Registration Dossier

Physical & Chemical properties

Particle size distribution (Granulometry)

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
24.02.15 to 27.02.15
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods
Justification for type of information:
Experimental test result performed using standard test guidelines
Qualifier:
according to
Guideline:
other: as mention below
Principles of method if other than guideline:
The particle size distribution of test substance 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: (1,1-Dimethylethyl)-4-methoxyphenol
- Common name: Tert-butyl-4-methoxyphenol
- Molecular formula: C11H16O2
- Molecular weight: 181.2533 g/mol
- Smiles notation: [*]C(C)(C)C.COc1ccc(O)cc1
- InChI: 1S/C11H16O2/c1-11(2,3)9-7-8(13-4)5-6-10(9)12/h5-7,12H,1-4H3
- Substance type: Organic
- Physical state: Solid
- Physical Appearance: White to pale yellow solid with a waxy appearance
Key result
Percentile:
D50
Remarks on result:
other: Mass median diameter
No.:
#1
Size:
150 µm
Distribution:
94.37 %
Remarks on result:
other: No other detail available
No.:
#2
Size:
106 µm
Distribution:
2.27 %
Remarks on result:
other: No other detail available

OBSERVATION TABLE:

Amount of sample weighed (g) =10 g    

Method run time (minutes) = 10 min

Weight of empty container (g)= 0.175 g

Sieve sizes(in microns)

Weight of container + test substance (g)

Sample quantity retained after sieving (g)

Percentage (%) of sample*

150 microns

0.175 g

9.437 g

94.37 %

106 microns

0.175 g

0.227 g

2.27 %

75 microns

-

-

-

53 microns

-

-

-

25 microns

-

-

-

10 microns

-

-

-

*Percentage of sample=      Sample retained after sievingX 100

                                                   Original sample taken

Conclusions:
The particle size distribution of test substance was determined by Granulometric analysis with Rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 106 micron.
Executive summary:

The particle size distribution of test substance was determined by Granulometric analysis with Rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 106 micron.

Description of key information

The particle size distribution of test substance was determined by Granulometric analysis with Rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 106 micron.

Additional information

The particle size distribution of test substance was determined by Granulometric analysis with Rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 106 micron.