Registration Dossier
Registration Dossier
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EC number: 215-687-4 | CAS number: 1344-09-8
Additional information on environmental fate and behaviour
Administrative data
- Endpoint:
- additional information on environmental fate and behaviour
- Type of information:
- other: Qualitative statement
- Adequacy of study:
- other information
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Acceptable procedure and publication
Data source
Reference
- Reference Type:
- publication
- Title:
- The reaction rates of polysilicic acids with molybdic acid
- Author:
- O'Connor TL
- Year:
- 1 961
- Bibliographic source:
- J. Phys. Chem. 65, 1-5.
Materials and methods
- Principles of method if other than guideline:
- Qualitative statement on extent of depolymerisation of commercial sodium silicate solutions.
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
Any other information on results incl. tables
RM-Freetext:
Polymerisation-Depolymerisation:
Upon dilution of concentrated commercial silicate solutions
with water, the highly cross-linked polysilicate ions
depolymerize rapidly to monosilicate ions, the extent of
depolymerisation depending on the dilution factor.
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.
