Registration Dossier
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EC number: 269-503-2 | CAS number: 68259-00-7
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Reported 03May2019
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 019
- Report date:
- 2019
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- GLP compliance:
- no
- Other quality assurance:
- other: ISO9001
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- Methyl 1-methyl-4-[(methylphenylhydrazono)methyl]pyridinium sulphate
- EC Number:
- 269-503-2
- EC Name:
- Methyl 1-methyl-4-[(methylphenylhydrazono)methyl]pyridinium sulphate
- Cas Number:
- 68259-00-7
- Molecular formula:
- C14H16N3.CH3O4S
- IUPAC Name:
- methyl 1-methyl-4-[(methylphenylhydrazono)methyl]pyridinium sulphate
- Test material form:
- solid: particulate/powder
- Details on test material:
- See study reports for batch and purity information
Constituent 1
- Specific details on test material used for the study:
- Basic Yellow 87
CI306087 1080982
Results and discussion
Particle sizeopen allclose all
- Key result
- Percentile:
- D10
- Mean:
- ca. 31.9 µm
- St. dev.:
- 0
- Remarks on result:
- other: St.Dev not reported
- Key result
- Percentile:
- D50
- Mean:
- ca. 111 µm
- St. dev.:
- 0
- Remarks on result:
- other: St.Dev not reported
- Key result
- Percentile:
- D90
- Mean:
- ca. 364 µm
- St. dev.:
- 0
- Remarks on result:
- other: St.Dev not reported
Applicant's summary and conclusion
- Conclusions:
- Particle size measurement was carried out on a Mastersizer 3000.
Specific Surface Area 41.36m2/kg
Particle Size
DV10 = 31.9 μm
DV50 = 111 μm
DV90 = 364 μm
According to measurement results obtained by the method and the definition, the reference mentioned is not considered above as a nanomaterial. - Executive summary:
Particle size measurement was carried out on a Mastersizer 3000.
The measured Specific Surface Area was 41.36m2/kg.
Particle Size distribution by volume was also measure with the results presented below.
DV10 = 31.9 μm
DV50 = 111 μm
DV90 = 364 μm
According to measurement results obtained by the method and the definition, the reference mentioned is not considered above as a nanomaterial.
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