Registration Dossier
Registration Dossier
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EC number: 224-427-9 | CAS number: 4355-11-7
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2010
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC Handbook Volume F, MT 59.1
- GLP compliance:
- yes (incl. QA statement)
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- Cyclohexanediacetic acid
- EC Number:
- 224-427-9
- EC Name:
- Cyclohexanediacetic acid
- Cas Number:
- 4355-11-7
- Molecular formula:
- C10H16O4
- IUPAC Name:
- 2-[1-(carboxymethyl)cyclohexyl]acetic acid
- Details on test material:
- Test item: 1,1-Cyclohexane diacetic acid
CAS: 4355-11-7
Appearance: white, crystalline powder
Molecular weight: 200.23g/mol
Storage at test facility: Room temperature, protected from moisture and light.
Constituent 1
Results and discussion
Particle size
- Percentile:
- D50
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Particle size distribution at different passagesopen allclose all
- Size:
- < 32 µm
- Distribution:
- 0.87 %
- Size:
- > 250 µm
- Distribution:
- 1.63 %
Any other information on results incl. tables
The particle size distribution without and with the fine dust particle size fraction is given in the table below.
Particle size fraction [um] |
Mass fraction with fine dust [%] |
Mass fraction without fine dust [%]* |
< 32 |
0.87 |
0.00 |
32 - 45 |
9.17 |
9.25 |
45 - 63 |
22.71 |
22.91 |
63 - 75 |
25.67 |
25.90 |
75 - 90 |
19.53 |
19.70 |
90 - 125 |
8.15 |
8.22 |
125 - 250 |
12.26 |
12.37 |
> 250 |
1.63 |
1.65 |
* = removed in the preliminary test (0.86%)
Applicant's summary and conclusion
- Conclusions:
- The amount of fine dust (particle size fraction < 32um) removed by preliminary sieving with the 32um sieve was determined to be 0.87% of the applied mass.
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