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Ammonium Chromate
CAS: 7788-98-9 | H8CrN2O4
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
7788-98-9
Molecular Formula:
H8CrN2O4
Molecular Mass:
152.07 g/mol
Names and Synonyms:
Ammonium Chromate
Chromic acid (H2CrO4), ammonium salt (1:2)
Chromic acid (H2CrO4), diammonium salt
Ammonium chromate(VI)
Ammonium chromate
Neutral ammonium chromate
Ammonium chromate ((NH4)2CrO4)
Diammonium chromate
Chromic acid ammonium salt
Diammonium chromate ((NH4)2CrO4)
Identifiers:
SMILES:
N.N.[Cr+2].[OH-].[OH-].[O].[O]
InChI:
InChI=1S/Cr.2H3N.2H2O.2O/h;2*1H3;2*1H2;;/q+2;;;;;;/p-2
Key Properties
Melting Point
185 °C (decomp)
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 | 152.07 g/mol | CAS Common Chemistry |
| 152.06999999999996 g/mol | RDKit | |
| 151.988914236 g/mol | RDKit | |
| Density | 1.87 g/cm³ | CAS Common Chemistry |
| 1.866 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Ammonium_chromate | CAS Common Chemistry |
| Canonical SMILES | O=[Cr](=O)(O)O.N | CAS Common Chemistry |
| InChI | InChI=1S/Cr.2H3N.2H2O.2O/h;2*1H3;2*1H2;;/q+2;;;;;;/p-2 | CAS Common Chemistry |
| InChI Key | InChIKey=FEIXNIOTSKFSAZ-UHFFFAOYSA-L | CAS Common Chemistry |
| Melting Point | 185 °C (decomp) | CAS Common Chemistry |
| Name | Ammonium chromate ((NH4)2CrO4) | CAS Common Chemistry |
| Ammonium chromate | CAS Common Chemistry | |
| Heavy Atom Count | 7 | RDKit |
| Hydrogen Bond Acceptors | 4 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 187.0 Ų | RDKit |
| LogP | -0.26970000000000033 | RDKit |
| Molar Refractivity | 15.2888 | RDKit |
