14304
钨酸钠 二水合物
purum, ≥99%
别名:
钨酸 钠盐 二水合物
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关于此项目
线性分子式:
Na2WO4 · 2H2O
化学文摘社编号:
分子量:
329.85
UNSPSC Code:
12352300
PubChem Substance ID:
EC Number:
236-743-4
MDL number:
Assay:
≥99%
Form:
crystalline
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
purum
assay
≥99%
form
crystalline
reaction suitability
reagent type: catalyst
core: tungsten
impurities
≤0.1% free alkali (as NaOH)
pH
9-11.5 (20 °C, 100 g/L)
mp
698 °C (lit.)
anion traces
chloride (Cl-): ≤100 mg/kg, sulfate (SO42-): ≤200 mg/kg
cation traces
Fe: ≤20 mg/kg, Mo: ≤100 mg/kg
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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
法规信息
新产品
此项目有
Infrared absorption and differential scanning calorimetry studies of sodium tungstate dihydrate glasses containing iron oxide.
Al-Hawery AS.
Journal of Physics and Chemistry of Solids, 58(9), 1325-1328 (1997)
Luminescence and absorbance of highly crystalline CaMoO4, SrMoO4, CaWO4 and SrWO4 nanoparticles synthesized by co-precipitation method at room temperature.
Thongtem T, et al.
J. Alloy Compounds, 506(1), 475-481 (2010)
Alexander V Agafonov et al.
Molecules (Basel, Switzerland), 24(18) (2019-09-22)
The electrorheological (ER) effect was experimentally observed in dielectric suspensions containing tungsten oxide (WO3) modified with surfactant molecules (sodium dodecyl sulfate (SDS) and dodecylamine (DDA)) in electric fields up to several kilovolts per millimeter. The dielectric properties of WO3 suspensions
Gustavo S Guandalini et al.
Chemical research in toxicology, 24(4), 488-493 (2011-03-08)
Heavy metal tungsten alloys have replaced lead and depleted uranium in many munitions applications, due to public perception of these elements as environmentally unsafe. Tungsten materials left in the environment may become bioaccessible as tungstate, which might lead to population
M Amigó-Correig et al.
Diabetes, obesity & metabolism, 13(3), 235-242 (2011-01-06)
Sodium tungstate is an anti-obesity drug targeting peripheral tissues. In vivo, sodium tungstate reduces body weight gain and food intake through increasing energy expenditure and lipid oxidation, but it also modulates hypothalamic gene expression when orally administered, raising the possibility
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