50 lbs Bag – Manganese Dioxide (Black) Powder

Description

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