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Molecule
Sodium Dichromate
CAS: 10588-01-9 · H2Cr2Na2O7
2D Structure
3D Structure
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Basic Information
- CAS Registry Number
- 10588-01-9
- Molecular Formula
- H2Cr2Na2O7
- Molecular Mass
- 263.98 g/mol
Identifiers
CAS Registry Number
10588-01-9
SMILES
[Cr+].[Cr+].[Na].[Na].[OH-].[OH-].[O].[O].[O].[O].[O]
InChI Key
GPPPWFFDAACWJN-UHFFFAOYSA-L
InChI
InChI=1S/2Cr.2Na.2H2O.5O/h;;;;2*1H2;;;;;/q2*+1;;;;;;;;;/p-2
Names and Synonyms
- Sodium Dichromate Synonym
- Chromic acid (H2Cr2O7), sodium salt (1:2) Synonym
- Dichromic acid (H2Cr2O7), disodium salt Synonym
- Chromic acid (H2Cr2O7), disodium salt Synonym
- Sodium dichromate(VI) Synonym
- Sodium dichromate Synonym
- Sodium dichromate (Na2(Cr2O7)) Synonym
- Disodium dichromate Synonym
- Sodium chromate (Na2Cr2O7) Synonym
- Disodium dichromate (Na2Cr2O7) Synonym
- Disodium dichromium heptaoxide Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 263.98 g/mol | CAS Common Chemistry |
| 263.981 g/mol | RDKit | |
| 282.125 g/mol | chempirical lib | |
| Density | 2.52 g/cm³ | CAS Common Chemistry |
| 2.52 g/cm3 @ 13 °C | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Sodium_dichromate | CAS Common Chemistry |
| Canonical SMILES | [Na].O=[Cr](=O)(O)O[Cr](=O)(=O)O | CAS Common Chemistry |
| InChI | InChI=1S/2Cr.2Na.2H2O.5O/h;;;;2*1H2;;;;;/q2*+1;;;;;;;;;/p-2 | CAS Common Chemistry |
| InChI Key | InChIKey=GPPPWFFDAACWJN-UHFFFAOYSA-L | CAS Common Chemistry |
| Melting Point | 356.7 °C | CAS Common Chemistry |
| Name | Sodium dichromate | CAS Common Chemistry |
| Heavy Atom Count | 11 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 202.5 Ų | RDKit |
| LogP | -1.7142000000000002 | RDKit |
| -1.7142 | RDKit | |
| Molar Refractivity | 18.8121 cm³/mol | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Ring Count | 0 | RDKit |
| Exact Mass | 263.840605964 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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1
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| Shift (ppm) | Multiplicity | Integration | Assignment |
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200 ppm
180
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20
0 ppm
| 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 = 263.98 g/mol; density = 2.520 g/mL. Edit any field — others recompute live.
