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Merck
CN

217654

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
NACRES:
NA.23
PubChem Substance ID:
24853025
UNSPSC Code:
12352302
EC Number:
233-665-2
MDL number:
MFCD00043089
Form:
solid

Key Documents

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InChI key

XKYFHUXZPRFUTH-UHFFFAOYSA-N

InChI

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

SMILES string

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

form

solid

reaction suitability

core: potassium
reagent type: catalyst

concentration

≥51.2% (with KMnO4, titration)

mp

190 °C (lit.)

Quality Level

100

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Related Categories

Application

A selective oxidizing agent.

pictograms

Flame over circleExclamation mark
GHS03,GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

5.1B - Oxidizing hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
MKCX2804
MKCV8400
MKCW6355
MKCT8735
MKCP5113

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Aldrichimica Acta, 14, 40-40 (1981)
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