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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 Weight:
128.97299999999998 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)
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 |
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200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
Shift (ppm) | DEPT | Assignment |
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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
Molecular
Property | Value | Source |
---|---|---|
Molecular Weight | 128.97299999999998 g/mol | RDKit |
Exact
Property | Value | Source |
---|---|---|
Exact Molecular Weight | 129.916915224 g/mol | RDKit |
Heavy
Property | Value | Source |
---|---|---|
Heavy Atom Count | 4 count | RDKit |
Hydrogen
Property | Value | Source |
---|---|---|
Hydrogen Bond Acceptors | 1 count | RDKit |
Hydrogen Bond Donors | 2 count | RDKit |
Rotatable
Property | Value | Source |
---|---|---|
Rotatable Bonds | 0 count | RDKit |
Aromatic
Property | Value | Source |
---|---|---|
Aromatic Ring Count | 0 count | RDKit |
Topological
Property | Value | Source |
---|---|---|
Topological Polar Surface Area | 57.53 Ų | RDKit |
Physical Properties
Property | Value | Source |
---|---|---|
LogP | -1.6136000000000001 | RDKit |
molecular_mass | 128.97 g/mol | Legacy Database |
density | 3.00 g/cm³ | Legacy Database |
wikipedia_url | https://en.wikipedia.org/wiki/Selenous_acid None | Legacy Database |
cas-canonical-smile | O=[Se](O)O None | Legacy Database |
cas-density | 3.004 g/cm3 @ Temp: 15 °C None | Legacy Database |
cas-inchi | InChI=1S/H2O3Se/c1-4(2)3/h(H2,1,2,3) None | Legacy Database |
cas-inchi-key | InChIKey=MCAHWIHFGHIESP-UHFFFAOYSA-N None | Legacy Database |
cas-melting-point | 70 °C (decomp) None | Legacy Database |
cas-name | Selenious acid None | Legacy Database |
wikipedia-name | Selenous acid None | Legacy Database |
Molar
Property | Value | Source |
---|---|---|
Molar Refractivity | 10.878099999999998 | RDKit |