Britannica AI Icon

molybdenum disulfide

chemical compound
Also known as: molysulfide

Quick Summary

Molybdenum disulfide (MoS2) is a chemical compound primarily known for its use as a lubricant in grease. It is the most important mineral source of molybdenum, a refractory metal used to strengthen steel and other alloys at high temperatures.123

Molybdenum disulfide has a layered structure, similar to graphite, which contributes to its lubricating properties. It is found in nature as the mineral molybdenite. Molybdenum itself is a relatively rare element, discovered in the late 18th century and named from the Greek word for lead.23

Summary created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

Ask Britannica AI about this topic

Britannica doesn't have a full article on this topic, so we've curated a list of our relevant coverage.