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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
supporting study
Study period:
October 2009
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Test guideline
Qualifier:
no guideline required
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
barium hydroxide monohydrate
Cas Number:
22326-55-2
Molecular formula:
Ba(OH)2.H2O
IUPAC Name:
barium hydroxide monohydrate
Details on test material:
EC number: 241-234-5
no further details

Results and discussion

pH valueopen allclose all
pH value:
13
Concentration:
9.469 g/L
Remarks on result:
other: assumed: room temperature
pH value:
11.9
Concentration:
0.947 g/L
Remarks on result:
other: assumed: room temperature
pH value:
9.9
Concentration:
9.469 mg/L
Remarks on result:
other: assumed: room temperature
pH value:
9
Concentration:
0.947 mg/L
Remarks on result:
other: assumed: room temperature
pH value:
7.5
Concentration:
0.095 mg/L
Remarks on result:
other: assumed: room temperature

Applicant's summary and conclusion

Conclusions:
The pH value of a 10% test item solution is determined at pH 13.0