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Diss Factsheets
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EC number: 470-740-0 | CAS number: 29721-79-7
- 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://echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_toxicological-information.png)
Acute Toxicity: oral
Administrative data
- Endpoint:
- acute toxicity: oral
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 17 August - 06 September, 2005
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study was conducted according to OECD and in accordance with GLP. The study material is well characterized
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 005
- Report date:
- 2005
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
- Version / remarks:
- adapted 17 Dec 2001
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.1 tris (Acute Oral Toxicity - Acute Toxic Class Method)
- Version / remarks:
- 2004/73/EC
- GLP compliance:
- yes
- Remarks:
- 2004/9/EC
- Test type:
- acute toxic class method
Test material
- Test material form:
- liquid
Constituent 1
Test animals
- Species:
- rat
- Strain:
- other: Sprague-Dawley CD ( Crl® (SD) IGS BR)
- Sex:
- female
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Charles River (UK) Ltd, Margate, Kent, UK.
- Age at study initiation: 8 - 12 weeks
- Weight at study initiation: ±20% of the mean
- Fasting period before study: Overnight
- Housing: Groups of 3 in suspendeed solid-floor polypropylene cages
- Diet : Free access to Certified Rat and Mouse Diet (Code 5LF2) supplied by BCM IPS Ltd, London, UK
- Water: Free acess to mains drinking water
- Acclimation period: 5 days minimum
ENVIRONMENTAL CONDITIONS
- Temperature: 19°C - 25°C
- Humidity: 30% - 70 %
- Air changes (per hr): 15 minimum
- Photoperiod (hrs dark / hrs light): 12hrs continuos light and 12hrs darkness.
Administration / exposure
- Route of administration:
- oral: gavage
- Vehicle:
- unchanged (no vehicle)
- Details on oral exposure:
- Using all available information on the toxicity of the test material, 2000 mg/kg was chosen as the starting dose.
Dose volume; 1.99ml/kgs - Doses:
- dose level: 2000 mg/kg
- No. of animals per sex per dose:
- 6 females per dose
- Control animals:
- no
- Details on study design:
- All animals were dosed once only by gavage, using a metal cannula attached to a graduated syringe. The volume administered was calculated according to the fasted bodyweight at the time of dosing. Treatment of animals was sequential. Sufficient time was allowed between each group to confirm the survival of the previously dosed animals.
The animals were observed for deaths or overt signs of toxicity 1/2, 1, 2 and 4 hours after the dosing and subsequently once daily for fourteen days.
Individual bodyweights were recorded prior to dosing and seven and fourteen days after treatment.
At the end of the observation period the animals were killed by cervical dislocation. All animals were subjected to gross pathological observations. This consisted of external examination and opening of the abdominal and thoracic cavities for examination of major organs. The appearance of any macroscopic abnormalities were recorded. No tissues were retained.
Results and discussion
Effect levels
- Sex:
- female
- Dose descriptor:
- LD50
- Effect level:
- > 2 500 mg/kg bw
- Based on:
- test mat.
- Mortality:
- There were no deaths.
- Clinical signs:
- other: Signs of systemic toxicity noted during the study were hunched posture, lethargy, increased salivation, pilo-erection, noisy repiration and red/brown staining around the mouth. Animals appeared normal two, three or nine days after dosing.
- Gross pathology:
- No abnormalities were noted at necropsy.
Applicant's summary and conclusion
- Interpretation of results:
- Category 5 based on GHS criteria
- Remarks:
- Migrated information
- Conclusions:
- The acute oral median lethal dose (LD50) of the test material in the female Sprague-Dawley CD strain rat was estimated to be greater than 2500 mg/kg bodyweight (GHS Category 5 >2000 - 5000 mg/kg bodyweight)
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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