Merck
All Photos(3)

216615

Sigma-Aldrich

Potassium chromate

ACS reagent, ≥99.0%

Linear Formula:
K2CrO4
CAS Number:
Molecular Weight:
194.19
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NB.24

Quality Level

grade

ACS reagent

vapor density

6.7 (vs air)

assay

≥99.0%

form

crystals

impurities

≤0.005% insolubles

pH

8.6-9.8 (25 °C, 5%)

mp

971 °C (lit.)

anion traces

chloride (Cl-): ≤0.005%
sulfate (SO42-): ≤0.03%

cation traces

Ca: ≤0.005%
Na: ≤0.02%

SMILES string

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

InChI

1S/Cr.2K.4O/q;2*+1;;;2*-1

InChI key

XMXNVYPJWBTAHN-UHFFFAOYSA-N

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Related Categories

Signal Word

Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 1B - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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Quotes and Ordering

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The Golgi-Cox stain is an established method for characterising neuron cell morphology. The method highlights neurite processes of stained cells allowing the complexity of dendritic branching to be measured. Conventional rapid Golgi and Golgi-Cox methods all require fresh impregnation in
Redetermination of the structures of potassium sulphate and potassium chromate: the effect of electrostatic crystal forces upon observed bond lengths.
McGinnety JA.
Acta Crystallographica Section B, Structural Science, 28(9), 2845-2852 (1972)
Eagleson M.
Concise Encyclopedia Chemistry, 887-887 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 881-881 (1994)
Comparative Study of Factors Influencing the Action of Corrosion Inhmitors for Mild Steel in Neutral Solution: II. Potassium Chromate.
Mercer AD and Jenkins IR.
British Corrosion Journal, 3(3), 130-135 (1968)

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