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Selenous Acid
CAS: 7783-00-8 | H2O3Se
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
7783-00-8
Molecular Formula:
H2O3Se
Molecular Mass:
128.97 g/mol
Names and Synonyms:
Selenous Acid
Selenious acid
Selenious acid (H2SeO3)
Monohydrated selenium dioxide
Micro Se
Selenium hydroxide oxide (Se(OH)2O)
Identifiers:
SMILES:
O=[Se](O)O
InChI:
InChI=1S/H2O3Se/c1-4(2)3/h(H2,1,2,3)
Key Properties
Melting Point
70 °C (decomp)
CAS Common Chemistry
Density
3.00 g/cm³
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
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.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 128.97 g/mol | CAS Common Chemistry |
| 128.97299999999998 g/mol | RDKit | |
| 129.916915224 g/mol | RDKit | |
| Density | 3.00 g/cm³ | CAS Common Chemistry |
| 3.004 g/cm3 @ Temp: 15 °C | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Selenous_acid | CAS Common Chemistry |
| Canonical SMILES | O=[Se](O)O | CAS Common Chemistry |
| InChI | InChI=1S/H2O3Se/c1-4(2)3/h(H2,1,2,3) | CAS Common Chemistry |
| InChI Key | InChIKey=MCAHWIHFGHIESP-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 70 °C (decomp) | CAS Common Chemistry |
| Name | Selenious acid | CAS Common Chemistry |
| Selenous acid | CAS Common Chemistry | |
| Heavy Atom Count | 4 | RDKit |
| Hydrogen Bond Acceptors | 1 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 57.53 Ų | RDKit |
| LogP | -1.6136000000000001 | RDKit |
| Molar Refractivity | 10.878099999999998 | RDKit |
