2-nitro-p-phenylenediamine

pH

Administrative data

Endpoint:

pH

Type of information:

experimental study

Adequacy of study:

key study

Study period:

11/7/2016-11/7/2016

Reliability:

1 (reliable without restriction)

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2016

Report date:

2016

Materials and methods

Test guideline

Qualifier:

according to guideline

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

Test material information

Constituent 1

Reference substance name:

2-nitro-p-phenylenediamine

EC Number:

226-164-5

EC Name:

2-nitro-p-phenylenediamine

Cas Number:

5307-14-2

Molecular formula:

C6H7N3O2

IUPAC Name:

2-nitrobenzene-1,4-diamine

Test material form:

solid: particulate/powder

Remarks:

migrated information: powder

Details on test material:

- Name of test material (as cited in study report): 2-nitro-p-phenylenediamine- Substance type: Organic- Physical state: Solid- Purity: 96%

Results and discussion

pH value

pH value:

7.15

Temp.:

27 °C

Concentration:

1 vol%

Applicant's summary and conclusion

Conclusions:

The pH of 1% w/v solution of the test item 2-nitro-p-phenylenediamine (CAS No. 5307-14-2) was 7.15 at 27°C.

Executive summary:

The pH determination of test item2-nitro-p-phenylenediamine(CAS No. 5307-14-2) was done as per the test guideline OECD 122. The pH of the test solution was determined with the help of digitalpH meter.. The mean pH was found to be 7.15 at 27°C. Thus, 1% solution can be considered to be near neutral in pH.