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Diss Factsheets
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EC number: 824-263-3 | CAS number: 2196165-14-5
- 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
![](https://chesar.echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_toxicological-information.png)
Endpoint summary
Administrative data
Description of key information
Key value for chemical safety assessment
Acute toxicity: via oral route
Link to relevant study records
- Endpoint:
- acute toxicity: oral
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 420 (Acute Oral Toxicity - Fixed Dose Method)
- Version / remarks:
- 2001
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.1 bis (Acute Oral Toxicity - Fixed Dose Procedure)
- GLP compliance:
- yes (incl. QA statement)
- Test type:
- acute toxic class method
- Limit test:
- yes
- Species:
- rat
- Strain:
- Wistar
- Sex:
- female
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Envigo RMS (UK) Limited, Oxon, UK.
- Females (if applicable) nulliparous and non-pregnant: yes
- Age at study initiation: 8 to 12 weeks of age
- Fasting period before study: overnight
- Housing: suspended solid-floor polypropylene cages furnished with softwood flake bedding
- Diet: free access to food (2014C Teklad Global Rodent diet)
- Water: free access
- Acclimation period: 5 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 19 to 25 °C
- Humidity (%): 30 to 70%
- Air changes (per hr): at least fifteen changes per hour
- Photoperiod (hrs dark / hrs light): ighting was controlled by a time switch to give 12 hours continuous light and 12 hours darkness
- Route of administration:
- oral: gavage
- Vehicle:
- water
- Details on oral exposure:
- VEHICLE
- Concentration in vehicle: 30 mg/mL and 200mg/mL
- Amount of vehicle (if gavage): not specified
- Justification for choice of vehicle: solubility of the test item
MAXIMUM DOSE VOLUME APPLIED: 2000 mg/kg
CLASS METHOD (if applicable)
- Rationale for the selection of the starting dose: In the absence of data regarding the toxicity of the test item, 300 mg/kg was chosen as the starting dose. - Doses:
- In the absence of data regarding the toxicity of the test item, 300 mg/kg was chosen as the starting dose and a single animal was treated.
In the absence of toxicity at a dose level of 300 mg/kg, an additional animal was treated at a dose level of 2000 mg/kg.
In the absence of toxicity at a dose level of 2000 mg/kg, an additional group of animals was treated at the same dose level. - No. of animals per sex per dose:
- 1 animal at 300 mg/kg
5 animasl at 2000 mg/kg - Control animals:
- no
- Details on study design:
- - Duration of observation period following administration: 14 days
- Frequency of observations and weighing: Clinical observations were made 30 minutes, 1, 2, and 4 hours after dosing and then daily for up to 14 days. Morbidity and mortality checks were made twice daily, early and late during normal working days, and once daily at weekends and public holidays. Individual body weights were recorded on Day 0 (the day of dosing) and on Days 7 and 14.
- Necropsy of survivors performed: yes
- Other examinations performed: All animals were subjected to gross necropsy. This consisted of an external examination and opening of the abdominal and thoracic cavities. The appearance of any macroscopic abnormalities was recorded. No tissues were retained. - Key result
- Sex:
- female
- Dose descriptor:
- LD50
- Effect level:
- > 2 000 mg/kg bw
- Based on:
- act. ingr.
- Mortality:
- Dose Level - 300 mg/kg: There were no deaths.
Dose Level - 2000 mg/kg: There were no deaths. - Clinical signs:
- other: Dose Level - 300 mg/kg: No signs of systemic toxicity were noted during the observation period. Dose Level - 2000 mg/kg: No signs of systemic toxicity were noted during the observation period. Black stained feces were noted in one treated animal one to f
- Gross pathology:
- Dose Level - 300 mg/kg: No abnormalities were noted at necropsy.
Dose Level - 2000 mg/kg: Abnormalities noted at necropsy of one treated animal were hemorrhagic lungs, patchy pallor of the liver, pale kidneys and a raised limiting ridge of the stomach. No abnormalities were noted at the necropsy of the four other animals. - Interpretation of results:
- GHS criteria not met
- Conclusions:
- The acute oral median lethal dose (LD50) of the test item in the female Wistar strain rat was estimated to be greater than 2000 mg/kg body weigh.
- Executive summary:
The study was performed to assess the acute oral toxicity of the test item in the Wistar strain rat. Following a sighting test at dose levels of 300 mg/kg and 2000 mg/kg, a further group of four fasted females was given a single oral dose of test item, as a suspension in distilled water, at a dose level of 2000 mg/kg body weight. Clinical signs and body weight development were monitored during the study. All animals were subjected to gross necropsy.
There were no deaths. There were no signs of systemic toxicity. All animals showed expected gains in body weight. Abnormalities were noted at necropsy of one animal treated at a dose level of 2000 mg/kg were hemorrhagic lungs, patchy pallor of the liver, pale kidneys and a raised limiting ridge of the stomach.
The acute oral median lethal dose (LD50) of the test item in the female Wistar strain rat was estimated to be greater than 2000 mg/kg body weight (Globally Harmonized Classification System - Unclassified).
Reference
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed
- Dose descriptor:
- LD50
- Value:
- > 2 000 mg/kg bw
- Quality of whole database:
- Results of a study following OECD 420 guideline, GLP compliant.
Acute toxicity: via inhalation route
Endpoint conclusion
- Endpoint conclusion:
- no study available
Acute toxicity: via dermal route
Endpoint conclusion
- Endpoint conclusion:
- no study available
Additional information
Justification for classification or non-classification
The result of one Acute Oral Toxicity study, conducted according to the OECD 420 guideline, gave as a result that the acute oral median lethal dose (LD50) of the test item in the female Wistar strain rat was estimated to be > 2000 mg/kg body weight. According to the criteria described in the Annex I of the EC Regulation 1272/2008, the substance is not classified as Acute Tox Oral.
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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