Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
April 22, 2010
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: CIPAC MT 191
Deviations:
no
Principles of method if other than guideline:
The acidity of the test item was determined by titration with standard alkali using electrometric end point determination. The titration was carried out in water.
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
Boron carbide
EC Number:
235-111-5
EC Name:
Boron carbide
Cas Number:
12069-32-8
Molecular formula:
CB4
IUPAC Name:
2,3,4,5-tetraboratetracyclo[2.1.0.0¹,³.0²,⁵]pentane
Details on test material:
- Name of test material (as cited in study report): Boron carbide (B4C)
- Substance type: Anorganic
- Physical state: Solid
- Analytical purity: See section 1.4 of dossier
- Impurities (identity and concentrations): See section 1.4 of dossier
- Composition of test material, percentage of components: See section 1.4 of dossier

Results and discussion

Any other information on results incl. tables

There was no significant acidity of boron carbide. The mean acidity, calculated as H2SO4, was determined to be 0.01 % (m/m).

Applicant's summary and conclusion

Conclusions:
There was no significant acidity of boron carbide. The mean acidity, calculated as H2SO4, was determined to be 0.01 % (m/m).
Executive summary:

The acidity of boron carbide was determined according to CIPAC MT 191. The acidity of the test item was determined by titration with standard alkali using electrometric end point determination. The titration was carried out in water.There was no significant acidity of boron carbide. The mean acidity, calculated as H2SO4, was determined to be 0.01 % (m/m).