Molybdenum disulfide is ubiquitous in the environment and is the naturallyoccurring base mineral from which molybdenum trioxide is produced. Molybdenum disulfide 17335 also arises by the thermal treatment of virtually all molybdenum compounds with hydrogen sulfide. Molybdenum sds safety data sheet midwest tungsten service. Safety data sheet molybdenum disulfide acs material llc. Molybdenum disulfide mos2 is one of the most widely used solid lubricants applied in different ways on the surfaces under friction. This fact already initially indicates a high stability of this compound under ambientnatural conditions, including low solubility and low reactivity.
News molybdenum disulfide transistors could be the next leap in microelectronics february, 2017 by robin mitchell a team of researchers from stanford have created transistors from molybdenum disulphide using standard industrialtype production techniques. Molybdenum disulphide is hazardous to people and to environment. Material safety data sheet molybdenum disulfide msds section 1. Molybdenum disulfide an overview sciencedirect topics. Molybdenum disulfide is classified as a transition metal dichalcogenide tmd which includes the disulfides, diselenides and ditellurides of ti, zr, hf, v, nb, ta, cr, mo, and w. Uses lubricants in greases, oil dispersions, resin bonded films, dry powders. Compared to graphite, another common dry lubricant, molybdenum disulfide has a lower coefficient of static friction, better overall lubricating qualities, and will not burn off due its high temperature.
Molybdenum disulfide properties include molecular weight of 160. Mos2 is relatively unreactive, being unaffected by dilute acids and oxygen. Acute inhalation of molybdenum concentrate dust or fume may produce irritation of the upper airways. High tensile strength and chemicalthermal stability of graphene can be combined with unique optoelectronic and photovoltaic nature of mos 2 for improved performance of the. Uses advised against food, drug, pesticide or biocidal product use. Material safety data sheet lts research laboratories, inc. Molybdenum disulfide transistors could be the next leap in.
Hazards identification none expected in industrial use. Molybdenum does not occur naturally as a free metal on earth. Generally, molybdenum disulfide has very good chemical stability and thermal stability. Mos2 can be designated as chemically inert under normal conditions. Metric comments, suggestions, or questions on this document should be addressed to afpaptpt, 2430 c. Mos 2 has been used in bulk for many years as a solid state lubricant, this is due to its low coefficient of friction in addition to its high chemical and thermal stability. There are many methods of applying molybdenum disulfide to a surface, from high tech techniques such as vacuum sputtering, to simply dropping. Aug 14, 2015 working at the molecular foundry, berkeley lab researchers used their campanile nanooptical probe to make some surprising discoveries about molybdenum disulfide, a member of the transition metal dichalcogenides tmdcs semiconductor family whose optoelectronic properties hold great promise for future nanoelectronic and photonic devices. The compound is classified as a transition metal dichalcogenide. Molybdenum sulfide or molybdenum disulfide is a moderately water and acid soluble molybdenum source for uses compatible with sulfates. Molybdenum disulfide the ideal solid lubricant and anti. Search results for molybdenum disulfide at sigmaaldrich.
Chemical product and company identification product name. Molybdenum disulfide 17335 15 the specific identity andor exact percentage of composition has been withheld as a trade secret. Surprising discoveries about 2d molybdenum disulfide. This form was only discovered in 2011 and was originally produced, like graphene, by using adhesive tape to peel off a single layer though more recently by growing sheets on a silicon wafer. Use this grease where specified in the service manual to use grease m. Safety data sheet molybdenum disulfide acs material llc molecular weight. Details of the supplier of the safety data sheet emergency telephone number.
