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P6435

Potassium dichromate

Name: Potassium dichromate
Brand: SIGMA

ACS reagent, ≥99.0%

Synonym(s):

Potassium bichromate

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About This Item

Linear Formula:

K₂Cr₂O₇

CAS Number:

7778-50-9

Molecular Weight:

294.18

EC Number:

231-906-6

UNSPSC Code:

12352300

MDL number:

MFCD00011367

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Properties

grade

ACS reagent

assay

≥99.0%

impurities

≤0.005% Insoluble matter

loss

≤0.05% loss on drying

mp

398 °C (lit.)

anion traces

chloride (Cl^-): ≤0.001%, sulfate (SO₄^2-): ≤0.005%

cation traces

Ca: ≤0.003%, Na: ≤0.02%

SMILES string

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

InChI

1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1

InChI key

KMUONIBRACKNSN-UHFFFAOYSA-N

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