Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
메타규산나트륨(9수화물)
규산,디나트륨염,노나수화물 · 나트륨메타규산염,노나수화물 · 메타규산나트륨(9수화물) · Sodium Meta Silicate LR · SODIUM META-SILICATE 9 HYD · Sodiumsilicate,nonahydrate · SODIUM M-SILICATE, HYDROUS · Sodium metasilicate nohydrate
식별자 및 물리적 특성
| CAS No. | 13517-24-3 |
|---|---|
| 분자식 | H18Na2O12Si |
| 평균 분자량 | 284.2 g/mol |
| 단동위원소 질량 | 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 |
| 현지명 | 메타규산나트륨(9수화물) |
화학 및 물리적 성질
| 극성 표면적 | 72.2 |
|---|---|
| 수소 결합 공여자 수 | 9 |
| 수소 결합 수용자 수 | 12 |
| 회전 가능 결합 수 | 0 |
| 무거운 원자 수 | 15 |
| 형식 전하 | 0 |
| 복잡도 | 18.8 |
| 물질 분류 | Metals -> Metals, Inorganic Compounds |
| 밀도 | 2.614 @25 °C |
| 녹는점 | 1089 °C72.2℃ [OXY93] |
| Physical Description | Efflorescent solid[Merck Index] Hygroscopic solid[Sigma-Aldrich MSDS] |
| 용해도 | H2O: 용해성(lit.) |
| 물리적 상태 | 고체 |
| 색상 | 하얀색 |
| 용해도 | 부품/100개 부품 H2O 용액: 27.5(20°C), 44.5(35°C), 62.8(45°C), 80.9(55°C), 84.0(60°C), 91.2(70°C) [ 옥시93] |
| 안정성 | 안정적인. |
| 주요 응용 | 농업 |
| InChI | InChI=1S/Na.H2O3Si.H2O.H/c1-4(2)3/h1-2H1H2 |
| InChIKey | PHIQPXBZDGYJOG-UHFFFAOYSA-N |
| SMILES | [Si](=O)(O)O.[NaH].O |
| EPA | Silicic acid (H2SiO3), disodium salt, nonahydrate (13517-24-3) |
화학적 성질
white crystals
안전 및 규제
| GHS 분류 | 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] |
|---|---|
| 규제 정보 | Silicic acid (H2SiO3), disodium salt, nonahydrate: Does not have an individual approval but may be used under an appropriate group standard |
| 유해성 요약 | 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] |
| 유해 작용 | Dermatotoxin - Skin burns. |
| 수질 위해 등급(WGK) | 1 |
| 운송 번호(UN) | UN 3253 8/PG 3 |
| 관세 코드 | 28391100 |
| 위험 문구(R) | 34-37 |
| 위험 표시 | C |
| 안전 문구(S) | 13-36/37/39-45-24/25 |
용도
용도
Sodium Metasilicate Nonahydrate is used in preparation method and application of Cationic Polyacrylamide modified Silicon Dioxide/Calcium Inosilicate material in wastewater treatment.