223328
Tungstic acid
99%
Synonym(s):
dihydroxy(dioxo)tungsten
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All Photos(3)
About This Item
Linear Formula:
H2WO4
CAS Number:
Molecular Weight:
249.85
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.23
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Quality Level
Assay
99%
form
powder
density
5.5 g/mL at 25 °C (lit.)
SMILES string
O[W](O)(=O)=O
InChI
1S/2H2O.2O.W/h2*1H2;;;/q;;;;+2/p-2
InChI key
CMPGARWFYBADJI-UHFFFAOYSA-L
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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
Application
Starting material for the synthesis of a novel dimeric heteropolyoxopeoxotungstate which has potential in further studies of grafted polyoxoperoxo species on silica.
Packaging
5 g packaged in glass bottles; 100 g, 500 g packaged in poly bottles
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Piquemal, J-Y. et al.
Chemical Communications (Cambridge, England), 473-473 (1997)
P Blanchardie et al.
Journal of steroid biochemistry, 18(6), 789-799 (1983-06-01)
Characterization of the glucocorticoid receptor from rabbit liver cytosol was studied in vitro. Binding of [3H]-dexamethasone showed a high affinity (KD = 2.4 . 10(-9)M) and a concentration of binding sites of 0.3 . 10(-12) mol/mg proteins. Association and dissociation
G Giordano et al.
Biochimica et biophysica acta, 839(2), 181-190 (1985-04-17)
We report some properties of Protein PA which has been isolated from the soluble fraction of a chlB mutant after anaerobic growth in the presence of KNO3. This protein has been identified by its capacity to reactivate nitrate reductase present
Zhijun Tai et al.
Chemical communications (Cambridge, England), 48(56), 7052-7054 (2012-06-09)
A temperature-controlled phase-transfer catalyst-tungsten acid, which in combination with a robust heterogeneous catalyst Ru/C shows a high activity and exceptional reusability for the one-pot conversion of cellulose to ethylene glycol. This binary system can be reused more than 20 times
R C Wahl et al.
Archives of biochemistry and biophysics, 230(1), 264-273 (1984-04-01)
Reconstitution of the apoprotein of the molybdoenzyme nitrate reductase in extracts of the Neurospora crassa mutant nit-1 with molybdenum cofactor released by denaturation of purified molybdoenzymes is efficient in the absence of exogenous MoO2-4 under defined conditions. Evidence is presented
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