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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
supporting study
Study period:
2010-02-04 to 2010-02-11
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

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

Materials and methods

Test guideline
Qualifier:
no guideline followed
GLP compliance:
yes (incl. QA statement)
Remarks:
signed 2007-01-12

Test material

Constituent 1
Chemical structure
Reference substance name:
Zinc selenite
EC Number:
237-048-9
EC Name:
Zinc selenite
Cas Number:
13597-46-1
Molecular formula:
H2O3Se.Zn
IUPAC Name:
zinc(2+) selenite
Details on test material:
- Name of test material (as cited in study report): Zinc selenite
- Substance type: technical product
- Physical state: solid
- Storage condition of test material: room temperature, ambient conditions, closed vessel
- Other: No further details stated

Results and discussion

pH valueopen allclose all
pH value:
6
Temp.:
19.5 °C
Concentration:
17.33 mg/L
Remarks on result:
other: day 1
pH value:
6
Temp.:
20.5 °C
Concentration:
17.16 mg/L
Remarks on result:
other: day 2
pH value:
6
Temp.:
20.1 °C
Concentration:
17.05 mg/L
Remarks on result:
other: day 3

Applicant's summary and conclusion

Conclusions:
The pH value of a ca. 17 mg/L solution of the test substance (zinc selenite)in water at room temperature is 6.