the exposed skin area, therefore the animals were euthanized for animal welfare reasons in consultation with the clinical veterinarian.
Any other information on results incl. tables
Severe corrosive effects were seen in the 2000 mg/kg bw test group and irreversible local effects on the skin within the observation period in case of one female and two males (1000 mg/kg bw).
Applicant's summary and conclusion
- Interpretation of results:
- Category 4 based on GHS criteria
- Conclusions:
- The acute dermal median lethal dose (LD50) of the test item was found to be higher than 1000 mg/kg body weight in male and female CRL:(WI) rats. Severe corrosive effects were seen in the 2000 mg/kg bw test group and irreversible local effects on the skin was observed.
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