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Sodium Dichromate
CAS: 10588-01-9 | H2Cr2Na2O7
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
10588-01-9
Molecular Formula:
H2Cr2Na2O7
Molecular Mass:
263.98 g/mol
Names and Synonyms:
Sodium Dichromate
Chromic acid (H2Cr2O7), sodium salt (1:2)
Dichromic acid (H2Cr2O7), disodium salt
Chromic acid (H2Cr2O7), disodium salt
Sodium dichromate(VI)
Sodium dichromate
Sodium dichromate (Na2(Cr2O7))
Disodium dichromate
Sodium chromate (Na2Cr2O7)
Disodium dichromate (Na2Cr2O7)
Disodium dichromium heptaoxide
Identifiers:
SMILES:
[Cr+].[Cr+].[Na].[Na].[OH-].[OH-].[O].[O].[O].[O].[O]
InChI:
InChI=1S/2Cr.2Na.2H2O.5O/h;;;;2*1H2;;;;;/q2*+1;;;;;;;;;/p-2
Key Properties
Melting Point
356.7 °C
CAS Common Chemistry
Density
2.52 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 | 263.98 g/mol | CAS Common Chemistry |
| 263.981 g/mol | RDKit | |
| 263.840605964 g/mol | RDKit | |
| Density | 2.52 g/cm³ | CAS Common Chemistry |
| 2.52 g/cm3 @ Temp: 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 |
| Molar Refractivity | 18.8121 | RDKit |
