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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 24503Generated: October 23, 2026

Dichromate ion

BICHROMATE · dichromate(2-) · dichromate anion

https://huagongshe.com/en/chemical/24503

Dichromate ion molecular structure

Identifiers & Physical Properties

CAS No.13907-47-6
Molecular formulaCr2O7-2
Average molar mass215.99 g/mol
Monoisotopic mass215.8465145 g/mol
SMILES[O]=[Cr](=[O])([O-])[O][Cr](=[O])(=[O])[O-]
InChIKeySOCTUWSJJQCPFX-UHFFFAOYSA-N
PubChem CID24503
ChEBICHEBI:33141
DTXSIDDTXSID5074004

Chemical & Physical Properties

Topological polar surface area124
Hydrogen bond donors0
Hydrogen bond acceptors7
Rotatable bonds0
Heavy atoms9
Formal charge-2
Complexity194
FDA UNII9LKY4BFN2V
EPA Substance Registry SystemDichromate (13907-47-6)