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EC number: 221-490-4 | CAS number: 3118-97-6
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:
- 18-08-2017 – 18-08-2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
- Justification for type of information:
- Experimental test result performed using standard test guidelines
- Qualifier:
- according to guideline
- Guideline:
- other: as mentioned below
- Principles of method if other than guideline:
- The particle size distribution of 1-[(2, 4-dimethylphenyl) diazenyl]-2-naphthol was determined by granulometric analysis with rotap sieve shaker.
- GLP compliance:
- not specified
- Type of method:
- sieving
- Type of particle tested:
- primary particle
- Type of distribution:
- counted distribution
- Specific details on test material used for the study:
- - Name of test material : 1-[(2, 4-dimethylphenyl) diazenyl]-2-naphthol
- Molecular formula : C18H16N2O
- Molecular weight : 276.337 g/mol
- Smiles notation : Cc1ccc(N=Nc2c(O)ccc3ccccc23)c(C)c1
- InChl : JBTHDAVBDKKSRW-FMQUCBEESA-N
- Substance type: Organic
- Physical state: Solid - Key result
- Percentile:
- D50
- Remarks on result:
- other: mass median diameter
- No.:
- #1
- Size:
- 150 µm
- Distribution:
- 44.148 %
- Remarks on result:
- other: no other details mentioned
- No.:
- #2
- Size:
- 106 µm
- Distribution:
- 28.466 %
- Remarks on result:
- other: no other details mentioned
- No.:
- #3
- Size:
- 75 µm
- Distribution:
- 14.243 %
- Remarks on result:
- other: no other details mentioned
- No.:
- #4
- Size:
- 53 µm
- Distribution:
- 7.892 %
- Remarks on result:
- other: no other details mentioned
- No.:
- #5
- Size:
- 25 µm
- Distribution:
- 5.251 %
- Conclusions:
- The particle size distribution of test item 1-(2,4-dimethylphenylazo)-2-naphthol (CAS No. 3118-97-6 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 25 micron.
- Executive summary:
The particle size distribution of test item 1-(2,4-dimethylphenylazo)-2-naphthol (CAS No. 3118-97-6 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 25 micron.
Reference
OBSERVATION TABLE Amount of test item weighed (g)=10.010 g Method run time(minute)=10 min |
|||
Sieve sizes(in microns) |
Weight of petridishes + test item(g) |
Test item quantity retained after sieving (g) |
Percentage(%)of test item* |
150 microns |
48.774 |
4.296 |
44.1475 |
106 microns |
50.306 |
2.77 |
28.4657 |
75 microns |
45.988 |
1.386 |
14.2431 |
53 microns |
42.372 |
0.768 |
7.8923 |
25 microns |
54.430 |
0.511 |
5.2512 |
10 microns |
- |
0 |
0.0000 |
Bottom Pan |
- |
0 |
0.0000 |
*Percentage of test item=test item retained after sievingX 100
total test item retained after sieving
Sieve sizes(in microns) |
Percentage(%)of test item* |
150 microns |
44.1475 |
106 microns |
28.4657 |
75 microns |
14.2431 |
53 microns |
7.8923 |
25 microns |
5.2512 |
10 microns |
0.0000 |
Bottom Pan |
0.0000 |
Description of key information
The particle size distribution of test item 1-(2,4-dimethylphenylazo)-2-naphthol (CAS No. 3118-97-6 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 25 micron.
Additional information
The particle size distribution of test item 1-(2,4-dimethylphenylazo)-2-naphthol (CAS No. 3118-97-6 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 25 micron.
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