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Molecule
Sodium Chromate
CAS: 7775-11-3 · H2CrNa2O4
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 7775-11-3
- Molecular Formula
- H2CrNa2O4
- Molecular Mass
- 163.99 g/mol
Identifiers
CAS Registry Number
7775-11-3
SMILES
[Cr+2].[Na].[Na].[OH-].[OH-].[O].[O]
InChI Key
LGPNQOUWASOJQE-UHFFFAOYSA-L
InChI
InChI=1S/Cr.2Na.2H2O.2O/h;;;2*1H2;;/q+2;;;;;;/p-2
Names and Synonyms
- Sodium Chromate Common Name
- Chromic acid (H2CrO4), sodium salt (1:2) Synonym
- Chromic acid (H2CrO4), disodium salt Synonym
- Disodium chromate Synonym
- Sodium chromate Synonym
- Sodium chromate (Na2(CrO4)) Synonym
- Chromium disodium oxide Synonym
- Chromium sodium oxide (CrNa2O4) Synonym
- Disodium chromate (Na2CrO4) Synonym
- Sodium chromium oxide (Na2CrO4) Synonym
- Sodium chromate (VI) Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 163.99 g/mol | CAS Common Chemistry |
| 163.988 g/mol | RDKit | |
| 174.068 g/mol | chempirical lib | |
| Density | 2.72 g/cm³ | CAS Common Chemistry |
| 2.72 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Sodium_chromate | CAS Common Chemistry |
| Canonical SMILES | [Na].O=[Cr](=O)(O)O | CAS Common Chemistry |
| InChI | InChI=1S/Cr.2Na.2H2O.2O/h;;;2*1H2;;/q+2;;;;;;/p-2 | CAS Common Chemistry |
| InChI Key | InChIKey=LGPNQOUWASOJQE-UHFFFAOYSA-L | CAS Common Chemistry |
| Melting Point | 792 °C | CAS Common Chemistry |
| Name | Disodium chromate | CAS Common Chemistry |
| Heavy Atom Count | 7 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 117.0 Ų | RDKit |
| LogP | -1.3552999999999997 | RDKit |
| -1.3553 | RDKit | |
| Molar Refractivity | 16.7526 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 163.91535460400002 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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| Shift (ppm) | Multiplicity | Integration | Assignment |
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200 ppm
180
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| 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.
External Resources
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MW = 163.99 g/mol; density = 2.720 g/mL. Edit any field — others recompute live.
