Registration Dossier

Diss Factsheets

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

Constituent 1
Chemical structure
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-anthraquinone
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.