偏硅酸钠（CAS 1344-09-8）：分子式 Na2O3Si、分子量 122.063。
| CAS号 | 1344-09-8 |
|---|---|
| 分子式 | Na2O3Si |
| 分子量 | 122.063 |
| 熔点 | 1089 °C |
| 沸点 | 102 °C @760 [mm Hg] |
偏硅酸钠 是一种化工化合物，登记 CAS 号为 1344-09-8，分子式 Na2O3Si（分子量 122.063）。
登记 CAS 号：1344-09-8
其分子式 Na2O3Si 由 2 个钠、3 个氧、1 个硅 组成。
别名/同义词：偏硅酸钠 · SODIUM META SILICATE · Sodium silicate
偏硅酸钠 的 CAS 登记号为 1344-09-8。
分子式 Na2O3Si，分子量 122.063。
别名/同义词：偏硅酸钠、SODIUM META SILICATE、Sodium silicate。
偏硅酸钠（CAS 1344-09-8）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 1344-09-8 |
|---|---|
| PubChem CID | 23266 |
| Molecular formula | Na2O3Si |
| IUPAC name | disodium;dioxido(oxo)silane |
| UNII (FDA) | 052612U92L |
| Molecular Weight | 122.063 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 121.94120896 |
| Monoisotopic Mass | 121.94120896 |
| Topological Polar Surface Area | 63.2 |
| Heavy Atom Count | 6 |
| Boiling Point | 102 °C @760 [mm Hg] |
|---|---|
| Melting Point | 1089 °C |
| Density | 2.614 |
| Density | 1.1 to 1.7 @ 15°C |
| Vapor Pressure | 18 [mm Hg] |
SODIUM SILICATE; Waterglass; Sodium siliconate; Sodium sesquisilicate; Sodium silicate glass; Sodium water glass; Britesil; Carsil; Dryseq; Sikalon; Silican; Soluble glass; Silicic acid, sodium salt; Agrosil S; Agrosil LR; Portil A
| Regulatory & Food Contact | FDA Substance added to food: Use unspecified FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, DRYING AGENT, HUMECTANT, PROCESSING AID FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CIR / INCI: Cosmetic ingredients (Sodium Metasilicate) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Cosmetic ingredients (Sodium Silicate) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Buffering; Anticorrosive; Chelating |
|---|---|
| GHS notification summary | 7.2% (290 / 4043) |
| GHS notification summary | 7.2% (290 / 4043) |
|---|---|
| Reported hazard statements | H314, H335, H290 (13.9%), H302 (24.1%), H315 (72.6%), H318 (61.5%), H319 (28%), H371 |
H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Sodium silicate · CAS 1344-09-8 · Na2O3Si. UNII 052612U92L. Boiling Point: 102 °C @760 [mm Hg]; Melting Point: 1089 °C; Density: 2.614.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: SODIUM META SILICATE