Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 215-684-8 | CAS number: 1344-00-9
Nanomaterial specific surface area
Administrative data
- Endpoint:
- nanomaterial specific surface area
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- 2013, 2020
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 020
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- other: 5-point BET measurement
- Qualifier:
- according to guideline
- Guideline:
- ISO 9277 Determination of the specific surface area of solids by gas adsorption - BET method
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- other: ISO 18852
- GLP compliance:
- not specified
- Type of method:
- BET
Test material
- Reference substance name:
- Silicic acid, aluminum sodium salt
- EC Number:
- 215-684-8
- EC Name:
- Silicic acid, aluminum sodium salt
- Cas Number:
- 1344-00-9
- Molecular formula:
- nSiO2*mAl2O3*zNa2O n = 2-4; m = 0.12-3.20; z = 0.11-4.5
- IUPAC Name:
- aluminium(3+) sodium bis(oxosilanebis(olate))
- Test material form:
- solid: nanoform, no surface treatment
- Remarks:
- crystalline-free
Constituent 1
- Specific details on test material used for the study:
- four NAS products and SMAS were tested (for details cf. section 1.4)
Results and discussion
Specific surface area
- Key result
- Specific Surface Area:
- ca. 25 - ca. 395 m²/g
Any other information on results incl. tables
The detailed results are provided in the study reports attached in section 1.4. For confidential reasons the studies are presented here only in a summarized Weight of Evidence approach.
Applicant's summary and conclusion
- Conclusions:
- The measured BET values were between 25 and 395 m²/g.
- Executive summary:
The details of the studies are provided in their reports attached in section 1.4. For confidential reasons they are presented here only in a summarized Weight of Evidence approach.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
