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Merck
CN

95420

钨酸

≥98.0% (calcined substance, T), powder

别名:

Tungstic(VI) acid

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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, ≥98.0% (calcined substance, T), powder

form

powder

InChI key

CMPGARWFYBADJI-UHFFFAOYSA-L

InChI

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

SMILES string

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

assay

≥98.0% (calcined substance, T)

impurities

≤0.2% insoluble matter in NaOH

loss

≤9.0% loss on ignition

density

5.5 g/mL at 25 °C (lit.)

Quality Level

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General description

Tungstic acid may be prepared by either digesting tungstate of lime or by treating tungsten with hydrochloric acid. 1

signalword

Warning

pictograms

Exclamation mark

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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G Soman et al.
Biochemistry, 22(21), 4994-5000 (1983-10-11)
The differential effects of the oxyanions of the early transition metals ions V(V), W(VI), and Mo(VI) on the catalytic activity and coenzyme binding of rabbit skeletal muscle phosphorylase are studied. The oligoanions of V(V), W(VI), and Mo(VI) are potent inhibitors
Bromide-assisted oxidation of substituted phenols with hydrogen peroxide to the corresponding p-quinol and p-quinol ethers over WO4(2-)-exchanged layered double hydroxides.
B F Sels et al.
Angewandte Chemie (International ed. in English), 44(2), 310-313 (2004-12-23)
S T LaBrie et al.
Molecular & general genetics : MGG, 233(1-2), 169-176 (1992-05-01)
The characterization of mutants that are resistant to the herbicide chlorate has greatly increased our understanding of the structure and function of the genes required for the assimilation of nitrate. Hundreds of chlorate-resistant mutants have been identified in plants, and
[Experimental study on etiological mechanism of convulsion--special reference to convulsions and epileptiform activity waves associated with physical maturity].
Toshio Yamauchi
Seishin shinkeigaku zasshi = Psychiatria et neurologia Japonica, 110(1), 3-12 (2008-05-02)
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

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