Registration Dossier

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 test result performed using standard OECD test guidelines

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): 1,3-isobenzofurandione, reaction products with methylquinoline and quinolone
- Substance type: Organic
- Physical state: Solid
- Purity: 96.33% (dye content by GC)

Results and discussion

pH value
pH value:
5.3
Temp.:
30.5 °C
Concentration:
1 vol%

Applicant's summary and conclusion

Conclusions:
pH of 1% w/v aqueous solution of the test item1,3-isobenzofurandione, reaction products with methylquinoline and quinoline (CAS No. 8003-22-3) is 5.3 at 30.5°C
Executive summary:

The pH determination of test item1,3-isobenzofurandione, reaction products with methylquinoline and quinoline.. (CAS No. 8003-22-3) was done as per the test guideline OECD 122. The pH of the test solution was determined with the help of pH meter. The pH was found to be 5.3 at 30.5°C. Thus, 1% solution can be considered to be acidic in nature.