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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:
07-10-2017 – 07-10-2017
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 OECD test guidelines
Reference:
Composition 0
Qualifier:
according to
Guideline:
other: as mentioned below
Principles of method if other than guideline:
The particle size distribution of test item Bis(4-hydroxy-N-methylanilinium) sulphate (CAS No. 55-55-0) 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
Test material information:
Composition 1
Specific details on test material used for the study:
- Name of test material: p-Methylaminophenol sulfate
- IUPAC name: Bis(4-hydroxy-N-methylanilinium) sulphate
- Molecular formula: C14H20N2O6S
- Molecular weight: 344.386 g/mole
- Smiles:CNc1ccc(cc1)O.CNc1ccc(cc1)O.OS(=O)(=O)O
- Inchl: 1S/2C7H9NO.H2O4S/c2*1-8-6-2-4-7(9)5-3-6;1-5(2,3)4/h2*2-5,8-9H,1H3;(H2,1,2,3,4)
- Substance type: Organic
- Physical state: Solid crystalline (off white - white)
Key result
Percentile:
D50
Remarks on result:
other: mass median diameter
No.:
#1
Size:
150 µm
Distribution:
29.647 %
Remarks on result:
other: no other details mentioned
No.:
#2
Size:
106 µm
Distribution:
30.496 %
Remarks on result:
other: no other details mentioned
No.:
#3
Size:
75 µm
Distribution:
23.451 %
Remarks on result:
other: no other details mentioned
No.:
#4
Size:
53 µm
Distribution:
14.162 %
Remarks on result:
other: no other details mentioned
No.:
#5
Size:
25 µm
Distribution:
2.244 %
Remarks on result:
other: no other details mentioned

OBSERVATION TABLE

Amount of test item weighed (g)=10.001Method 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

47.458

2.933

29.6472

106 microns

53.830

3.017

30.4963

75 microns

56.356

2.32

23.4509

53 microns

45.726

1.401

14.1615

25 microns

47.829

0.222

2.2440

10 microns

-

0

0.0000

Bottom Pan

-

0

0.0000

*Percentage oftest item=     test item retained after sievingX100

total test item retained after sieving

Conclusions:
The particle size distribution of test item Bis(4-hydroxy-N-methylanilinium) sulphate (CAS No. 55-55-0) was found to be in the range of 150 micron to 25 micron.
Executive summary:

The particle size distribution of test item Bis(4-hydroxy-N-methylanilinium) sulphate (CAS No. 55-55-0) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 25 micron.

Description of key information

The particle size distribution of test item Bis(4-hydroxy-N-methylanilinium) sulphate (CAS No. 55-55-0)  was found to be in the range of 150 micron to 25 micron.

Additional information

The particle size distribution of test item Bis(4-hydroxy-N-methylanilinium) sulphate (CAS No. 55-55-0) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 25 micron.