Layer-structured molybdenum disulfide is a core inorganic functional material dominated by lubrication & new energy fields. Its layered van der Waals structure delivers ultra-low friction coefficient, widely added into grease, engine oil, metal powder metallurgy and solid dry-film coating as high-temperature anti-wear lubricant for bearing, gear, aerospace mechanical parts working under extreme high-load & high-temperature environment. Nano-grade MoS? serves as key cathode modifier and electrolyte additive for lithium-ion battery & sodium-ion battery to boost cycle stability. In semiconductor & advanced material R&D, single-layer exfoliated MoS? is typical two-dimensional semiconductor raw material for optoelectronic chip, photodetector and catalyst carrier for hydrodesulfurization in petrochemical refining. It is also applied in rubber, plastic filling to improve wear resistance, massively supplied to lubricant factories, new energy material manufacturers and inorganic fine chemical labs globally.

GHS Classification: No severe hazard, Signal Word: Warning only for dust irritation; H315, H319, H335 for fine inhalable dust. Low acute toxicity, non-toxic via regular skin contact; coarse powder barely triggers irritation. Inhalation of fine airborne dust irritates nasal tract and throat leading to cough and discomfort, so all crushing & weighing operations need ventilated workspace with dust-proof mask and nitrile gloves. Eye splash from fine powder needs continuous 15min running water flushing to remove residual particles. Avoid mixing with strong oxidant like potassium permanganate or concentrated nitric acid to prevent exothermic oxidation reaction. Store separately from oxidizers and acidic chemicals. Waste powder belongs to common inorganic solid waste, disposed following local industrial waste regulation without dangerous goods transport restriction under UN standard.