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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

pH

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Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2014-11-10
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study generated according to generally accepted testing guideline.
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: CIPAC MT 75.3
Deviations:
no
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Barium sulphide
EC Number:
244-214-4
EC Name:
Barium sulphide
Cas Number:
21109-95-5
Molecular formula:
BaS
IUPAC Name:
barium(2+) sulfanediide
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
- Name of test material (as cited in study report): barium sulfide
- Physical state: solid, dark grey-powder, smells like sulphur
- Storage condition of test material: ambient temperature, dry, in original container
No further information on test material was stated

Results and discussion

pH value
pH value:
13
Temp.:
20 °C
Concentration:
10 g/L
Remarks on result:
other: test temperature: room temperature (approx. 22°C)

Applicant's summary and conclusion

Conclusions:
The pH value of a 1% solution of barium sulfide at 22°C is 13.0.