Dichromate ion

HCID 24503CAS 13907-47-6

Basic information

Standard SMILES
[O]=[Cr](=[O])([O-])[O][Cr](=[O])(=[O])[O-]
InChIKey
SOCTUWSJJQCPFX-UHFFFAOYSA-N
Molecular formula
Cr2O7-2
Average molar mass
215.99 g/mol
Monoisotopic mass
215.8465145

Overview

Dichromate(2-) is a divalent inorganic anion obtained by removal of both protons from dichromic acid. It is a chromium oxoanion and a divalent inorganic anion. It is a conjugate base of a hydrogen dichromate.

Names & identifiers

Preferred name
Dichromate ion
IUPAC
oxido-(oxido(dioxo)chromio)oxy-dioxochromium
English name
BICHROMATE
Molecular formula
Cr2O7(-2)
Molecular weight
215.99

Names & synonyms

DichromateBichromateDichromate ionDichromate ion(2-)Dichromate(2-)13907-47-6DichromatChromate (Cr2O72-)UNII-9LKY4BFN2V9LKY4BFN2VDichromate (Cr2O72-)Chromate (Cr2O7 2-)
Show more names
dichromate anion
Chromate (Cr2O7(2-))mu-oxo-hexaoxodichromate(VI)mu-oxo-hexaoxodichromate(2-)DTXSID5074004CHEBI:33141Cr2O7(2-)mu-oxido-bis(trioxidochromate)(2-)CHROMIC ACID (H2CR2O7), ION(2-)

Database identifiers

CAS
13907-47-6
PubChem CID
24503
DTXSID
DTXSID5074004
ChEBI
CHEBI:33141
UNII
9LKY4BFN2V
Nikkaji
J264.891A

Properties

Computed structural properties

Topological polar surface area
124 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
7
Rotatable bonds
0
Heavy atoms
9

Physicochemical properties

FDA UNII
9 LKY4BFN2V · 9LKY4BFN2V
EPA Substance Registry System
Dichromate (13907-47-6)

Chemistry & industry

Additional notes

DefinitionChEBI: A divalent inorganic anion obtained by removal of both protons from dichromic acid.

Related reactions

248 records

Linked notes

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