Registration Dossier
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EC number: 215-125-8 | CAS number: 1303-86-2
- 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

Stability: thermal, sunlight, metals
Administrative data
- Endpoint:
- stability: thermal, sunlight, metals, other
- Remarks:
- Migrated from section 'Stability: thermal, sunlight, metals'
- Type of information:
- not specified
- Adequacy of study:
- supporting study
- Study period:
- No data
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: Secondary literature source.
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- Kirk-Othmer encyclopedia of chemical technology.
- Author:
- Kirk-Othmer
- Year:
- 1 992
- Bibliographic source:
- Kirk-Othmer encyclopedia of chemical technology. John Wiley & Sons Inc., New York. 4th Edition. Vol. 4: 369.
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: No data
- Deviations:
- not specified
- Principles of method if other than guideline:
- No data
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Diboron trioxide
- EC Number:
- 215-125-8
- EC Name:
- Diboron trioxide
- Cas Number:
- 1303-86-2
- Molecular formula:
- B2O3
- IUPAC Name:
- bicyclo[1.1.1]diboroxane
- Details on test material:
- - Name of test material: Boric oxide
Constituent 1
Results and discussion
For thermal stability study
- Test substance thermally stable:
- not determined
- Sublimation:
- not determined
- Transformation products:
- not specified
Identity of transformation products
Reference
- Reference substance name:
- Unnamed
For study on stability to sunlight
- Test substance stable to sunlight:
- not determined
For study on stability to metals
- Test substance stable to metals / metal ions:
- not determined
Any other information on results incl. tables
Nearly anhydrous B2O3, having 20 ppm water, has a softening point of 300 - 325 ºC. Boric oxide can be heated to temperatures > 1000 ºC without forming breakdown products.
Applicant's summary and conclusion
- Conclusions:
- Nearly anhydrous B2O3, having 20 ppm water, has a softening point of 300 - 325 ºC. Boric oxide can be heated to temperatures > 1000 ºC without forming breakdown products.
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