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Molecule
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
Identifiers
CAS Registry Number
7788-98-9
SMILES
N.N.[Cr+2].[OH-].[OH-].[O].[O]
InChI Key
FEIXNIOTSKFSAZ-UHFFFAOYSA-L
InChI
InChI=1S/Cr.2H3N.2H2O.2O/h;2*1H3;2*1H2;;/q+2;;;;;;/p-2
Names and Synonyms
- Ammonium Chromate Common Name
- Chromic acid (H2CrO4), ammonium salt (1:2) Synonym
- Chromic acid (H2CrO4), diammonium salt Synonym
- Ammonium chromate(VI) Synonym
- Ammonium chromate Synonym
- Neutral ammonium chromate Synonym
- Ammonium chromate ((NH4)2CrO4) Synonym
- Diammonium chromate Synonym
- Chromic acid ammonium salt Synonym
- Diammonium chromate ((NH4)2CrO4) Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 152.07 g/mol | CAS Common Chemistry |
| 152.06999999999996 g/mol | RDKit | |
| 160.134 g/mol | chempirical lib | |
| 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 |
| 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 |
| -0.2697 | RDKit | |
| Molar Refractivity | 15.2888 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 151.988914236 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
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200 ppm
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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 = 152.07 g/mol; density = 1.870 g/mL. Edit any field — others recompute live.
