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217654

Sigma-Aldrich

Potassium manganate

Synonym(s):

Cryptomelane, Dipotassium dioxido(dioxo)manganese, Potassium manganese oxide

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About This Item

Empirical Formula (Hill Notation):
K2MnO4
CAS Number:
10294-64-1
Molecular Weight:
197.13
EC Number:
233-665-2
MDL number:
MFCD00043089
UNSPSC Code:
12352302
PubChem Substance ID:
24853025
NACRES:
NA.23

form

solid

reaction suitability

reagent type: catalyst
core: manganese

concentration

≥51.2% (with KMnO4, titration)

mp

190 °C (lit.)

SMILES string

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

InChI

1S/2K.Mn.4O/q2*+1;;;;2*-1

InChI key

XKYFHUXZPRFUTH-UHFFFAOYSA-N

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Application

A selective oxidizing agent.

Pictograms

Flame over circleExclamation mark
GHS03,GHS07

Signal Word

Warning

Hazard Statements

H272,H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Ox. Sol. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

5.1B - Oxidizing hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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