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)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report Date:
2015

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: OECD 122
Principles of method if other than guideline:
A pH meter is essentially a voltmeter with high input impedance which measures the voltage of an electrode sensitive to the hydrogen ion concentration, relative to another electrode which exhibits a constant voltage
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
- Name of test material (as cited in study report): Solvent Blue 4 with < 0.1% Michler's Ketone
- Substance type: Organic
- Physical state: solid

Results and discussion

pH value
pH value:
7.5
Temp.:
25 °C
Concentration:
1 vol%
Remarks on result:
other: Slightly basic

Any other information on results incl. tables

pH of 1% w/v aqueous solution of the test substance Solvent Blue 4 (CAS No. 6786 -83 -0) is 7.5 at 25°C indicating that 1% volume solution is slightly basic

Applicant's summary and conclusion

Conclusions:
pH of 1% w/v aqueous solution of the test substance Solvent Blue 4 (CAS No. 6786 -83 -0) is 7.5 at 25°C indicating that 1% volume solution is slightly basic
Executive summary:

pH of 1% w/v aqueous solution of the test substance Solvent Blue 4(CAS No. 6786 -83 -0) is 7.5 at 25°C indicating that 1% volume solution is slightly basic