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EC number: 680-378-7 | CAS number: 138624-11-0
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2017-05-09 to 2017-06-15
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- (4-amino-1-hydroxy-1-phosphonobutyl)phosphonic acid hydrate
- EC Number:
- 680-378-7
- Cas Number:
- 138624-11-0
- Molecular formula:
- C4H15NO8P2
- IUPAC Name:
- (4-amino-1-hydroxy-1-phosphonobutyl)phosphonic acid hydrate
- Test material form:
- solid: particulate/powder
Constituent 1
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: Sponsor and 610-GTH
- Expiration date of the lot/batch: 31 March 2019
- Purity test date: 2016-04-16
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: At room temperature protected from light
Results and discussion
- Mass median aerodynamic diameter:
- ca. 523.649 µm
- Geometric standard deviation:
- ca. 6.97
Particle sizeopen allclose all
- Key result
- Percentile:
- D10
- Mean:
- ca. 209.301 µm
- St. dev.:
- 3.992
- Key result
- Percentile:
- D50
- Mean:
- ca. 396.977 µm
- St. dev.:
- 5.284
- Key result
- Percentile:
- D90
- Mean:
- ca. 672.746 µm
- St. dev.:
- 6.692
Applicant's summary and conclusion
- Conclusions:
- This study validly assesed the particle size distribution of the test substance.
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