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| CAS No.: | 29689-14-3 |
|---|---|
| Name: | chromium carbonate |
| Molecular Structure: | |
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| Formula: | CH2 O3 . x Cr |
| Molecular Weight: | 426.03 |
| Synonyms: | Carbonicacid, chromium salt (8CI,9CI); Chromium carbonate (6CI) |
| EINECS: | 249-781-1 |
| Solubility: | insoluble H2O; soluble mineral acids [MER06] |
| Hazard Symbols: |
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| Safety: | When heated to decomposition it emits toxic fumes of Cr. |
| PSA: | 189.57000 |
| LogP: | -7.34100 |
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Chemistry
Molecular Structure of Chromium carbonate (CAS NO. 29689-14-3):
EINECS: 249-781-1
IUPAC Name: Chromium(3+) tricarbonate
Molecular Formula: C3Cr2O9
Molecular Weight: 284.018900 g/mol
H-Bond Donor: 0
H-Bond Acceptor: 9
Canonical SMILES: C(=O)([O-])[O-].C(=O)([O-])[O-].C(=O)([O-])[O-].[Cr+3].[Cr+3]
InChI: InChI=1S/3CH2O3.2Cr/c3*2-1(3)4;;/h3*(H2,2,3,4);;/q;;;2*+3/p-6
InChIKey: XHFVDZNDZCNTLT-UHFFFAOYSA-H
Flash Point: 169.8 °C
Enthalpy of Vaporization: 63.37 kJ/mol
Boiling Point: 333.6 °C at 760 mmHg
Vapour Pressure: 2.58E-05 mmHg at 25 °C
Relative Density of Chromium carbonate (CAS NO. 29689-14-3): 2.75
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
When heated to decomposition it emits toxic fumes of Cr.
Specification
Chromium carbonate with cas registry number of 29689-14-3 is also known as Chromic carbonate ; Basic chromium carbonate ; Chromium carbonate (6CI) ; Carbonic acid, chromium salt ; Carbonic acid, chromium salt (1:?) . It is a blue-green amorphous powder, soluble in mineral acid, slightly soluble in water, almost insoluble in water, often used for preparation of other chromium salts.