Registration Dossier
Registration Dossier
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Reaction mass of Cuprate(4-), [μ-[[3,3'-methylenebis[6-[[5-[(2,4-disulfophenyl)azo]-2,4-dihydroxyphenyl]azo]benzoato]](8-)]]di-, sodium and copper (2+) pentasodium 2-[2-{2-amino-5-[2-(2,4-disulfophenyl)diazen-1-yl]-4-hydroxyphenyl}diazen-1-yl]-5-({3-carboxy-4-[2-{5-[2-(2,4-disulfophenyl)diazen-1-yl]-4-hydroxy-2-oxidophenyl}diazen-1-yl]phenyl}methyl)benzoate and sodium chloride
EC number: 948-009-7 | CAS number: -
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Remarks:
- Particle Size Distribution / OECD 110
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- July 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
- Report date:
- 2018
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions) - Method B: Fibre Length and Diameter Distributions
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7520 (Particle Size, Fiber Length, and Diameter Distribution)
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 187: Particle Size Analysis by Laser Diffraction
- GLP compliance:
- no
- Remarks:
- GLP compliance not required
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- other: laser light scattering
Test material
- Reference substance name:
- Reaction mass of Cuprate(4-), [μ-[[3,3'-methylenebis[6-[[5-[(2,4-disulfophenyl)azo]-2,4-dihydroxyphenyl]azo]benzoato]](8-)]]di-, sodium and copper(2+) disodium 5-[(3-carboxyphenyl)methyl]-2-[2-{4-hydroxy-2-oxido-5-[2-(4-sulfophenyl)diazen-1-yl]phenyl}diazen-1-yl]benzoate” and sodium chloryde
- EC Number:
- 948-009-7
- Molecular formula:
- Not applicable for a multi-constituent substance
- IUPAC Name:
- Reaction mass of Cuprate(4-), [μ-[[3,3'-methylenebis[6-[[5-[(2,4-disulfophenyl)azo]-2,4-dihydroxyphenyl]azo]benzoato]](8-)]]di-, sodium and copper(2+) disodium 5-[(3-carboxyphenyl)methyl]-2-[2-{4-hydroxy-2-oxido-5-[2-(4-sulfophenyl)diazen-1-yl]phenyl}diazen-1-yl]benzoate” and sodium chloryde
- Test material form:
- solid: particulate/powder
- Details on test material:
- Acid brown 161 batch no. ID151860 CAS no. 85338-16-5
Composition of the muti-constituent substance is included in the report as an extract of the analytical report.
Constituent 1
- Specific details on test material used for the study:
- Acid brown 161 batch no. ID151860, CAS no. 85338-16-5, Einecs Mo. 286-689-0.
Appearance: Dark brown powder. Purity and composition described in the attached "Extract of the analytical report".
Results and discussion
- Mass median aerodynamic diameter:
- ca. 80.5 µm
- Geometric standard deviation:
- ca. 1.29
Particle sizeopen allclose all
- Key result
- Percentile:
- D10
- Mean:
- ca. 9.9 µm
- St. dev.:
- 0.52
- Key result
- Percentile:
- D50
- Mean:
- ca. 80.5 µm
- St. dev.:
- 1.29
- Key result
- Percentile:
- D90
- Mean:
- ca. 242.2 µm
- St. dev.:
- 1.72
Particle size distribution at different passagesopen allclose all
- No.:
- #1
- Size:
- ca. 9.4 µm
- Distribution:
- ca. 10 %
- No.:
- #1
- Size:
- ca. 79.2 µm
- Distribution:
- ca. 50 %
- No.:
- #1
- Size:
- ca. 240.5 µm
- Distribution:
- ca. 90 %
- No.:
- #2
- Size:
- ca. 10.4 µm
- Distribution:
- ca. 10 %
- No.:
- #2
- Size:
- ca. 81.8 µm
- Distribution:
- ca. 50 %
- No.:
- #2
- Size:
- ca. 243.9 µm
- Distribution:
- ca. 90 %
Any other information on results incl. tables
Two test series of 3 measurements each were performed with this test item.
Figures 1 and Figure 2 on pages 8 and 9 of the report show the results of both test series. On the left x-axis the fraction distribution and on the right y-axis the cumulative distribution is shown.
The test item Acid brown 161 has a median particle D50 = 80.5 µm, which was determined by laser diffraction measurement according to OECD Test Guideline 110 (1981), ISO 13320 (2009) and EPA OCSPP Guideline 830.7520 (1996).
Applicant's summary and conclusion
- Conclusions:
- The test item Acid brown 161 has a median particle D50 = 80.5 µm, which was determined by laser diffraction measurement according to OECD Test Guideline 110 (1981), ISO 13320 (2009) and EPA OCSPP Guideline 830.7520 (1996).
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