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EC number: 281-506-0 | CAS number: 83968-28-9
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:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: data from experimental study reports
- Qualifier:
- according to guideline
- Guideline:
- other:
- Principles of method if other than guideline:
- The particle size distribution of test item Formaldehyde, reaction products with N,N-dimethylbenzenamine and N-methylbenzenamine, oxidized, hydrochlorides (CAS No. 83968-28-9) was determined by granulometric analysis with rotap sieve shaker.
- GLP compliance:
- no
- Type of method:
- sieving
- Type of distribution:
- counted 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:
- 150 µm
- Distribution:
- 34.31 %
- No.:
- #2
- Size:
- 106 µm
- Distribution:
- 13.57 %
- No.:
- #3
- Size:
- 75 µm
- Distribution:
- 24.2 %
- No.:
- #4
- Size:
- 53 µm
- Distribution:
- 23.19 %
- No.:
- #5
- Size:
- 25 µm
- Distribution:
- 3.55 %
- No.:
- #6
- Size:
- 10 µm
- Distribution:
- 0.3 %
- Conclusions:
- The particle size distribution of test item Formaldehyde, reaction products with N,N-dimethylbenzenamine and N-methylbenzenamine, oxidized, hydrochlorides (CAS No. 83968-28-9) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 10 micron
- Executive summary:
The particle size distribution of test item Formaldehyde, reaction products with N,N-dimethylbenzenamine and N-methylbenzenamine, oxidized, hydrochlorides (CAS No.83968-28-9) was determined by granulometric analysis with rotap sieve shaker. The cumulative percentages of test item obtained for each sieve are as follows:
Sieve sizes(in microns)
Percentage distribution (%) of test item
150 microns
34.31 %
106 microns
13.57 %
75 microns
24.20 %
53 microns
23.19 %
25 microns
3.55 %
10 microns
0.30 %
Reference
OBSERVATION TABLE:
Amount of test item weighed (g) =10 g
Method run time (minutes) = 10 min
Weight of butter paper (g) = 0.270 g
Sieve sizes(in microns) |
Weight of butter paper + test item (g) |
Test item quantity retained after sieving (g) |
Percentage (%) of test item* |
150 microns |
3.701 g |
3.431 g |
34.31 % |
106 microns |
1.627 g |
1.357 g |
13.57 % |
75 microns |
2.690 g |
2.420g |
24.20 % |
53 microns |
2.589 g |
2.319 g |
23.19 % |
25 microns |
0.625 g |
0.355 g |
3.55 % |
10 microns |
0.300 g |
0.030 g |
0.30 % |
*Percentage of test item= test item retained after sievingX 100
Original test item taken
Description of key information
The particle size distribution of test item Formaldehyde, reaction products with N,N-dimethylbenzenamine and N-methylbenzenamine, oxidized, hydrochlorides (CAS No. 83968-28-9) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 10 microns.
Additional information
The particle size distribution of test item Formaldehyde, reaction products with N,N-dimethylbenzenamine and N-methylbenzenamine, oxidized, hydrochlorides (CAS No. 83968-28-9) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 10 micron.
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