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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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