Registration Dossier

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:
1992
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

Constituent 1
Chemical structure
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

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.