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Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

Administrative data

Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
20 November 2008 to 19 March 2009
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: see 'Remark'
Remarks:
This study was conducted in accordance with the relevant international Guideline (CIPAC MT58.2). The study report provided all relevant information confirming the validity of the test and the description of the methodology was sufficient for the test to be wholly reproduceable.
Cross-referenceopen allclose all
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to other study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: CIPAC MT 58.2
Deviations:
yes
Remarks:
See Further information on methods.
Principles of method if other than guideline:
N/A
GLP compliance:
yes (incl. QA statement)
Remarks:
UK GLP Regulation (1999)
Type of distribution:
counted distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
417-560-0
EC Name:
-
Cas Number:
67881-98-5
Molecular formula:
C11H22NO6P
IUPAC Name:
trimethyl[2-({2-[(2-methylprop-2-enoyl)oxy]ethyl phosphonato}oxy)ethyl]azanium
Details on test material:
- Name of test material (as cited in study report): HEMA-PC (2-Methacryloyloxyethyl-2'-(trimethylammoniumethyl) phosphate
- Substance type: Pure Active Substance
- Physical state: Solid
- Analytical purity: 99 % (98-101 %)
- Impurities (identity and concentrations): 0.1 % by area (HPLC)
- Purity test date: 29 September 2008
- Lot/batch No.: SS148076
- Expiration date of the lot/batch: 27 October 2009 (lab default)
- Stability under test conditions: Stable
- Storage condition of test material: Under nitrogen at -20 degrees celsius in the dark.
- Other: N/A

Results and discussion

Particle size
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
< 150 µm
Distribution:
1.8 %
No.:
#2
Size:
>= 150 - < 250 µm
Distribution:
3.4 %
No.:
#3
Size:
>= 250 - < 355 µm
Distribution:
1 %
No.:
#4
Size:
>= 355 - < 420 µm
Distribution:
0.7 %
No.:
#5
Size:
>= 420 - < 500 µm
Distribution:
7 %
No.:
#6
Size:
>= 500 - < 710 µm
Distribution:
3.8 %
No.:
#7
Size:
>= 710 - < 850 µm
Distribution:
6.1 %
No.:
#8
Size:
>= 850 µm
Distribution:
76.1 %

Any other information on results incl. tables

N/A

Applicant's summary and conclusion

Conclusions:
Determination of granulometry was conducted successfully according to CIPAC Guideline MT58.2.
76.1 % of the test item was determined to exist in the >850 μm fraction. A full breakdown of the test item granulometry is provided in the particle size distribution section of this study summary.
Executive summary:

Determination of granulometry was conducted successfully according to CIPAC Guideline MT58.2.

76.1 % of the test item was determined to exist in the >850 μm fraction. A full breakdown of the test item granulometry is provided in the particle size distribution section of this study summary.