Sodium metasilicate, pentahydrate, ≥95%
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About Sodium metasilicate, pentahydrate, ≥95%
Sodium metasilicate, pentahydrate, ≥95% sits in our alkali Metal Compounds (Li, Na, K, Rb, Cs) section and ships worldwide from stock or short lead time. Identity at a glance (≥95%): CAS 10213-79-3, formula H10Na2O8Si and molar mass 212.14 g/mol. It is described as colourless or white beads to powder.
Common uses in the lab and plant
- Organic synthesis
- Paints, coatings & inks
- Battery & energy materials
- Ceramics & glass
- Oxidation reactions
Handling and storage
Hazard communication follows GHS (Danger: H302, H314, H318 and H371). Our SDS lists exposure controls and first-aid measures.
Available as 500 g, 1 kg, 5 kg and 25 kg. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Organic synthesis
- Paints, coatings & inks
- Battery & energy materials
- Ceramics & glass
- Oxidation reactions
Applications
Specifications and identifiers
| Product name | Sodium metasilicate, pentahydrate, ≥95% |
|---|---|
| Catalogue number | ZX-013238 |
| CAS number | 10213-79-3 |
| IUPAC name | disodium;dioxido(oxo)silane;pentahydrate |
| Molecular formula | H10Na2O8Si |
| Molar mass | 212.14 g/mol |
| Exact mass | 211.994 |
| Purity / assay | ≥95% |
| Physical form | Granules |
| Appearance | Colourless or white beads to powder |
| H-bond donors / acceptors | 5 / 8 |
| Topological polar surface area | 68.2 Ų |
| HS code | 34029099 |
| InChIKey | ADPGKKZKGXANON-UHFFFAOYSA-N |
| SMILES | O.O.O.O.O.[O-][Si](=O)[O-].[Na+].[Na+] |
| PubChem CID | 61495 |
| Synonyms | Sodium silicate hydrated, Sodium metasilicate pentahydrate, Silicic acid (H2SiO3), disodium salt, pentahydrate, Silicic acid, disodium salt, pentahydrate, Sodium oxosilanebis(olate)--water (2/1/5), Sodium metasilicate pentahydrate, >=95.0% (T) |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
- H318Causes serious eye damage
- H371May cause damage to organs
Precautionary statements P260, P264, P264 + P265, P270, P280, P301 + P317, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P308 + P316, P316, P317, P321, P330, P363, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 500 g | Quoted on request | |
| 1 kg | Quoted on request | |
| 5 kg | Quoted on request | |
| 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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