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Diss Factsheets

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The reliability is rated 2 because the study is well documented and meets generally accepted scientific principles. The results were reviewed for reliability and assessed as valid. Assay not conducted under GLP conditions.

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2011
Report date:
2011

Materials and methods

Test guideline
Guideline:
other: internal
Principles of method if other than guideline:
A 10% w/w solution is prepared with water and the test item. Solution is filtrated and pH is measured thanks to a pH meter.
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
Mono and bis and tris{tris[4-(mono and dimethylamino)phenyl]methylium} [12,21,30,32-tetrahydro-29H,31Hphthalocyanine- mono, bis and trisulfonato-k4N29,N30,N31,N32]cuprate.
IUPAC Name:
Mono and bis and tris{tris[4-(mono and dimethylamino)phenyl]methylium} [12,21,30,32-tetrahydro-29H,31Hphthalocyanine- mono, bis and trisulfonato-k4N29,N30,N31,N32]cuprate.
Details on test material:
- Name of test material (as cited in study report): Sepisol Fast VIOLET 2B
- Substance type: organocopper
- Physical state: Solid
- Lot/batch No.: 011848

Results and discussion

pH value
pH value:
5.9
Temp.:
20 °C
Concentration:
10 g/L

Any other information on results incl. tables

Aspect of the filtrate: strong coloration

Applicant's summary and conclusion

Conclusions:
A 10% w/w solution was prepared with water and the test item: Sepisol fast VIOLET 2B. The pH of such a solution was measured to be at 5.9.