Basic information
- CAS
13517-24-3- Standard SMILES
O.O.O.O.O.O.O.O.O.O=[Si]([O-])[O-].[Na+].[Na+]- InChIKey
PHIQPXBZDGYJOG-UHFFFAOYSA-N- Molecular formula
- H18Na2O12Si
- Average molar mass
- 284.2 g/mol
- Monoisotopic mass
- 284.03629111
Overview
Sodium silicate nonahydrate is a hydrate that is the nonahydrate form of sodium silicate. It contains a sodium silicate.
Names & identifiers
- Preferred name
- Sodium silicate nonahydrate
- IUPAC
- disodium;dioxido(oxo)silane;nonahydrate
- English name
- SODIUM METASILICATE NONAHYDRATE
- Molecular formula
- H5NaO4Si
- Molecular weight
- 120.11
Names & synonyms
Sodium metasilicate nonahydrate13517-24-3Silicic acid (H2SiO3), disodium salt, nonahydratesodium silicate nonahydrateD8D44215LZDISODIUM METASILICATE NONAHYDRATEDTXSID9029728CHEBI:132108RefChem:183975DTXCID109728disodium;dioxido(oxo)silane;nonahydrateUNII-D8D44215LZ
Show more names
Sodium Meta Silicate LRSODIUM META-SILICATE 9 HYDSodiumsilicate,nonahydrateSODIUM M-SILICATE, HYDROUSSodium metasilicate nohydrateSodiummetasilicateenneahydrateSODIUM META-SILICATE, 9-HYDRATESodium metasilicale nonahydrateSODIUM SILICATE, META NONAHYDRATE
H18Na2O12SiSCHEMBL578147PHIQPXBZDGYJOG-UHFFFAOYSA-NAKOS030228265FS57695sodium oxosilanebis(olate)--water (1/9)SODIUM METASILICATE NONAHYDRATE [MI]Sodium oxosilanebis(olate)--water (2/1/9)
Database identifiers
- CAS
Properties
Computed structural properties
- Topological polar surface area
- 72.2 Ų
- Hydrogen bond donors
- 9
- Hydrogen bond acceptors
- 12
- Rotatable bonds
- 0
- Heavy atoms
- 15
- Formal charge
- 0
- Complexity
- 18.8
Experimental & physicochemical properties
Chemical ClassesMetals -> Metals, Inorganic Compounds
Density2.614 @25 °C
Melting Point1089 °C
Physical DescriptionEfflorescent solid; [Merck Index] Hygroscopic solid; [Sigma-Aldrich MSDS]
Physicochemical properties
- Melting point
- 72.2 ℃ · 72.2℃ [OXY93]
- Density
- 2.61 · 2.61
- solubility
- 2 O: · H2O: soluble(lit.)
- form
- Solid
- color
- White
- Water Solubility
- 100 parts · parts/100 parts solution in H2O: 27.5 (20°C), 44.5 (35°C), 62.8 (45°C), 80.9 (55°C), 84.0 (60°C), 91.2 (70°C) [OXY93]
- Stability
- Stable.
- Major Application
- agriculture
- InChI
- InChI=1S/Na.H2O3Si.H2O.H/c;1-4(2)3;;/h;1-2H;1H2;
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
Danger
H314 (99.5%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
P260, P261, P264, P264+P265, P271, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P319, P321, P363, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 187 reports by companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Danger
H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
Hazard information
Regulatory InformationSilicic acid (H2SiO3), disodium salt, nonahydrate: Does not have an individual approval but may be used under an appropriate group standard
Hazards Summary
Corrosive to moistened rabbit skin; Sodium metasilicate was not sensitizing in a local lymph node assay study of mice; Similar uses and adverse effects are expected from the hydrous and anhydrous forms (Sodium metasilicate pentahydrate, Sodium metasilicate nonahydrate, Sodium metasilicate, Sodium silicate, and Potassium silicate). One case of occupational contact urticaria reported from sodium silicate; [OECD SIDS: Soluble Silicates - 2004] Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract; [Sigma-Aldrich MSDS] See Sodium metasilicate.
Hazard Classes and Categories
Skin Corr. 1B (99.5%)
Skin corrosion/irritation - Category 1
Safety & protection
Protective Action Criteria (PAC)
Chemistry & industry
Uses & manufacturing
Uses
Used as a starting material for zeolites and silica catalysts, as an adhesive and binder, corrosion inhibitor, penetrating sealant, fireproofing agent (wood, paper, and fabric), detergent booster, and shell coating material to preserve eggs; Also used in cements, drilling fluids, and waste water treatment; [Merck Index] Alkali metal silicates are used as starting materials for products like silicas and zeolites, in detergents and cleaners, and pulp and paper production; Also used to a lesser extent in soil stabilization and sealing, adhesives and binders (construction materials, paperboard and cardboard, ceramic binders, refractories, welding rods, and foundry molds and cores), surface coatings (titanium dioxide production, paints for masonry and glass, and spray coatings for tunnel construction and mining), water treatment (corrosion protection), enhanced oil recovery, and textile processing (bleach and dye stabilizing); [OECD SIDS: Soluble Silicates - 2004]
Molding and Core Making [Category: Foundry]
Household ProductsInformation on 2 consumer products that contain Sodium metasilicate nonahydrate in the following categories is provided:
Applications
DescriptionSodium metasilicate non-hydrate is the non-hydrate form of sodium metasilicate. Sodium metasilicate (chemical formula: Na2SiO3) is a kind of sodium silicate, appearing as a powdered or flaked solid. It is used in cements, passive fire protection, textile and lumber processing, refractories, and automobiles. It has various kinds of applications. The major applications are in detergents, paper, water treatment, and construction materials as well as dye auxiliary. In addition, it also has many niche and hobby applications such as used in food preservation, metal repair, automotive repair, home-brewing, aquaculture and pottery. It is manufactured through the reaction between sodium carbonate and silicon dioxide.
UsesSodium Metasilicate Nonahydrate is used in preparation method and application of Cationic Polyacrylamide modified Silicon Dioxide/Calcium Inosilicate material in wastewater treatment.
UsesSilicon (Si) has been reported to effectively manage some pests and diseases of plants.Exogenous application of silicon (Si) in the form of sodium metasilicate reduced disease development caused by Penicillium expansum and Monilinia fructicola in sweet cherry fruit at 20 degrees C. The inhibition of fruit decay was correlated closely with Si concentrations.
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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