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EC number: 700-792-4 | CAS number: -
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 30 May 2012 - 03 September 2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Experimental study conducted in GLP compliant lab according to EC and OECD test methods
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
- Report date:
- 2012
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of distribution:
- mass based distribution
Test material
- Reference substance name:
- Reaction mass of 1,2,2,6,6-pentamethylpiperidin-4-yl hexadecanoate and 1,2,2,6,6-pentamethylpiperidin-4-yl octadecanoate
- EC Number:
- 700-792-4
- Molecular formula:
- C26H51NO2, C28H55NO2
- IUPAC Name:
- Reaction mass of 1,2,2,6,6-pentamethylpiperidin-4-yl hexadecanoate and 1,2,2,6,6-pentamethylpiperidin-4-yl octadecanoate
- Test material form:
- other: white to pale yellow solid
- Details on test material:
- - Name of test material (as cited in study report): T-1640L
- Physical state: white to pale yellow solid
- Analytical purity: 98.74%
- Purity test date:
- Lot/batch No.: 10121
- Expiration date of the lot/batch: 12 April 2013
- Stability under test conditions: stable
- Storage condition of test material: refrigerated in the dark under dry conditions
Constituent 1
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:
- > 400 µm
- Distribution:
- 88.7 %
- No.:
- #2
- Size:
- >= 125 - <= 400 µm
- Distribution:
- 9.6 %
- No.:
- #3
- Size:
- >= 75 - <= 125 µm
- Distribution:
- 1 %
- No.:
- #4
- Size:
- >= 30 - <= 75 µm
- Distribution:
- 0 %
- No.:
- #5
- Size:
- >= 10 - <= 30 µm
- Distribution:
- 0 %
- No.:
- #6
- Size:
- <= 10 µm
- Distribution:
- 0 %
Applicant's summary and conclusion
- Conclusions:
- The results indicated that 0% w/w of T-1640L was smaller than 75 μm.
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