Molybdenum disulfide is a few steps ahead because researchers have worked with it more than, say, tungsten selenide, and know how to grow the material over large areas. The lamellae tend to align and adhere to contact surfaces, particularly under conditions of sliding and pressure, as shown in fig 2. Molybdenum disulfide is the inorganic compound with the formula mos 2. This burnishing in of the molybdenum disulfide gives it. Molybdenum disulfide, in its various forms is of great interest in several catalytic reactions. Molybdenum disulfide is one of the slipperiest substances on earth and is commonly used a dry lubricant where oils and greases are not ideal. Molybdenum sulfide 15 17335 2152639 zinc dialkyl dithiophosphate 14 68649423 2720283 contains less than 3 % dmso extract as measured by ip 346. Molybdenumdisulfide 2d transistors go ballistic stanford ee. Ac215785000 casno 17335 synonyms molybdenum disulfide recommended use laboratory chemicals. Molybdenite is the principal ore from which molybdenum metal is extracted. Hazards identification potential acute health effects.
Molybdenum disulfide mos2 nanoparticles properties. Show this safety data sheet to the doctor in attendance. If inhaled if breathed in, move person into fresh air. Molybdenum total services 540 executive drive, willowbrook, il 60527 toll free 800 6260226 fax 630 3253571. Exhibits lowfriction properties that protect against wear and galling in difficult operating conditions.
Contact with strong acids will generate flammable and highly toxic hydrogen sulphide gas. Molybdenum disulfide, crystalline, synthetic, nonfibrous components concentration cas no. Sulfate compounds are salts or esters of sulfuric acid formed by replacing one or both of the hydrogens with a metal. As with any similar product, if swallowed in large quantities, this product could be harmful or fatal. There are no ingredients present which, within the current knowledge of the supplier and in the concentrations applicable, are classified to health or the environment and hence require reporting in this section. Molybdenite ore is processed by flotation to give relatively pure molybdenum disulfide 17335, the main contaminant being carbon. Mos 2 hazardous ingredients chemical characterization.
This article discusses the properties and applications of molybdenum disulfide nanoparticles. In this work, aisi 316 austenitic stainless steel was coated. It is the principal ore from which molybdenum metal is extracted. Hazard identificationassessment of molybdenum disulfide mos2. Molybdenum trioxide, in turn, transforms to the nontoxic molybdate species under normal enivironmental conditions. Strong molybdenum disulfide grease 10oz strong p extremepressure grease lubricates high loads is noncorrosive and waterresistant. Molybdenum disulfide mos 2 is a member of the tmds, which have a thicknessdependent bandgap, which is in a suitable range for applications in semiconductor devices. Pdf 2d material molybdenum disulfide analyzed by xps.
Molybdenum disulfide mos 2 17335 2152639 not classified in clp 99% note remainder is. Molybdenum disulfide material safety data sheet natural molybdenite molykote molybdenumiv sulfide molybdenum sulfide molybdenite disulfanylidenemolybdenum formula mos 2 structure description leadgray, lustrous powder. These compounds exist in various crystalline forms but only the mo and w compounds form. Request safety data sheet sds and refer to points 4, 5, 6, 8, 10, 14, 15. The toxicological properties of this material have not been fully investigated. Molybdenum disulfide mos 2 is the most famous of the single layer transition metal dichalcogenide tmd family. The importance of mos 2 as a catalyst is not only based on its relatively high activity, which for a given process could not be as large as the other metallic derivatives, but also on its resistance to poisoning with sulfur 80, 101, 102, 103. Molybdenum disulfide is an ideal antigalling compound because of its combination of high compressive strength and its adherence ability to fill or level to the sliding surfaces. Molybdenum disulfide 2d transistors go ballistic march 2017 at the ieee international electron devices meeting, researchers presented work they say shows that molybdenum disulfide not only makes for superlative single transistors, but can be made into complex circuits using realistic manufacturing methods. Molybdenum disulfide or moly is an inorganic compound composed of molybdenum and sulfur. It is a silvery black solid that occurs as the mineral molybdenite, the principal ore for molybdenum. Molybdenum disulfide is used as a powder in this method. Molybdenum sulfide, molybdenum disulfide, molybdenum iv sulfide.
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