Registration Dossier
Registration Dossier
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EC number: 202-267-0 | CAS number: 93-68-5
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2007-08-31
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: According to SOP Pulverrinne_3bar_vib30_gs; air.
Cross-reference
- Reason / purpose for cross-reference:
- reference to same study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 007
- Report date:
- 2007
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: SOP_Pulverrinne_vib30_3bar_gs; air
- Deviations:
- no
- Principles of method if other than guideline:
- SOP name: Pulverrinne_3bar_vib30_gs
Equipment: Malvern Mastersizer 2000, unit: Scirocco 2000
Dispersing fluid: Air - GLP compliance:
- no
- Remarks:
- According to ECHA Guidance (phys.chem. Studies), GLP compliance is not necessary.
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- 2'-methylacetoacetanilide
- EC Number:
- 202-267-0
- EC Name:
- 2'-methylacetoacetanilide
- Cas Number:
- 93-68-5
- Molecular formula:
- C11H13NO2
- IUPAC Name:
- N-(2-methylphenyl)-3-oxobutanamide
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- Date of expiry: 11.12.2007 (statement of producer)
Storage: RT
Identity: Confirmed by H-NMR, IR-and mass spectrometry (LC/MS)
Appearance: White powder
Odour: Non-specific
Constituent 1
Results and discussion
Particle sizeopen allclose all
- Percentile:
- D50
- Mean:
- 48.2 µm
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
- Percentile:
- D10
- Mean:
- 5.1 µm
- St. dev.:
- 0.2
- Percentile:
- D50
- Mean:
- 48.2 µm
- St. dev.:
- 6.3
- Percentile:
- D90
- Mean:
- 245.1 µm
- St. dev.:
- 57.1
Applicant's summary and conclusion
- Conclusions:
- The median value D50 is = 48.2 µm.
- Executive summary:
The study for particle size distribution was performed according to SOP Pulverrinne_3bar_vib30_gs. Method volumetric distribution.
The median value D50 for the particle size distribution of the test item is 48.2 µm, determined with Malvern Mastersizer 2000; unit Scirocco 2000, distribution in air.
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