Registration Dossier
Registration Dossier
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EC number: 201-762-9 | CAS number: 87-66-1
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 17.01.2018 - 06.02.2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
- Report date:
- 2018
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: DM 13.9.1999 G.U.n°248 del 21/10/1999
- Deviations:
- no
- GLP compliance:
- not specified
- Other quality assurance:
- other: UNI EN ISO 9001:2015
- Remarks:
- Chemical, technological, sanitary and eco-toxicological analyses. Technical and scientific services, consulting and design of materials for biomedical and technological manufacturing fields (IAF 34)
- Type of method:
- cascade impaction
- Type of particle tested:
- aggregate
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- Pyrogallol
- EC Number:
- 201-762-9
- EC Name:
- Pyrogallol
- Cas Number:
- 87-66-1
- Molecular formula:
- C6H6O3
- IUPAC Name:
- benzene-1,2,3-triol
- Reference substance name:
- unknown impurities
- IUPAC Name:
- unknown impurities
- Test material form:
- not specified
- Details on test material:
- not specified
Constituent 1
impurity 1
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: 20170710
- Expiration date of the lot/batch: not specified
- Purity test date: not specified
RADIOLABELLING INFORMATION (if applicable)
not applicable
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: 4°C
- Stability under test conditions: not specified
- Solubility and stability of the test substance in the solvent/vehicle: not specified
TREATMENT OF TEST MATERIAL PRIOR TO TESTING
- Treatment of test material prior to testing: not specified
- Preliminary purification step (if any): not relevant
- Final dilution of a dissolved solid, stock liquid or gel: not relevant
- Final preparation of a solid: not relevant
FORM AS APPLIED IN THE TEST: solid (powder).
TYPE OF BIOCIDE/PESTICIDE FORMULATION (if applicable)
not applicable
OTHER SPECIFICS: not specified
Results and discussion
- Geometric standard deviation:
- >= 76 - <= 92
Particle size distribution at different passagesopen allclose all
- No.:
- #1
- Size:
- < 1 mm
- Distribution:
- 21.38 %
- No.:
- #2
- Size:
- > 250 - < 500 µm
- Distribution:
- 58.93 %
- No.:
- #3
- Size:
- > 105 - < 249 µm
- Distribution:
- 15.77 %
- No.:
- #4
- Size:
- > 50 - < 100 µm
- Distribution:
- 25.23 %
Any other information on results incl. tables
The particle size of the substance was confirmed by electronic microscope scanningApplicant's summary and conclusion
- Conclusions:
- The particle size distribution of the substance was:
21,38% m/m (<1mm)
58,93% m/m (500-250μm)
15,77% m/m (249-105μm)
25,23% m/m (100-50μm)
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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