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EC number: 205-182-7 | CAS number: 135-19-3
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
- Study period:
- 24.04.2018 - 24.04.2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 59 Sieve Analysis
- Version / remarks:
- 2009
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- sieving
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
- Key result
- Percentile:
- D10
- Mean:
- 1 540 µm
- Remarks on result:
- other: median
- Key result
- Percentile:
- D50
- Mean:
- 3 011 µm
- Remarks on result:
- other: median
- Key result
- Percentile:
- D90
- Mean:
- 4 919 µm
- Remarks on result:
- other: median
- Conclusions:
- 2-Naphthol has a median particle size of D50 = 3011 µm.
- Executive summary:
The test item 2 -Naphthol has a median particle size D50 = 3011 µm, which was determined by sieving analysis according to CIPAC MT 59 (2009).
Reference
Particle Size Distribution: Sieving Analysis
The results of the sieving analysis are summarized in Table 1 shows the course of the fraction distribution (left y-axis) as well as the cumulative distribution on the (right y-axis).
Table1: Results of the sieving analysis
Sieve size in µm |
Weight in g |
Mass % |
Total % |
> 11200 |
0.00 ± 0.01 |
0.00 |
100.00 |
< 11200 |
0.85 ± 0.01 |
0.14 |
100.00 |
< 8000 |
6.00 ± 0.01 |
1.02 |
99.86 |
< 5600 |
122.14 ± 0.01 |
20.76 |
98.84 |
< 4000 |
200.41 ± 0.01 |
34.06 |
78.08 |
< 2800 |
163.01 ± 0.01 |
27.70 |
44.02 |
< 2000 |
80.66 ± 0.01 |
13.71 |
16.31 |
< 1000 |
15.31 ± 0.01 |
2.60 |
2.60 |
Sieving Analysis:
D10: 1540 µm
D50: 3011 µm (Median diameter)
D90: 4919 µm
Description of key information
A study was undertaken to determine the particle size distribution of the test substance 2-Naphthol. The study was performed using a sieving analysis according to CIPAC MT 59 (2009). It concluded that 2-naphthol has a median particle size D50 = 3011 um.
Additional information
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