50 lbs Bag - Manganese Dioxide (Black) Powder

Manganese (Black) Dioxide Powder

Formula: MnO2

Other common names include Manganese Black, Pyrolusite

Sold by the Each (50 lbs) Bag

For use as an assaying flux ingredient for melting or smelting gold and other precious metals.

Chemical Properties

Mn= 55.8% , MnO2 = 84.41% and Fe= 1.6%

Specifications

Molecular Weight (g/mol.): 86.9368

Appearance: black solid

Density (g/cm3): 5.026

Melting Point (°C): 535

Flash Point (°C): 535

Surface Areas Available (m2/g): from 2 to 260

Odor  odorless

RTECS Number: OP0350000

Solubility In Water: insoluble

Specific Gravity: 5.0