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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
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form

solid

Quality Level

100

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.[1]

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV8400
MKCW6355
MKCT8735
MKCP5113
MKCK8638

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