Potassium dichromate

K2Cr2O7CAS 7778-50-9294.18 g/mol

Open in Covalent MOL file
O−CrOOOCrOOO−K+K+

Properties

Molecular formula
K2Cr2O7
Molar mass
294.18 g/mol
Exact mass
293.7728 Da
Density
2.676 g/mL (at 25 °C)
Melting point
398 °C
logP
-1.71Crippen estimate
Polar surface area
202.5 Ų
H-bond donors / acceptors
0 / 2
Rotatable bonds
0

Hazards

No GHS classification is on file for this compound. That is not evidence that it is harmless.

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Identifiers

CAS number
7778-50-9
SMILES
[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]
InChIKey
KMUONIBRACKNSN-UHFFFAOYSA-N
InChI
InChI=1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1

Weigh it out

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Names and synonyms

15 names · show all
  • Chromic acid (H2Cr2O7), potassium salt (1:2)
  • Dichromic acid (H2Cr2O7), dipotassium salt
  • Chromic acid (H2Cr2O7), dipotassium salt
  • Potassium bichromate
  • Potassium dichromate (K2(Cr2O7))
  • Dichromic acid dipotassium salt
  • Dipotassium dichromate
  • Dipotassium dichromate (K2Cr2O7)
  • Potassium dichromate(VI)
  • Dipotassium bichromate
  • Dipotassium bichromate (K2Cr2O7)
  • Chromium potassium oxide (K2Cr2O7)
  • SRM 935a
  • Dipotassium dichromium heptaoxide
  • C 501

Work with Potassium dichromate

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Sodium dichromate10588-01-967 % similar Barium dichromate13477-01-567 % similar Cesium dichromate13530-67-167 % similar Calcium dichromate14307-33-667 % similar Silver dichromate7784-02-367 % similar Potassium chromate7789-00-642 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Elsewhere

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