Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
2014
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: well performed study according to company guideline

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2014
Report date:
2014

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: company SOP
Principles of method if other than guideline:
determination of the pH with a calibrated pH-electrode
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
9-[bis(2-Hydroxyethyl)amino]-5-[(3-methylphenyl)amino]-7-phenyl-benzo[a]phenazinium chloride
EC Number:
941-946-2
Molecular formula:
C33H31ClN4O2
IUPAC Name:
9-[bis(2-Hydroxyethyl)amino]-5-[(3-methylphenyl)amino]-7-phenyl-benzo[a]phenazinium chloride

Results and discussion

pH valueopen allclose all
pH value:
1.6
Temp.:
20 °C
Concentration:
10 other: % (w/w)
Remarks on result:
other: Suspension
pH value:
1.1
Temp.:
40 °C
Concentration:
10 other: % (w/w)
Remarks on result:
other: Suspension

Applicant's summary and conclusion

Conclusions:
The pH of a 10% suspension in water is 1.6 (20°C) rsp. 1.1 (40°C)
Executive summary:

The pH of the substance was measured in a 10% suspension in water with a calibrated pH electrode and was found to be

1.6 (20°C) rsp. 1.1 (40°C)