Registration Dossier

Physical & Chemical properties

Particle size distribution (Granulometry)

Administrative data

Endpoint:
particle size distribution (granulometry)
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the substance is marketed or used in a non solid or granular form
Justification for type of information:
JUSTIFICATION FOR DATA WAIVING
[Specific explanation in addition to field 'Justification for data waiving']

The substance is isolated by spray drying; the particle size is not a function of the chemical but a function of the spray dryer used; a typical particle size distribution for reactive dyes isolated as low dust granules is as follows:
10 % < 123 µm; 25 % < 159 µm; 50 % < 207 µm; 75 % < 266 µm; 90 < 326 µm

Data source

Materials and methods

Results and discussion

Applicant's summary and conclusion

Executive summary:

The substance is isolated by spray drying; the particle size is not a function of the chemical but a function of the spray dryer used; a typical particle size distribution for reactive dyes isolated as low dust granules is as follows:

10 % < 123 µm; 25 % < 159 µm; 50 % < 207 µm; 75 % < 266 µm; 90 < 326 µm