Potassium dichromate

CAS Registry Number®

7778-50-9
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CAS Name

Potassium dichromate

Molecular Formula

Cr2H2O7.2K

Cite this Page

Potassium dichromate.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?ref=7778-50-9 (retrieved 2021-12-06) (CAS RN: 7778-50-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    398 °C
  • Density (1)

    2.676 g/cm3 @ Temp: 25 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/2Cr.2K.2H2O.5O/h;;;;2*1H2;;;;;/q2*+1;;;;;;;;;/p-2

InChIKey

InChIKey=WFNKVMJUPPUFIO-UHFFFAOYSA-L

SMILES

O([Cr](O)(=O)=O)[Cr](O)(=O)=O.[K]

Canonical SMILES

[K].O=[Cr](=O)(O)O[Cr](=O)(=O)O

Other Names for this Substance

  • Chromic acid (H2Cr2O7), potassium salt (1:2)
  • Dichromic acid (H2Cr2O7), dipotassium salt
  • Chromic acid (H2Cr2O7), dipotassium salt
  • Potassium dichromate
  • Potassium bichromate