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Molecule
Tungstic Acid
CAS: 7783-03-1 · H2O4W
2D Structure
3D Structure
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Basic Information
- CAS Registry Number
- 7783-03-1
- Molecular Formula
- H2O4W
- Molecular Mass
- 249.852 g/mol
Identifiers
CAS Registry Number
7783-03-1
SMILES
[H+].[H+].[O].[O].[O].[O].[W-2]
InChI Key
BASIUPHYXUKEPE-UHFFFAOYSA-P
InChI
InChI=1S/4O.W/q;;;;-2/p+2
Names and Synonyms
- Tungstic Acid Common Name
- Tungstate (WO42-), hydrogen (1:2), (T-4)- Synonym
- Tungstic acid (H2WO4) Synonym
- Tungstate (WO42-), dihydrogen, (T-4)- Synonym
- Tungstic(VI) acid Synonym
- Tungstic acid Synonym
- Dihydrogen tetraoxotungstate(2-) Synonym
- dihydrogen tungstate (H2WO4) Synonym
- Tungsten hydroxide oxide (W(OH)2O2) Synonym
- Tungsten acid (H2WO4) Synonym
- Tungsten hydroxide oxide (W(OH)2O2), (T-4)- Synonym
- Tungsten hydroxide oxide (W(OH)2O2) Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Wikipedia Url | https://en.wikipedia.org/wiki/Tungstic_acid | CAS Common Chemistry |
| Canonical SMILES | [H+].O=[W-2](=O)(=O)=O | CAS Common Chemistry |
| InChI | InChI=1S/4O.W/q;;;;-2/p+2 | CAS Common Chemistry |
| InChI Key | InChIKey=BASIUPHYXUKEPE-UHFFFAOYSA-P | CAS Common Chemistry |
| Name | Tungstic acid (H2WO4) | CAS Common Chemistry |
| Molecular Mass | 249.852 g/mol | RDKit |
| 249.94623974400002 g/mol | RDKit | |
| 257.916 g/mol | chempirical lib | |
| Heavy Atom Count | 5 | RDKit |
| Hydrogen Bond Acceptors | 0 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 114.0 Ų | RDKit |
| LogP | -0.25270000000000004 | RDKit |
| -0.2527 | RDKit | |
| Molar Refractivity | 4.97 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 249.85 g/mol | CAS Common Chemistry |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
9
8
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3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
External Resources
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MW = 249.85 g/mol. Edit any field — others recompute live.
