Registration Dossier

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
13/6/2016-13/6/2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Experimental Result

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2016
Report Date:
2016

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: OECD 122
Principles of method if other than guideline:
The pH of an aqueous solution or dispersion in water is determined with a pH measurement interface equipped with an appropriate electrode system.
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
CAS No: 2519-30-4Name of the chemical: Tetrasodium 1-acetamido-2-hydroxy-3-(4-((4-sulphonatophenylazo)-7-sulphonato-1-naphthylazo))naphthalene-4,6-disulphonateNature of chemical: Organic

Results and discussion

pH value
pH value:
8.06
Temp.:
36 °C
Concentration:
1 vol%
Remarks on result:
other: basic

Any other information on results incl. tables

The pH of 1% w/vsolutionof the test item Tetrasodium 1-acetamido-2-hydroxy-3-(4-((4-sulphonatophenylazo)-7-sulphonato-1-naphthylazo))naphthalene-4,6-disulphonate (CAS No.2519-30-4) was 8.06 at  36 °C.

Applicant's summary and conclusion

Conclusions:
The pH determination of test item Diphenyl sulphide (CAS No. 139-66-2) was done following OECD guideline 122. pH of 1% w/v aqueous solution was measured with the help of pH meter and it was observed to be 8.27 at 32°C.
Executive summary:

The pH determination of test item Diphenyl sulphide (CAS No. 139-66-2) was done following OECD guideline 122. pH of 1% w/v aqueous solution was measured with the help of pH meter and it was observed to be 8.27 at 32°C.