Back to Search
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
Names and Synonyms:
Potassium Chromate
Chromic acid (H2CrO4), potassium salt (1:2)
Chromic acid (H2CrO4), dipotassium salt
Neutral potassium chromate
Potassium chromate(VI)
Potassium chromate (K2(CrO4))
Bipotassium chromate
Dipotassium chromate (K2CrO4)
Dipotassium chromate
Potassium chromate
Dipotassium monochromate
Dipotassium chromate(2-)
Identifiers:
SMILES:
[Cr+2].[K].[K].[OH-].[OH-].[O].[O]
InChI:
InChI=1S/Cr.2K.2H2O.2O/h;;;2*1H2;;/q+2;;;;;;/p-2
Key Properties
Melting Point
975 °C
CAS Common Chemistry
Density
2.73 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 | 196.20 g/mol | CAS Common Chemistry |
| 196.204 g/mol | RDKit | |
| 195.86322940400004 g/mol | RDKit | |
| 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 |
| Potassium 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 |
| Molar Refractivity | 16.7526 | RDKit |
