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EC number: 249-694-9 | CAS number: 29556-33-0
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 26/5/2016-27/6/2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study
- Justification for type of information:
- Experimental test result performed using standard OECD test guidelines.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 016
- Report date:
- 2016
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: refer below principle
- Principles of method if other than guideline:
- The particle size distribution of test item 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl)-1,3-dimethyl-1H-benzimidazolium chlorine (CAS No. 29556-33-0) was determined by granulometric analysis with rotap sieve shaker.
- GLP compliance:
- no
- Type of method:
- sieving
- Type of particle tested:
- primary particle
- Type of distribution:
- counted distribution
Test material
- Reference substance name:
- 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-1,3-dimethyl-1H-benzimidazolium chloride
- EC Number:
- 249-694-9
- EC Name:
- 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-1,3-dimethyl-1H-benzimidazolium chloride
- Cas Number:
- 29556-33-0
- Molecular formula:
- C22H24N3O2.Cl
- IUPAC Name:
- 2-[7-(diethylamino)-2-oxo-2H-chromen-3-yl]-1,3-dimethyl-2,3-dihydro-1H-3,1-benzimidazol-1-ium chloride
- Test material form:
- solid: particulate/powder
- Details on test material:
- - Name of test material (as cited in study report): 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-1,3-dimethyl-1H-benzimidazolium chloride
- Molecular formula: C22H24N3O2.Cl
- Molecular weight: 397.904 g/mol
- Smiles notation: c1([n+](c2c(n1C)cccc2)C)c1c(oc2c(c1)ccc(c2)N(CC)CC)=O.[ClH-]
- InChl: 1S/C22H24N3O2.ClH/c1-5-25(6-2)16-12-11-15-13-17(22(26)27-20(15)14-16)21-23(3)18-9-7-8-10-19(18)24(21)4;/h7-14H,5-6H2,1-4H3;1H/q+1;/p-1
- Substance type: Organic
- Physical state: Solid
Constituent 1
- Specific details on test material used for the study:
- - Name of test material (as cited in study report): 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-1,3-dimethyl-1H-benzimidazolium chloride
- Molecular formula (if other than submission substance): C22H24N3O2.Cl
- Molecular weight (if other than submission substance): 347.4159
- Smiles notation (if other than submission substance): c1(c2c(oc3c(c2)ccc(N(CC)CC)c3)=O)nc2ccccc2n1C
- InChl (if other than submission substance): 1S/C21H21N3O2/c1-4-24(5-2)15-11-10-14-12-16(21(25)26-19(14)13-15)20-22-17-8-6-7-9-18(17)23(20)3/h6-13H,4-5H2,1-3H3
- Substance type: Organic
- Physical state: Solid
Results and discussion
Particle size
- Key result
- Percentile:
- D50
- Remarks on result:
- other: 'Mass median diameter'
Particle size distribution at different passagesopen allclose all
- No.:
- #1
- Size:
- 150 µm
- Distribution:
- 30 %
- No.:
- #2
- Size:
- 106 µm
- Distribution:
- 19.84 %
- No.:
- #3
- Size:
- 75 µm
- Distribution:
- 10.02 %
- No.:
- #4
- Size:
- 53 µm
- Distribution:
- 19.18 %
- No.:
- #5
- Size:
- 25 µm
- Distribution:
- 12.01 %
- No.:
- #6
- Size:
- 10 µm
- Distribution:
- 6.81 %
Any other information on results incl. tables
OBSERVATION TABLE:
Amount of test item weighed (g) = 10 g
Method run time (min) = 10min
Sieve sizes(in microns) |
Weight of petridishes (g) |
Weight of petridishes + test item (g) |
Test item quantity retained after sieving (g) |
Percentage (%) of test item* |
150 microns |
37.115 |
40.192 |
3.000 |
30.00% |
106 microns |
40.121 |
42.105 |
1.984 |
19.84% |
75 microns |
38.900 |
39.902 |
1.002 |
10.02% |
53 microns |
36.582 |
38.500 |
1.918 |
19.18% |
25 microns |
37.892 |
39.093 |
1.201 |
12.01% |
10 microns |
41.201 |
41.882 |
0.681 |
6.81% |
*Percentage of test item= test item retained after sievingX 100
Original test itemtaken
Applicant's summary and conclusion
- Conclusions:
- The particle size distribution of test item 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl)-1,3-dimethyl-1H-benzimidazolium chlorine (CAS No. 29556-33-0) 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 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl)-1,3-dimethyl-1H-benzimidazolium chlorine (CAS No. 29556-33-0) 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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