chempirical

Potassium dichromate

Cr2H2K2O7CAS 7778-50-9296.20 g/mol

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Salt ratio not recorded. The source lists this compound as the parent acid and the metal without saying how many of each, so the formula and molar mass are for one of each. Check the formula on the supplier's label before you weigh it.
Cr+Cr+KKHO−HO−OOOOO

Properties

Molecular formula
Cr2H2K2O7
Molar mass
296.20 g/mol
Exact mass
295.7885 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

Identifiers

CAS number
7778-50-9
SMILES
[Cr+].[Cr+].[K].[K].[OH-].[OH-].[O].[O].[O].[O].[O]
InChIKey
WFNKVMJUPPUFIO-UHFFFAOYSA-L
InChI
InChI=1S/2Cr.2K.2H2O.5O/h;;;;2*1H2;;;;;/q2*+1;;;;;;;;;/p-2

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Type any one amount. The others follow from the molar mass and density.

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

Potassium manganate10294-64-160 % similar Sodium dichromate10588-01-960 % similar Barium dichromate13477-01-560 % similar Cesium dichromate13530-67-160 % similar Calcium dichromate14307-33-660 % similar Potassium permanganate7722-64-760 % similar Silver dichromate7784-02-360 % similar Potassium chromate7789-00-660 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Elsewhere

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