disodium dioxotungstenbis(olate) dihydrate

• ChemBase编号: 102992
• 分子式: H4Na2O6W
• 平均质量: 329.8477
• 单一同位素质量: 329.93125741
• SMILES: O.O.[Na+].[Na+].[O-][W](=O)(=O)[O-]
• Canonical SMILES: [O-][W](=O)(=O)[O-].O.O.[Na+].[Na+]
• InChI: InChI=1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1
• InChIKey: WPZFLQRLSGVIAA-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: disodium dioxotungstenbis(olate) dihydrate
• IUPAC传统名: dipotassium dihydrate tungstate; disodium dihydrate tungstate
• 别名: 钨酸钠二水合物, ACS; 钨酸钠二水合物; 钨酸 钠盐 二水合物; 钨酸钠 二水合物; Tungstic acid sodium salt dihydrate; SODIUM TUNGSTATE DIHYDRATE; Sodium tungsten oxide dihydrate, ACS; Sodium tungstate(VI); Sodium tungsten oxide dihydrate; Tungstic acid sodium salt; SODIUM TUNGSTATE, ACS; Sodium tungstate dihydrate

登记号

• CAS号: 10213-10-2
• EC号: 236-743-4; 231-143-9
• MDL号: MFCD00149190
• 默克索引号: 148698
• PubChem SID: 24853376; 24886358; 24863685; 24886359; 24900048; 162090251; 24848569
• PubChem CID: 150191

理论计算性质

• Acid pKa: -2.30103
• 质子受体: 4
• 质子供体: 0
• LogD (pH = 5.5): -5.970884
• LogD (pH = 7.4): -6.2965326
• Log P: -1.7752
• 摩尔折射率: 5.7716 cm^3
• 极化性: 10.616612 Å^3
• 极化表面积: 80.26 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: H2O: soluble1 M at 20 °C, clear, colorless; Soluble in water. Insoluble in alcohol
• 外观: chunks; Crystalline; Powder
• 熔点: 100°C -2H{2}O; 698 °C(lit.)
• 密度: 3.250
• 紫外吸收波长: λ: 260 nm Amax: ≤0.120; λ: 280 nm Amax: ≤0.035
• pH值: 9.5-11.5 (25 °C, 1 M in H2O)

安全信息

• 保存条件: Room Temperature (15-30°C)
• RTECS编号: YO7900000
• 欧盟危险性物质标志: X; 刺激性(Irritant) (Xi); 有害性(Harmful) (Xn)
• 德国WGK号: 1
• 危险公开号: 22; 22-36; R:36/37/38
• 安全公开号: 26-36-60; 36; S:20-25-26-37/39
• TSCA收录: 是
• GHS危险品标识: GHS06; GHS07
• GHS警示词: Warning
• GHS危险声明: H301-H319; H302
• GHS警示性声明: P280-P301+P310-P305+P351+P338-P321-P405-P501A
• 个人保护装置: dust mask type N95 (US), Eyeshields, Gloves

产品相关信息

• 纯度: ≥99%; ≥99.0% (AT); ≥99.0% (T); 95%; 99%; 99.0-100.5; 99.0-101.0%; 99.0-101.0% (ACS specification); 99.995% trace metals basis; 99-101%
• 级别: ACS; ACS reagent; JIS special grade; puriss. p.a.; purum; REAGENT
• 适用性: suitable for preparation of protein-free filtrates according to Folin
• 杂质: ≤0.001% total nitrogen (N); ≤0.01% insolubles; ≤0.02 meq/g Titr. free base; ≤0.05% free alkali (as NaOH); ≤0.1% free alkali (as NaOH); insoluble matter, passes filter test
• 痕量阳离子: As: ≤0.5 mg/kg; As: ≤1 mg/kg; Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤10 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤20 mg/kg; Fe: ≤5 mg/kg; heavy metals and iron (as Pb): ≤0.001%; K: ≤50 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤0.001%; Mo: ≤10 mg/kg; Mo: ≤100 mg/kg; Ni: ≤10 mg/kg; Ni: ≤5 mg/kg; Pb: ≤10 mg/kg; Zn: ≤5 mg/kg
• 痕量阴离子: chloride (Cl-): ≤0.005%; chloride (Cl-): ≤100 mg/kg; chloride (Cl-): ≤50 mg/kg; sulfate (SO42-): ≤0.01%; sulfate (SO42-): ≤100 mg/kg; sulfate (SO42-): ≤200 mg/kg
• 产品质量级别: PREMIUM
• λ: 1 M in H2O
• 产品线: BioUltra
• 线性分子式: Na2WO4 · 2H2O

详细说明

MP Biomedicals - 02150161

Dihydrate
Used in Folin-Wu procedures for preparation of protein-free filtrates.

MP Biomedicals - 02152581

Dihydrate
ACS Reagent Grade
Purity: 99-101%

Sigma Aldrich - 72069

Other Notes
Stain in electron microscopy (nucleic acids, certain glycoproteins)1; Protein precipitant2.

Sigma Aldrich - 379751

包装
5, 25 g in poly bottle

Sigma Aldrich - 223336

包装
100, 500 g in poly bottle
5 g in glass bottle
Application
与过氧化氢结合，用于将仲胺氧化成硝酮。1

Sigma Aldrich - T2629

包装
50, 100, 500 g in poly bottle

参考文献

• Folin and Wu, J. Biol. Chem. , 38 : 81, (1919).