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Molecule
Potassium Chromate
CAS: 7789-00-6 · H2CrK2O4
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 7789-00-6
- Molecular Formula
- H2CrK2O4
- Molecular Mass
- 196.20 g/mol
Identifiers
CAS Registry Number
7789-00-6
SMILES
[Cr+2].[K].[K].[OH-].[OH-].[O].[O]
InChI Key
LQUDLQWUEOVZBW-UHFFFAOYSA-L
InChI
InChI=1S/Cr.2K.2H2O.2O/h;;;2*1H2;;/q+2;;;;;;/p-2
Names and Synonyms
- Potassium Chromate Common Name
- Chromic acid (H2CrO4), potassium salt (1:2) Synonym
- Chromic acid (H2CrO4), dipotassium salt Synonym
- Neutral potassium chromate Synonym
- Potassium chromate(VI) Synonym
- Potassium chromate (K2(CrO4)) Synonym
- Bipotassium chromate Synonym
- Dipotassium chromate (K2CrO4) Synonym
- Dipotassium chromate Synonym
- Potassium chromate Synonym
- Dipotassium monochromate Synonym
- Dipotassium chromate(2-) Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 196.20 g/mol | CAS Common Chemistry |
| 196.204 g/mol | RDKit | |
| 206.284 g/mol | chempirical lib | |
| Density | 2.73 g/cm³ | CAS Common Chemistry |
| 2.73 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Potassium_chromate | CAS Common Chemistry |
| Canonical SMILES | [K].O=[Cr](=O)(O)O | CAS Common Chemistry |
| InChI | InChI=1S/Cr.2K.2H2O.2O/h;;;2*1H2;;/q+2;;;;;;/p-2 | CAS Common Chemistry |
| InChI Key | InChIKey=LQUDLQWUEOVZBW-UHFFFAOYSA-L | CAS Common Chemistry |
| Melting Point | 975 °C | CAS Common Chemistry |
| Name | Dipotassium chromate (K2CrO4) | 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 | 195.86322940400004 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
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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.
External Resources
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Quick conversion
MW = 196.20 g/mol; density = 2.730 g/mL. Edit any field — others recompute live.
