Registration Dossier
Registration Dossier
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EC number: 215-687-4 | CAS number: 1344-09-8
Monitoring data
Administrative data
- Endpoint:
- monitoring data
- Type of information:
- other: survey of published water analyses
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Well-documented scientific publication.
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- Silica in streams and ground water.
- Author:
- Davis SN
- Year:
- 1 964
- Bibliographic source:
- Am. J. Sci. 262, 870-891.
Materials and methods
- Principles of method if other than guideline:
- survey of published water analyses from the United States Geological Survey or published by state agencies.
- Type of measurement:
- background concentration
- Media:
- surface water
Test material
- Reference substance name:
- Silicic acid, sodium salt
- EC Number:
- 215-687-4
- EC Name:
- Silicic acid, sodium salt
- Cas Number:
- 1344-09-8
- Molecular formula:
- Na2O x (SiO2)n with Molar Ratio (MR) (SiO2/Na2O): 1.5 – 4
- IUPAC Name:
- sodium hydroxy(oxo)silanolate
Constituent 1
Results and discussion
Concentration
- Country:
- United States (the)
- Substance or metabolite:
- other: SiO2
- Conc.:
- ca. 14 mg/L
- Remarks on result:
- other: The median value in the US was reported to be 17 mg SiO2/l for streams
Applicant's summary and conclusion
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.
