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Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2013-11-05 to 2014-05-08
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: The study was carried out in a laboratory accredited under GLP, however the study itself was not subject to GLP audit. The study OECD TG 122 (2013) without deviations.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2014
Report date:
2014

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD TG 122: “Determination of pH, Acidity and Alkalinity” adopted 26 July 2013.
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
2,4,6-trichloroaniline
EC Number:
211-219-8
EC Name:
2,4,6-trichloroaniline
Cas Number:
634-93-5
Molecular formula:
C6H4Cl3N
IUPAC Name:
2,4,6-trichloroaniline
Test material form:
solid: crystalline
Details on test material:
- Name of test material (as cited in study report): test item
- Storage condition of test material: room temperature, in the dark

Results and discussion

pH valueopen allclose all
pH value:
5.86
Temp.:
25 °C
Concentration:
1 other: % w/v
Remarks on result:
other: addition of a few drops of a concentrated sodium chloride solution in order to stabilize ion concentrations

Any other information on results incl. tables

Table 1: pH value determination

Determination pH Value Overall Mean pH
After 1 Minute After 2 Minutes After 10 Minutes
A 6.21 6.08 5.85 5.86
B 6.15 5.98 5.86

Applicant's summary and conclusion

Conclusions:
In a valid, reliable and conclusive study according to OECD TG 122 (2013) the pH value of the test item was determined to be 5.86 at 25 °C.
Executive summary:

The study was performed to determine the pH value of the test item. The pH value of the test item, as a 1 % w/v aqueous dispersion, has been determined to be 5.86 at 25 ºC.

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