HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Sodium silicate nonahydrate
Sodium Meta Silicate LR · SODIUM META-SILICATE 9 HYD · Sodiumsilicate,nonahydrate · SODIUM M-SILICATE, HYDROUS · Sodium metasilicate nohydrate · Sodiummetasilicateenneahydrate · SODIUM META-SILICATE, 9-HYDRATE · SODIUM METASILICATE NONAHYDRATE
Identifikatoren & physikalische Daten
| CAS No. | 13517-24-3 |
|---|---|
| Summenformel | H18Na2O12Si |
| Durchschnittliche Molmasse | 284,2 g/mol |
| Monoisotopische Masse | 284,03629111 g/mol |
| SMILES | O.O.O.O.O.O.O.O.O.O=[Si]([O-])[O-].[Na+].[Na+] |
| InChIKey | PHIQPXBZDGYJOG-UHFFFAOYSA-N |
| PubChem CID | 61639 |
| ChEBI | CHEBI:132108 |
| EC No. | 603-903-3 |
| DTXSID | DTXSID9029728 |
Chemische & physikalische Eigenschaften
| Polarare Oberfläche (TPSA) | 72,2 |
|---|---|
| H-Brücken-Donoren | 9 |
| H-Brücken-Akzeptoren | 12 |
| Frei drehbare Bindungen | 0 |
| Schwere Atome | 15 |
| Formalladung | 0 |
| Komplexität | 18,8 |
| Stoffklassen | Metals -> Metals, Inorganic Compounds |
| Dichte | 2.614 @25 °C |
| Schmelzpunkt | 1089 °C72.2℃ [OXY93] |
| Physical Description | Efflorescent solid[Merck Index] Hygroscopic solid[Sigma-Aldrich MSDS] |
| Löslichkeit | H2O: soluble(lit.)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] |
| Aggregatzustand | Solid |
| Farbe | White |
| Stabilität | Stable. |
| Hauptanwendungen | agriculture |
| InChI | InChI=1S/Na.H2O3Si.H2O.H/c1-4(2)3/h1-2H1H2 |
| InChIKey | PHIQPXBZDGYJOG-UHFFFAOYSA-N |
| SMILES | [Si](=O)(O)O.[NaH].O |
| CAS Datenbank | 13517-24-3(CAS DataBase Reference) |
| EPA chemische Informationen | Silicic acid (H2SiO3), disodium salt, nonahydrate (13517-24-3) |
Sicherheit & Vorschriften
| GHS-Einstufung | DangerH314 (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.H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation] |
|---|---|
| Regulatorische Informationen | Silicic acid (H2SiO3), disodium salt, nonahydrate: Does not have an individual approval but may be used under an appropriate group standard |
| Gefahrenübersicht | Corrosive to moistened rabbit skinSodium metasilicate was not sensitizing in a local lymph node assay study of miceSimilar 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 burnsInhalation 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 |
| Protective Action Criteria (PAC) | 8.1 [mg/m3]89 [mg/m3]530 [mg/m3] |
| Unerwünschte Wirkungen | Dermatotoxin - Skin burns. |
| Wassergefährdungsklasse (WGK) | 1 |
| UN-Transportnummer | UN 3253 8/PG 3 |
| Zollcode | 28391100 |
| R-Sätze (R) | 34-37 |
| Gefahrensymbole |
Anwendungen & Verwendung
Verwenden
Sodium Metasilicate Nonahydrate is used in preparation method and application of Cationic Polyacrylamide modified Silicon Dioxide/Calcium Inosilicate material in wastewater treatment.