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Disodium Hydrogen Arsenate
CAS: 7778-43-0 | H3AsNa2O4
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
7778-43-0
Molecular Formula:
H3AsNa2O4
Molecular Mass:
187.92 g/mol
Names and Synonyms:
Disodium Hydrogen Arsenate
Arsenic acid (H3AsO4), sodium salt (1:2)
Arsenic acid (H3AsO4), disodium salt
Sodium biarsenate
Disodium arsenate
Disodium hydrogen arsenate
Sodium arsenate (Na2HAsO4)
Disodium hydrogen orthoarsenate
Disodium monohydrogen arsenate
Hydrogen sodium arsenate (HNa2AsO4)
Sodium arsenate dibasic
Identifiers:
SMILES:
O=[As](O)(O)O.[Na].[Na]
InChI:
InChI=1S/AsH3O4.2Na/c2-1(3,4)5;;/h(H3,2,3,4,5);;
Key Properties
Melting Point
57 °C
CAS Common Chemistry
Density
1.87 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 | 187.92 g/mol | CAS Common Chemistry |
| 187.922 g/mol | RDKit | |
| 187.90426863599998 g/mol | RDKit | |
| Density | 1.87 g/cm³ | CAS Common Chemistry |
| 1.87 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Disodium_hydrogen_arsenate | CAS Common Chemistry |
| Canonical SMILES | [Na].O=[As](O)(O)O | CAS Common Chemistry |
| InChI | InChI=1S/AsH3O4.2Na/c2-1(3,4)5;;/h(H3,2,3,4,5);; | CAS Common Chemistry |
| InChI Key | InChIKey=NRYOMRCWNKNXOX-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 57 °C | CAS Common Chemistry |
| Name | Sodium arsenate (Na2HAsO4) | CAS Common Chemistry |
| Disodium hydrogen arsenate | CAS Common Chemistry | |
| Heavy Atom Count | 7 | RDKit |
| Hydrogen Bond Acceptors | 1 | RDKit |
| Hydrogen Bond Donors | 3 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 77.76 Ų | RDKit |
| LogP | -2.9322000000000004 | RDKit |
| Molar Refractivity | 24.604899999999997 | RDKit |
