disodium oxo-$l^{5}-silanebis(olate)

• ChemBase编号: 112801
• 分子式: Na2O3Si
• 平均质量: 122.06324
• 单一同位素质量: 121.94120895
• SMILES: [Na+].[Na+].[O-][Si](=O)[O-]
• Canonical SMILES: [O-][Si](=O)[O-].[Na+].[Na+]
• InChI: InChI=1S/2Na.O3Si/c;;1-4(2)3/q2*+1;-2
• InChIKey: NTHWMYGWWRZVTN-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: disodium oxo-$l^{5}-silanebis(olate); disodium oxosilanebis(olate)
• IUPAC传统名: dipotassium oxo-$l^{5}-silanebis(olate); disodium oxosilanebis(olate)
• 别名: 无水偏硅酸钠, tech.; 水玻璃钠; 七氧三硅二钠; 硅酸钠; 偏硅酸钠; Sodium silicate (meta); Sodium metasilicate, anhydrous, tech.; Sodium water glass; Sodium trisilicate; Disodium metasilicate; Disodium silicate; Sodium silicon oxide; Sodium silicate; Sodium metasilicate; SODIUM-m-SILICATE; Liquid glass; Waterglass; Sodium silicate

登记号

• CAS号: 1344-09-8; 6834-92-0
• EC号: 229-912-9; 215-687-4
• MDL号: MFCD00003492
• 默克索引号: 148642
• PubChem SID: 24848316; 162098255; 24858628
• PubChem CID: 23266
• CHEBI ID: 60720
• Chemspider ID: 21758
• 医学主题词(MeSH): Sodium+metasilicate
• 维基百科标题: Sodium_silicate

理论计算性质

• Acid pKa: 2.69897
• 质子受体: 3
• 质子供体: 0
• LogD (pH = 5.5): -3.533295
• LogD (pH = 7.4): -3.6921096
• Log P: -1.3788
• 摩尔折射率: 4.3287 cm^3
• 极化性: 4.5841517 Å^3
• 极化表面积: 63.19 Å^2
• 可自由旋转的化学键: 0
• 里宾斯基五规则: true

分子性质

理化性质

• 溶解度: insoluble in alcohol; Soluble in cold water. Hydrolyzes in hot water
• 外观: -18 Mesh Granular; powder; White to greenish opaque crystals
• 熔点: 1088°C; 1088°C
• 密度: 2.4 g cm^-3; 2.61
• 折射率: 1.52
• 标准摩尔生成焓 (ΔfH^o298): -1561.43 kJ mol^-1
• 标准摩尔熵 (S^o298): 113.71 J K^-1 mol^-1

安全信息

• RTECS编号: VV9275000
• 欧盟危险性物质标志: 腐蚀性(Corrosive) (C); 刺激性(Irritant) (Xi)
• 联合国危险货物编号: 3253; UN3253
• 德国WGK号: 1; 3
• 联合国危险货物等级: 8
• 联合国危险货物包装类别(PG): 3; III
• 危险公开号: 34-37; 36/37/38; R:34-37; R34, R37
• 安全公开号: 13-24/25-36/37/39-45; 26; S:13-24/25-36/37/39-45; S1/2, S13, S24/25, S36/37/39, S45
• TSCA收录: 是
• 欧盟危险品索引: 014-010-00-8
• GHS危险品标识: GHS05; GHS07
• GHS警示词: Danger; Warning
• NFPA704:
  

  0

  2

  0
• GHS危险声明: H314-H318-H302-H335; H314-H335; H315-H319-H335
• GHS警示性声明: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A; P261-P280-P305 + P351 + P338-P310; P261-P305 + P351 + P338
• 个人保护装置: dust mask type N95 (US), Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges; dust mask type N95 (US), Eyeshields, Faceshields, Gloves; Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
• RID/ADR: UN 3253 8/PG 3

产品相关信息

• 纯度: ≥18% Na (as Na2O) basis; ≥60% Si (as SiO2) basis
• 级别: purum
• 主要成分: Na2O, 18.0-20.0%; SiO2, 44-47%; SiO2, 62.0-65.0%
• 干燥失重: ≤20% loss on ignition, 800 °C; 15-18% loss on ignition, 800°C
• 线性分子式: Na2O · 3SiO2; Na2SiO3

详细说明

MP Biomedicals - 05225912

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 307815

包装
1 kg in poly bottle
25 g in poly bottle
Application
Reactant for:
• Hydrothermal preparation of thorium uranium silicate (Th1-xUxSiO4) uranothorite solid solutions
• Fabrication of dense NaA zeolite coatings
• Reactant for preparation of tungsten modified silica as catalyst for liquid phase oxidation of styrene
用于制备一种新型手性骨架材料 NaZnSiO3OH，它在离子交换、吸附和催化方面具有应用潜力。1