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Merck
CN

223328

钨酸

99%

别名:

dihydroxy(dioxo)tungsten

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关于此项目

线性分子式:
H2WO4
化学文摘社编号:
分子量:
249.85
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
231-975-2
MDL number:
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产品名称

钨酸, 99%

InChI key

CMPGARWFYBADJI-UHFFFAOYSA-L

InChI

1S/2H2O.2O.W/h2*1H2;;;/q;;;;+2/p-2

SMILES string

O[W](O)(=O)=O

assay

99%

form

powder

density

5.5 g/mL at 25 °C (lit.)

Quality Level

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General description

钨酸可以通过石灰钨酸盐的消化或通过盐酸处理钨来制备。 1

Packaging

5 g 玻璃瓶封装;100 g, 500 g 聚乙烯瓶封装

Application

作为原材料可用于合成新型二聚杂多氧代钨酸盐,其具有进一步研究二氧化硅表面接枝多过氧化物种的潜力。

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

存储类别

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Piquemal, J-Y. et al.
Chemical Communications (Cambridge, England), 473-473 (1997)
Shaopu Liu et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 19(7), 1055-1060 (2003-07-26)
In a weak acid medium, when an isopoly-tungstic acid reacts with berberine to form an ion-association complex, strong resonance Rayleigh scattering (RRS) appears and obvious frequency-doubling scattering (FDS) as well as second-order scattering (SOS) come into being. The scattering peaks
Thierry Barré et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 61(4), 551-557 (2005-01-15)
This study is focused on the composition and the evolution of tungstate ions solutions as a function of pH and increasing concentrations. The Raman analysis showed that, during the titration of the tungstate solutions, WO4(2-), HWO4- ions and probably W2O7(2-)
L V Del Priore et al.
Biochimica et biophysica acta, 845(1), 81-85 (1985-04-22)
Anionic activation of rod outer segment phosphodiesterase by vanadate, molybdate and tungstate is demonstrated. Comparisons are made to adenylate cyclase, which is known to be activated by vanadate and molybdate but not by tungstate. In view of the differences in
J Kawada et al.
The Journal of endocrinology, 95(1), 117-124 (1982-10-01)
The role of xanthine oxidase in thyroid function was studied in the rat in vivo by different approaches. Allopurinol, an inhibitor of xanthine oxidase, was administered by mixing it with a powdered diet (16 mg/100 g body wt per day

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