Registration Dossier
Registration Dossier
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EC number: 242-159-0 | CAS number: 18282-10-5
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 5th March 2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP study in compliance with international recognized guidelines
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- pycnometer method
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch number of test material:
2012-000203
- Expiration date of the lot/batch:
07/02/2013, W0167
- Purity test date:
> 99.9%, 23/01/2011
INFORMATION ON NANOMATERIALS
- Chemical Composition:
Tin Dioxide
- Density:
6.936 g/cm³
- Particle size & distribution:
10-100 nm; 78
- Specific surface area: 7.4293 ± 0.0132 m²/g - Type:
- relative density
- Density:
- 6.936
- Temp.:
- 20 °C
- Remarks on result:
- other: determined using the density of water at 4°C (0.999972 g/cm3)
Reference
Density of Tin dioxide:
| Weight n° | Determined sample volume [cm3] | Weight test item [g] | Temperature [°C] | Density [g/cm3] | Relative Density[-] |
| 1 | 1.95881 | 13.5673 | 20 | 6.9263 | 6.9265 |
| 2 | 1.60404 | 11.1387 | 20 | 6.9441 | 6.9443 |
| mean | 20 | 6.9352 | 6.9354 | ||
| AD | 0 | 0.0178 | 0.0178 | ||
| RD | 0 | 0.3 | 0.4 |
RD: Reklative Deviation, AD: Absolute Deviation.
Description of key information
Relative Density of Tin Dioxide Nano particles(OECD 103, EU Method A.3): 6.936
Key value for chemical safety assessment
- Relative density at 20C:
- 6.936
Additional information
The key study available has been performed on Tin-dioxide nano form.
Relative density of Tin Dioxide as reported in the WHO 2005 summary, unspecified form: 6.95.
Bulk form and nano form of Tin Dioxide are found to have very similar desity.
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