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Diss Factsheets
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EC number: 947-589-9 | 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
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:
- From August 04, 2016 to August 31, 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 870.1100 (Acute Oral Toxicity)
- GLP compliance:
- yes
- Test type:
- acute toxic class method
- Limit test:
- yes
- Specific details on test material used for the study:
- Batch no.: RE 10-7
Purity/composition: 92.75%
Appearance: lightly yellow paste - Species:
- rat
- Strain:
- Wistar
- Remarks:
- Crl:WI (Han)
- Sex:
- female
- Details on test animals or test system and environmental conditions:
- Source: Charles River Deutschland, Sulzfeld, Germany
Age: approx. 8 weeks old
Acclimatization period: at least 5 days before start of treatment
Temperature and relative humidity: 18 to 24°C and 40 to 70%, respectively.
Light period cycle: 12-hour light/12-hour dark
Diet and water: pelleted rodent diet (SM R/M-Z from SSNIFF® Spezialdiäten GmbH, Soest, Germany) and tap water, ad libitum - Route of administration:
- oral: gavage
- Vehicle:
- unchanged (no vehicle)
- Details on oral exposure:
- - Method: oral gavage (plastic feeding tubes)
- Fasting: animals were deprived of food overnight prior to dosing and until 3-4 hours after administration of the test substance. Water was available ad libitum.
- Administration. Frequency: single dosage on Day 1. Dose level (volume): 2000 mg/kg (2.06 mL/kg) bw. Dose volume calculated as dose level (g/kg) / specific gravity * (100 / purity (%)). - Doses:
- 2000 mg/kg bw
- No. of animals per sex per dose:
- 3
- Control animals:
- no
- Details on study design:
- The test substance was administered by oral gavage to two consecutive groups of three female Wistar rats at 2000 mg/kg bw. Animals were subjected to daily observations and weekly determination of body weight. Macroscopic examination was performed after terminal sacrifice (Day 15). (The onset, duration and severity of the signs of toxicity were taken into account for determination of the time interval between the dose groups).
- Statistics:
- No statistical analysis was performed (the method used is not intended to allow the calculation of a precise LD50 value).
- Key result
- Sex:
- female
- Dose descriptor:
- LD50
- Effect level:
- > 2 000 mg/kg bw
- Based on:
- test mat.
- Mortality:
- No mortality occurred.
- Clinical signs:
- other: Piloerection was noted for three animals on Day 1 only.
- Gross pathology:
- No abnormalities were found at macroscopic post mortem examination of the animals.
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- Under the study conditions, the acute oral LD50 of the substance in rats was determined to be greater than 2000 mg/kg bw.
- Executive summary:
A study was conducted to determine the acute oral toxicity of the substance according to OECD Guideline 423 and EPA OPPTS 870.1100, in compliance with GLP. The test substance was administered by gavage to two groups of three female Wistar rats each at a dose of 2000 mg/kg bw. Animals were subjected to daily clinical observation and weekly determination of body weight. Macroscopic examination was performed after terminal sacrifice on Day 15. No mortality occurred in the study. The mean body weight gain over the study period was considered to be normal. No abnormalities were found at macroscopic post mortem examination. Under the study conditions, the acute oral LD50 of the substance in rats was determined to be greater than 2000 mg/kg bw (van Huygevoort, 2016).
Reference
The oral LD50 (rats) was established to exceed 2000 mg/kg bw. According to the OECD 423 test guideline, the LD50 cut-off value was considered to exceed 5000 mg/kg bw. Based on these results, the test substance does not have to be classified and has no obligatory labelling requirement for acute oral toxicity according to the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) of the United Nations (2015) (including all amendments) and Regulation (EC) No 1272/2008 on classification, labelling and packaging of items and mixtures (including all amendments).
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed
- Dose descriptor:
- LD50
- Value:
- 2 000 mg/kg bw
Acute toxicity: via inhalation route
Link to relevant study records
- Endpoint:
- acute toxicity: inhalation
- Data waiving:
- other justification
- Justification for data waiving:
- other:
Reference
Endpoint conclusion
- Endpoint conclusion:
- no study available
Acute toxicity: via dermal route
Link to relevant study records
- Endpoint:
- acute toxicity: dermal
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- the study does not need to be conducted because the substance does not meet the criteria for classification as acute toxicity or STOT SE by the oral route and no systemic effects have been observed in in vivo studies with dermal exposure (e.g. skin irritation, skin sensitisation)
- Reason / purpose for cross-reference:
- data waiving: supporting information
Reference
Endpoint conclusion
- Endpoint conclusion:
- no study available
Additional information
A study was conducted to determine the acute oral toxicity of the substance according to OECD Guideline 423 and EPA OPPTS 870.1100, in compliance with GLP. The test substance was administered by gavage to two groups of three female Wistar rats each at a dose of 2000 mg/kg bw. Animals were subjected to daily clinical observation and weekly determination of body weight. Macroscopic examination was performed after terminal sacrifice on Day 15. No mortality occurred in the study. The mean body weight gain over the study period was considered to be normal. No abnormalities were found at macroscopic post mortem examination. Under the study conditions, the acute oral LD50 of the substance in rats was determined to be greater than 2000 mg/kg bw (van Huygevoort, 2016).
Justification for classification or non-classification
Based on the acute oral toxicity study conducted with the substance, no classification for acute oral toxicity is warranted according to EU CLP (EC 1272/2008) criteria.
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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