223336
钨酸钠 二水合物
ACS reagent, ≥99%
别名:
钨酸 钠盐 二水合物
登录 查看组织和合同定价。
选择尺寸
关于此项目
线性分子式:
Na2WO4 · 2H2O
化学文摘社编号:
分子量:
329.85
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
236-743-4
MDL number:
Assay:
≥99%
Grade:
ACS reagent
Form:
crystalline powder
产品名称
钨酸钠 二水合物, ACS reagent, ≥99%
InChI key
WPZFLQRLSGVIAA-UHFFFAOYSA-N
InChI
1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
SMILES string
O.O.[Na+].[Na+].[O-][W]([O-])(=O)=O
grade
ACS reagent
assay
≥99%
form
crystalline powder
reaction suitability
reagent type: catalyst
core: tungsten
impurities
≤0.01% insolubles
≤0.02 meq/g Titr. free base
pH
9-11.5 (20 °C, 100 g/L)
mp
698 °C (lit.)
anion traces
chloride (Cl-): ≤0.005%
sulfate (SO42-): ≤0.01%
cation traces
Mo: ≤0.001%
heavy metals and iron (as Pb): ≤0.001%
Quality Level
正在寻找类似产品? 访问 产品对比指南
Application
与过氧化氢结合，用于仲胺氧化成硝酮。
二水合钨酸钠可用于制备二水合氧化钨溶胶。
钨酸钠二水合物 (Na2WO4.2H2O) 可用于以下研究：
- 作为荧光法测定过氧化氢的衍生试剂。
- 合成N-羟基 - 去铁胺 B——一种微生物产品去铁胺 B 的代谢产物。
- 高晶型 CaMoO4、SrMoO4、CaWO4 和 SrWO4 纳米颗粒的制备。
General description
二水合钨酸钠是钨酸的水合钠盐。作为催化剂参与各种环氧化物的制备。已分析二水合钨酸钠的各种晶体学属性。
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral
存储类别
13 - Non Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
B E Roggo et al.
The Journal of antibiotics, 46(2), 294-299 (1993-02-01)
N-Hydroxy-desferrioxamine B (5), a postulated metabolite of the microbial product desferrioxamine B (1), has been prepared by reduction of the intermediate oxime 6 with sodium cyanoborohydride. The oxime was obtained by selective oxidation of desferrioxamine B with hydrogen peroxide and
Preparation of aqueous sols of tungsten oxide dihydrate from sodium tungstate by an ion-exchange method.
Choi YG, et al.
Sensors and Actuators B, Chemical, 87(1), 63-72 (2002)
Lattice constants and space group of sodium tungstate dihydrate.
Pistorius CWFT and Sharp WE.
Acta Crystallographica, 14(3), 316-317 (1961)
Reactions of hydrogen peroxide. IV. Sodium tungstate catalyzed epoxidation of α, β-unsaturated acids.
Payne GB and Williams PH.
The Journal of Organic Chemistry, 24(1), 54-55 (1959)
Maki Onoda et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 22(6), 815-817 (2006-06-15)
A simple batch method for the fluorometric determination of hydrogen peroxide using phosphine-based fluorescent reagents has been developed. A rapid, mild and selective derivatization reaction was achieved by adding sodium tungstate dihydrate to the reaction mixture of hydrogen peroxide and
我们的科学家团队拥有各种研究领域经验，包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.
联系客户支持