Registration Dossier
Registration Dossier
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EC number: 900-021-3 | CAS number: -
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 019
- Report date:
- 2019
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Deviations:
- no
- GLP compliance:
- yes
- Other quality assurance:
- ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
Test material
- Reference substance name:
- 1,7-bis(4-hydroxy-3-methoxyphenyl)heptane-3,5-dione
- EC Number:
- 900-021-3
- Molecular formula:
- 3,5-Heptanedione-1-(4-hydroxy-3-methoxyphenyl)-7-(4-hydroxyphenyl) :C20 H22O5, 3,5-Heptanedione-1,7 -bis(4-hydroxyphenyl) : C19H20O4, 3,5-Heptanedione-1,7-bis(4-hydroxy-3-methoxyphenyl) : C21H24O6
- IUPAC Name:
- 1,7-bis(4-hydroxy-3-methoxyphenyl)heptane-3,5-dione
- Test material form:
- solid: crystalline
Constituent 1
Results and discussion
Particle size
- Key result
- Percentile:
- D50
- Mean:
- >= 33.39 - <= 38.54 µm
- Remarks on result:
- other: Performed by Laser Diffraction Method
Applicant's summary and conclusion
- Conclusions:
- Particle size is 33.39 to 38.54µm and done as per Laser diffraction method (Microtrac S3500-Turbotrac)
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