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EC number: 203-689-8 | CAS number: 109-63-7
- 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
Endpoint summary
Administrative data
Key value for chemical safety assessment
Additional information
in vitro:
BASF (1989) reported a bacterial reverse mutation assay (Ames test). Diethyl ether boron trifluoride was tested with and without metabolic activation using the S. typhimurium strains TA 1535, TA 1537, TA 98 and TA 100. The test concentrations ranged from 4 - 5000 ug/plate. A negative result was achieved.
Boron trifluoride dihydrate (CAS: 13319-75-0) was tested for mutagenic potential in an in vitro mammalian cell mutation assay (Huntingdon Life Sciences, 2010). The study consisted of a preliminary toxicity test and two main tests comprising three independent mutagenicity assays. The cells were exposed for either 3 hours or 24 hours in the absence of exogenous metabolic activation (S9 mix) or 3 hours in the presence of S9 mix. Boron trifluoride dihydrate was found to be soluble at 67.8 mg/mL in water. A final concentration of 450 mg/mL, dosed at 1%v/v, was used as the maximum concentration in the preliminary toxicity test, in order to test up to the highest concentration that does not cause a fluctuation in pH of more than 1.0 unit. Toxicity was observed in the preliminary toxicity test. Following a 3 hour exposure to boron trifluoride dihydrate at concentrations from 0.9 to 450 mg/mL, relative suspension growth (RSG) was reduced from 107 to 71% and from 113 to 68% in the absence and presence of S9 mix respectively. Following a 24-hour exposure in the absence of S9 mix RSG was reduced from 114 to 1%. The concentrations assessed for determination of mutant frequency in the main test were based upon these data, the objective being to assess concentrations which span the complete toxicity range of approximately 10 to 100% relative total growth (RTG), or to assess exposure up to the highest concentration that does not cause a fluctuation in pH of more than 1.0 unit. Following 3-hour treatment in the absence and presence of S9 mix, there were no clear increases in the mean mutant frequencies of any of the test concentrations assessed that exceeded the sum of the mean concurrent vehicle control mutant frequency and the Global Evaluation Factor (GEF), within acceptable levels of toxicity. The maximum concentrations assessed for mutant frequency in the 3 hour treatment in the absence and presence of S9 mix was 450mg/mL. In the absence and presence of S9 mix RTG was reduced to 51 and 46% respectively. In the 24-hour treatment, the maximum concentration assessed for mutant frequency was 300 mg/mL. No increase in mutant frequency exceeded the sum of the mean concurrent vehicle control mutant frequency and the GEF was observed at concentrations up to 300 mg/mL, where RTG was reduced to 11%. In all tests the concurrent vehicle and positive control were within acceptable ranges. It was concluded that boron trifluoride dihydrate did not demonstrate mutagenic potential in this in vitro cell mutation assay, under the experimental conditions described.
A study was performed to assess the ability of boron trifluoride dihydrate (CAS: 13329-75-0) to induce chromosomal aberrations in human lymphocytes cultured in vitro (Huntingdon Life Sciences, 2010). Human lymphocytes were exposed to the test substance both in the absence and presence of S9 mix. In the absence of S9 mix, boron trifluoride dihydrate caused statistically significant increases in the proportion of metaphase figures containing chromosomal aberrations at 450 µg/mL (3 hour treatment, including gaps; no significant increase if excluding gaps) and at 162 µg/mL (21 hour treatment, including gaps) and 270 µg/mL (21 hour treatment, excluding and including gaps), when compared with the concurrent solvent control. In the presence of S9 mix, boron trifluoride dihydrate caused no statistically significant increases in the proportion of metaphase figures containing chromosomal aberrations, at any concentration, when compared with the solvent control, in either test. No statistically significant increases in the proportion of polyploid cells were observed during metaphase analysis, in either test. Boron trifluoride dihydrate has shown evidence of causing an increase in the frequency of structural chromosome aberrations, in the absence of S9 mix after 21-hour exposure period, in this in vitro cytogenetic test system, under the experimental conditions described.
in vivo:
No data/information is available for effects on in vivo mutagenicity. Severe toxicity is expected to be observed after exposure well before effects on mutagenicity are induced (for further details see attachement). For this reason, any in vivo mutagenicity study is scientifically unjustified.
Endpoint Conclusion:
Justification for classification or non-classification
Based on the available data of diethyl ether boron trifluoride and boron trifluoride, no classification is proposed.
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