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Hypophosphorous Acid
CAS: 6303-21-5 | H3O2P
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
6303-21-5
Molecular Formula:
H3O2P
Molecular Weight:
65.996 g/mol
Names and Synonyms:
Hypophosphorous Acid
Common Name
Dihydroxyphosphine
Synonym
Hydroxyphosphine oxide
Synonym
Phosphonous acid
Synonym
Hypophosphorous acid
Synonym
Phosphine oxide, hydroxy-
Synonym
Phosphinic acid
Synonym
Identifiers:
SMILES:
O=[PH2]O
InChI:
InChI=1S/H3O2P/c1-3-2/h3H2,(H,1,2)
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
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2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
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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 | 65.996 g/mol | RDKit |
Exact
| Property | Value | Source |
|---|---|---|
| Exact Molecular Weight | 65.987065966 g/mol | RDKit |
Heavy
| Property | Value | Source |
|---|---|---|
| Heavy Atom Count | 3 count | RDKit |
Hydrogen
| Property | Value | Source |
|---|---|---|
| Hydrogen Bond Acceptors | 1 count | RDKit |
| Hydrogen Bond Donors | 1 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 | 37.3 Ų | RDKit |
Physical Properties
| Property | Value | Source |
|---|---|---|
| LogP | -0.35000000000000003 | RDKit |
| molecular_mass | 66.00 g/mol | Legacy Database |
| density | 1.48 g/cm³ | Legacy Database |
| wikipedia_url | https://en.wikipedia.org/wiki/Hypophosphorous_acid None | Legacy Database |
| cas-canonical-smile | O=[PH2]O None | Legacy Database |
| cas-density | 1.479 g/cm3 @ Temp: 20 °C None | Legacy Database |
| cas-inchi | InChI=1S/H3O2P/c1-3-2/h3H2,(H,1,2) None | Legacy Database |
| cas-inchi-key | InChIKey=ACVYVLVWPXVTIT-UHFFFAOYSA-N None | Legacy Database |
| cas-melting-point | 23-25 °C None | Legacy Database |
| cas-name | Phosphinic acid None | Legacy Database |
| wikipedia-name | Hypophosphorous acid None | Legacy Database |
Molar
| Property | Value | Source |
|---|---|---|
| Molar Refractivity | 12.615299999999998 | RDKit |