13517-24-3
| Name | SODIUM METASILICATE NONAHYDRATE |
| CAS | 13517-24-3 |
| EINECS(EC#) | 229-912-9 |
| Molecular Formula | H18Na2O12Si |
| MDL Number | MFCD00149175 |
| Molecular Weight | 284.2 |
| MOL File | 13517-24-3.mol |
Chemical Properties
| Appearance | white crystals |
| Melting point | 72.2℃ [OXY93] |
| density | 2.61 |
| solubility | H2O: soluble(lit.) |
| form | Solid |
| color | White |
| Stability: | Stable. |
| Water Solubility | 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] |
| Major Application | agriculture |
| InChI | InChI=1S/Na.H2O3Si.H2O.H/c;1-4(2)3;;/h;1-2H;1H2; |
| InChIKey | PHIQPXBZDGYJOG-UHFFFAOYSA-N |
| SMILES | [Si](=O)(O)O.[NaH].O |
| CAS DataBase Reference | 13517-24-3(CAS DataBase Reference) |
| EPA Substance Registry System | Silicic acid (H2SiO3), disodium salt, nonahydrate (13517-24-3) |
Safety Data
| Symbol(GHS) |   GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H290-H314-H335 |
| Precautionary statements | P260-P280-P303+P361+P353-P305+P351+P338+P310 |
| Hazard Codes | C |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 3253 8/PG 3 |
| WGK Germany | 1 |
| HazardClass | 8 |
| PackingGroup | III |
| HS Code | 28391100 |
| Storage Class | 8A - Combustible corrosive hazardous materials |
| Hazard Classifications | Eye Dam. 1 Met. Corr. 1 Skin Corr. 1B STOT SE 3 |