Registration Dossier

Physical & Chemical properties

pH

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Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
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:
Principles of method if other than guideline:
The pH determination of test item Disodium 5,5'-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one) disulphonate (CAS No. 860-22-0) was done as per the test guideline OECD 122.
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: 860-22-0Name of the chemical: Disodium 5,5'-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one)disulphonateNature of chemical: Organic

Results and discussion

pH value
pH value:
3.87
Temp.:
30 °C
Concentration:
1 vol%
Remarks on result:
other: Neutral

Any other information on results incl. tables

The pH determination of test itemDisodium 5,5'-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one) disulphonate(CAS No.860-22-0)was done following OECD guideline 122. The mean pH of 1% w/vsolution in waterwas measured with the help of pH meter and it was observed to be3.86at 30 °C.

Applicant's summary and conclusion

Conclusions:
The pH determination of test item Disodium 5,5'-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one) disulphonate (CAS No. 860-22-0) was done following OECD guideline 122. The mean pH of 1% w/v solution in water was measured with the help of pH meter and it was observed to be 3.86 at 30 °C.
Executive summary:

The pH determination of test itemDisodium 5,5'-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one) disulphonate(CAS No.860-22-0)was done following OECD guideline 122. The mean pH of 1% w/vsolution in waterwas measured with the help of pH meter and it was observed to be3.86at 30 °C.