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
Reported in EPA TSCA Inventory.
When heated to decomposition it emits toxic fumes of Cr.
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.
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