Registration Dossier
Registration Dossier
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EC number: 232-088-3 | CAS number: 7785-84-4
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
- 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:
- test procedure in accordance with national standard methods
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- The determination of particle size was made by a screening process with a specific mesh size in an air jet made by subpressure.
- GLP compliance:
- no
- Type of method:
- sieving
- Type of distribution:
- volumetric distribution
- Percentile:
- D50
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
- No.:
- #1
- Size:
- < 100 µm
- Distribution:
- > 90 %
- Conclusions:
- Particle size distribution indicates substance is an inhalation risk (a significant proportion of the particles are present at < 100 µm). This study is considered to be scientifically justified for use as a key study in accordance with Regulation (EC) No. 1907/2006 (REACH). No further testing is required.
Reference
Description of key information
One key study exists. This study is considered to be scientifically justified for use as a key study.
Additional information
Particle size distribution indicates the substance is an inhalation risk (>90% of the particles are present at < 100 µm).
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