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Physical & Chemical properties

Particle size distribution (Granulometry)

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Reference
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
04-09-2017 – 04-09-2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental test result performed using standard test guidelines
Qualifier:
according to guideline
Guideline:
other: As mention below
Principles of method if other than guideline:
The particle size distribution of test item 9-[2-(ethoxycarbonyl)phenyl]-3,6-bis(ethylamino)-2,7- dimethylxanthylium, salt with 4,5-dihydro-5-oxo-1- (4-sulphophenyl)-4-[(4-sulphophenyl)azo]-1H-pyrazole-3- carboxylic acid (3:1)(CAS No. 65138-66-1) 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
Specific details on test material used for the study:
- Name of test material (IUPAC name): 9-[2-(ethoxycarbonyl)phenyl]-3,6-bis(ethylamino)-2,7-dimethylxanthylium ; 9-[2-(ethoxycarbonyl)phenyl]-3,6-bis(ethylamino)-2,7-dimethylxanthylium, salt with 4,5-dihydro-5-oxo-1-(4-sulphophenyl)-4-[(4-sulphophenyl)azo]-1H-pyrazole-3-carboxylic acid (3:1)
- Molecular formula: C28H31N2O3.1/3C16H9N4O9S2
- Molecular weight: 1796.09 g/mol
- Smiles notation: c1(C)c(cc2[o+]c3c(c(c4c(cccc4)C(OCC)=O)c2c1)cc(C)c(NCC)c3)NCC.C1([C@@H](\N=N/c2ccc(cc2)S([O-])(=O)=O)C(=NN1c1ccc(S([O-])(=O)=O)cc1)C([O-])=O)=O.c1(cc2c([o+]c3c(c2c2ccccc2C(OCC)=O)cc(c(NCC)c3)C)cc1NCC)C.c1(cc2c([o+]c3c(c2c2ccccc2C(OCC)=O)cc(c(NCC)c3)C)cc1NCC)C
- InChl: 1S/3C28H31N2O3.C16H12N4O9S2/c3*1-6-29-23-15-25-21(13-17(23)4)27(19-11-9-10-12-20(19)28(31)32-8-3)22-14-18(5)24(30-7-2)16-26(22)33-25;21-15-13(18-17-9-1-5-11(6-2-9)30(24,25)26)14(16(22)23)19-20(15)10-3-7-12(8-4-10)31(27,28)29/h3*9-16,29-30H,6-8H2,1-5H3;1-8,13H,(H,22,23)(H,24,25,26)(H,27,28,29)/q3*+1;/p-3/b;;;18-17-
- Substance type: Organic
- Physical state: Solid
Key result
Percentile:
D50
Remarks on result:
other: Mass median diameter
No.:
#1
Size:
150 µm
Distribution:
2.364 %
Remarks on result:
other: No other detail available
No.:
#2
Size:
106 µm
Distribution:
5.548 %
Remarks on result:
other: No other detail available
No.:
#3
Size:
75 µm
Distribution:
20.315 %
Remarks on result:
other: No other detail available
No.:
#4
Size:
53 µm
Distribution:
57.75 %
Remarks on result:
other: No other detail available
No.:
#5
Size:
25 µm
Distribution:
14.022 %
Remarks on result:
other: No other detail available

OBSERVATION TABLE :

Amount of test item weighed (g)=10.007

Method run time(minute)=10

Sieve sizes(in

microns)

Weight of petridishes + test

item(g)

 

Test item quantity

retained after sieving (g)

 

Percentage(%)of

test item*
 150 microns  44.600  0.219  2.3639
 106 microns  45.012  0.514  5.5483
 75 microns  46.484  1.882  20.3151
 53 microns  59.312  5.35  57.7504
 25 microns  52.203  1.299  14.0220
Conclusions:
The particle size distribution of test item 9 -[2 -(ethoxycarbonyl)phenyl]-3,6 -bis(ethylamino)-2,7 - dimethylxanthylium, salt with 4,5 -dihydro-5 -oxo-1 -(4 -sulphophenyl)-4 -[(4 -sulphophenyl)azo]-1H-pyrazole-3 - carboxylic acid (3:1) (CAS No. 65138 -66 -1 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to bein the range of 150 micron to 25 micron.
Executive summary:

The particle size distribution of test item 9 -[2 -(ethoxycarbonyl)phenyl]-3,6 -bis(ethylamino)-2,7 - dimethylxanthylium, salt with 4,5 -dihydro-5 -oxo-1 -(4 -sulphophenyl)-4 -[(4 -sulphophenyl)azo]-1H-pyrazole-3 - carboxylic acid (3:1) (CAS No. 65138 -66 -1 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to bein the range of 150 micron to 25 micron.

Description of key information

The particle size distribution of test item 9 -[2 -(ethoxycarbonyl)phenyl]-3,6 -bis(ethylamino)-2,7 - dimethylxanthylium, salt with 4,5 -dihydro-5 -oxo-1 -(4 -sulphophenyl)-4 -[(4 -sulphophenyl)azo]-1H-pyrazole-3 - carboxylic acid (3:1) (CAS No. 65138 -66 -1 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to bein the range of 150 micron to 25 micron.

Additional information

The particle size distribution of test item 9 -[2 -(ethoxycarbonyl)phenyl]-3,6 -bis(ethylamino)-2,7 - dimethylxanthylium, salt with 4,5 -dihydro-5 -oxo-1 -(4 -sulphophenyl)-4 -[(4 -sulphophenyl)azo]-1H-pyrazole-3 - carboxylic acid (3:1) (CAS No. 65138 -66 -1 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to bein the range of 150 micron to 25 micron.