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Molybdenum disulfide The main component in molybdenite is powder, which has the chemical formula MoS2. It is a dark solid powder that has a metallic sheen.

What property does molybdenum disulfide have?

The powder of molybdenum is not soluble with water, dilute sulfuric acid or other acids. It’s also generally insoluble with alkalis, organic solvents, and most other acids. But it dissolves in aqua regia (a strong acid) and boiling concentrated sulfuric.
It is easy for copper to be corroded by molybdenum powder, due to its high active sulfur content. In many books and articles on lubricant add-ons, it is mentioned. When parts made of copper alloys and copper need to be greased, it’s not impossible to add copper corrosion inhibitors to the molybdenum diulfide lubricating product.

Where is molybdenum diulfide used?

Molybdenum diulfide is a very important solid lubricant. It is particularly suitable for use at high temperatures and under high pressure. It is diamagnetic and can be used to convert energy and as a semiconductor that shows P-type and N-type conductivity. Molybdenum Disulfide may also be used to dehydrate complex hydrocarbons.

Molybdenum Disulfide Powder is also called the “king of advanced liquid lubricants.” Molybdenum powder is solid molybdenum that has been purified chemically and changed in molecular structure. This product is black, has a metallic sheen, and is slick to the touch. It’s also insoluble in liquid water. The product’s advantages are its good dispersibility, and that it is non-sticking. Addition of this product to other greases can form a nonsticky colloidal phase, increasing the lubricity as well as the extreme pressure. It is suitable for mechanical conditions with high temperatures, high pressures, high speeds and high loads.

Its main purpose in friction materials is reducing friction at low temperature, increasing friction at higher temperatures and having a small loss during ignition. It is volatile in friction materials.

Molybdenum diulfide powder is also a potential new material to be used in the manufacture of transistors. In comparison with graphene (also a 2-dimensional material), molybdenum diulfide is a more efficient two-dimensional material. It has an energy gap of 1.8eV whereas graphene lacks an energy gap. The application of molybdenum diulfide in nano-transistors is therefore very broad.

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