Merck
All Photos(1)

1.05957

Supelco

Manganese(IV) oxide

powder EMPLURA®

Synonym(s):
Manganese(IV) oxide, Manganese dioxide, Pyrolusite
Empirical Formula (Hill Notation):
MnO2
CAS Number:
Molecular Weight:
86.94
MDL number:
EC Index Number:
215-202-6

Quality Level

product line

Emplura®

assay

≥89.0% (manganometric)

form

powder

potency

>3478 mg/kg LD50, oral (Rat)

impurities

≤5% Substances insoluble in hydrochloric acid

loss

≤0.3% loss on drying, 105°C

solubility

insoluble <0.001 g/L

density

5.21 g/cm3 at 21 °C

bulk density

600‑800 kg/m3

anion traces

sulfate (SO42-): ≤0.1%

cation traces

Ba: ≤1.0%
Ca: ≤1.0%
Fe: ≤1.5%

storage temp.

2-30°C

InChI

1S/Mn.2O

InChI key

NUJOXMJBOLGQSY-UHFFFAOYSA-N

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Analysis Note

Assay (manganometric): ≥ 89.0 %
Substances insoluble in hydrochloric acid: ≤ 5.0 %
Sulfate (SO₄): ≤ 0.1 %
Ba (Barium): ≤ 1.0 %
Ca (Calcium): ≤ 1.0 %
Fe (Iron): ≤ 1.5 %
Loss on Drying (105°C): ≤ 0.3 %

Legal Information

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation markHealth hazard

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - STOT RE 2 Inhalation

Target Organs

Brain

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

does not flash

Flash Point(C)

does not flash

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