Registration Dossier
Registration Dossier
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EC number: 208-013-5 | CAS number: 505-54-4
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Report date:
- 2018
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- 10% concentrations of hexadecanedioic acid were suspended in water, mixed 20 mins at room temperature. Then, the particle size distribution was detected by METTLER-TOLEDO ParticleTrack G400.
- GLP compliance:
- no
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- Hexadecanedioic acid
- EC Number:
- 208-013-5
- EC Name:
- Hexadecanedioic acid
- Cas Number:
- 505-54-4
- Molecular formula:
- C16H30O4
- IUPAC Name:
- hexadecanedioic acid
Constituent 1
Results and discussion
Particle sizeopen allclose all
- Key result
- Percentile:
- D10
- Mean:
- ca. 153.86 µm
- St. dev.:
- 0.28
- Key result
- Percentile:
- D50
- Mean:
- ca. 272.09 µm
- St. dev.:
- 1.49
- Key result
- Percentile:
- D90
- Mean:
- ca. 457.21 µm
- St. dev.:
- 2.98
Applicant's summary and conclusion
- Conclusions:
- The granulometry of hexadecanedioic acid was measured by laser scattering/diffraction method:
D10 = 153.86 um, D50 = 272.09 um, D90 = 457.21 um
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