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EC number: 263-793-4 | CAS number: 63022-06-0
Nanomaterial dustiness
Administrative data
- Endpoint:
- nanomaterial dustiness
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 26 June 2020 to 17 July 2020
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 020
- Report date:
- 2020
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EN 15051-2 (Workplace exposure. Measurement of the dustiness of bulk materials - Rotating drum method)
- Deviations:
- no
- GLP compliance:
- not specified
- Type of method:
- rotating cylinder
- Sampling:
- Sample amount: 14 g
Each sample has been divided in eight equal lots using a rotary riffler, this rotary riffler is especially designed to minimize the loss of any fine dust. One of these divided lots has been used for determining the bulk density and the moisture content.
Test material
- Reference substance name:
- Xanthylium, 9-[2-(ethoxycarbonyl)phenyl]-3,6-bis(ethylamino)-2,7-dimethyl-, molybdatesilicate
- EC Number:
- 263-793-4
- EC Name:
- Xanthylium, 9-[2-(ethoxycarbonyl)phenyl]-3,6-bis(ethylamino)-2,7-dimethyl-, molybdatesilicate
- Cas Number:
- 63022-06-0
- Molecular formula:
- Not applicable as the substance is UVCB
- IUPAC Name:
- reaction products of ethyl 2-[3-(ethylamino)-6-ethylimino-2,7-dimethylxanthen-9-yl]benzoate with silicomolybdic acid
- Test material form:
- solid: nanoform
- Details on test material:
- Shape
Shape Category: spheroidal
Shape: spherical
Pure Shape: Yes
Typical Composition: ≤100%
range: >0; ≤100%
Particle size distribution & range
Shape Category: spheroidal
Percentile D10, typical value: 35nm
Percentile D10, range: ≥10; ≤50nm
Percentile D50, typical value: 50nm
Percentile D50, range: ≥35; ≤100nm
Percentile D90, typical value: 85nm
Percentile D90, range: ≥50; ≤150nm
Fraction in size range 1-100nm: ≥50; ≤100%
Crystallinity
structure: Amorphous
Pure structure: Yes
Specific Surface Area
Typical specific surface area: ca. 45m2/g
Range: ≥10; ≤200m2/g
Skeletal density: ca. 1,8 g/cm3
Surface Functionalisation/treatment
surface treatment applied: no
Constituent 1
- Specific details on test material used for the study:
- Sample material: Lumière Pink S.M.
Sample ID: 8135N
Batch Number: 021340
Supplier: Ferro Performance Pigments Belgium NV, Belgium
Data gathering
- Instruments:
- The health related dustiness investigations have been performed using the 15051 rotating drum dustiness tester according to the European standard
Results and discussion
Dustiness index
- Remarks on result:
- other: dustiness mass fractions determined
Any other information on results incl. tables
Summary of the dustiness data of sample Lumière Pink S.M. 8135N 021340 according to EN 15051, measured at a relative humidity of 48 %.
| Sample mass | Inhalable fraction | Thoracic fraction | Respirable fraction | ||||
| g | mg | mg/kg | mg | mg/kg | mg | mg/kg | |
| 1st test | 13.7182 | 218.9 | 15954 | 33.6 | 2446 | 4.4 | 318 |
2nd | 13.5742 | 196.9 | 14503 | 28.3 | 2089 | 6.0 | 443 |
3rd | 13.5632 | 211.6 | 15603 | 30.5 | 2250 | 4.8 | 356 |
Average |
|
| 15353 |
| 2262 |
| 372 |
Moisture content: 2.45 %
Bulk density: 353.2 kg m-3
It can be concluded based on the RSD values of the inhalable and thoracic fractions (≤15 %) that the dustiness potentials of the independent triplicates are highly repeatable. The higher RSD for the respirable fraction is caused by the lower absolute masses of the dust fractions or inhomogeneity of the samples.
Applicant's summary and conclusion
- Conclusions:
- The fraction of constituent particles with an aerodynamic diameter <10µm in Lumière Pink S.M. 8135N is <1%.
- Executive summary:
The dustiness of Lumière Pink S.M. 8135N was determined by EN 15051 - Rotating drum (method 2).
Results are shown below.
Sample mass Inhalable fraction Thoracic fraction Respirable fraction g mg mg/kg mg mg/kg mg mg/kg 1st test 13.7182 218.9 15954 33.6
2446
4.4
318
2nd
13.5742
196.9
14503
28.3
2089
6.0
443
3rd
13.5632
211.6
15603
30.5
2250
4.8
356
Average
15353
2262
372
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