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EC number: 423-040-4 | CAS number: 125700-67-6 TBTU
- 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: oral
Administrative data
- Endpoint:
- acute toxicity: oral
- 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:
- other: (robust) study summaries provided by ECHA
- Title:
- Unnamed
- Year:
- 1 997
- Report date:
- 1997
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.1 (Acute Toxicity (Oral))
- GLP compliance:
- yes
- Test type:
- fixed dose procedure
Test material
- Reference substance name:
- 2-(1-H-benzotriazol-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate
- EC Number:
- 423-040-4
- EC Name:
- 2-(1-H-benzotriazol-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate
- Cas Number:
- 125700-67-6
- Molecular formula:
- C11H16N5O.BF4
- IUPAC Name:
- [(1H-1,2,3-benzotriazol-1-yloxy)(dimethylamino)methylidene]dimethylazanium; tetrafluoroboranuide
- Test material form:
- solid: particulate/powder
Constituent 1
Test animals
- Species:
- rat
- Strain:
- other: HSD
- Sex:
- male/female
Administration / exposure
- Vehicle:
- other: 1% w/v aqueous methylcellulose
- No. of animals per sex per dose:
- Preliminary sighting study: 2 (female)
Main study: 10 (male)
Main study: 10 (female)
Results and discussion
Effect levelsopen allclose all
- Sex:
- male/female
- Dose descriptor:
- discriminating dose
- Effect level:
- 500 mg/kg bw
- Based on:
- test mat.
- Sex:
- male/female
- Dose descriptor:
- other: fixed dose further
- Effect level:
- 500 mg/kg bw
- Based on:
- test mat.
- Remarks on result:
- other: No. with evident toxicity: 5; No. of deaths: 0; No. of animals used: 5
- Sex:
- male/female
- Dose descriptor:
- LD50
- Effect level:
- > 500 - < 2 000 mg/kg bw
- Based on:
- test mat.
- Clinical signs:
- other: Signs of toxicity: Signs of toxicity included piloerection, abnormal body carriage, abnormal gait and increased salivation, seen among all rats at both doses. In addition, lethargy, decreased respiratory rate, partially closed eyelids, pallor of the extre
- Gross pathology:
- Effects on organs:
Amongst decedents changes to the majority of major organs
and tissues were observed. No treatment-related macroscopic
findings were observed in the surviving animals. - Other findings:
- All males dosed at 2000 mg/kg died during the study, all
deaths occured between 4 and 48 hours of dosing
Applicant's summary and conclusion
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.