1,8-bis[(4-methylphenyl)amino]anthraquinone

pH

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:

2016

Report date:

2016

Materials and methods

Test guideline

Qualifier:

according to guideline

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:

not specified

Test material

Test material information

Constituent 1

Reference substance name:

1,8-bis[(4-methylphenyl)amino]anthraquinone

EC Number:

201-398-0

EC Name:

1,8-bis[(4-methylphenyl)amino]anthraquinone

Cas Number:

82-16-6

Molecular formula:

C28H22N2O2

IUPAC Name:

1,8-bis[(4-methylphenyl)amino]-9,10-dihydroanthracene-9,10-dione

Test material form:

solid: particulate/powder

Remarks:

migrated information: powder

Details on test material:

- Name of test material (as cited in study report): 1,8-bis[(4-methylphenyl)amino]anthraquinone
- Substance type: Organic
- Physical state: Solid

Results and discussion

pH value

pH value:

6.25

Temp.:

34 °C

Concentration:

1 other: % w/v

Any other information on results incl. tables

Guideline	OECD 122
Method	Digital pH meter
Principle of method	The pH of an aqueous solution or dispersion in water is determined with a pH measurement interface equipped with an appropriate electrode system.
Temperature of 1% w/v test solution	-	34°C
pH (RESULT)	-	6.25
Inference	1.   Acidic 2.   Basic 3.   Neutral	Acidic

Applicant's summary and conclusion

Conclusions:

The pH determination of test item1,8-bis[(4-methylphenyl)amino ]anthraquinone (CAS No. 82-16-6) was done following OECD guideline 122. pH of 1% w/v dispersion was measured with the help of pH meter and it was observed to be 6.25 at 34 °C.

Executive summary:

The pH determination of test item1,8-bis[(4-methylphenyl)amino ]anthraquinone(CAS No. 82-16-6) was done as per the test guideline OECD 122. The pH of the test solution was determined with the help ofdigitalpH meter.The pH was found to be 6.25 at 34 °C.