- MOLYBDENUM DIAZIDE TETRACHLORIDE
- Molybdenum disulfide
- Molybdenum disulfide
- Molybdenum fluoride, (OC-6-11)-
- Molybdenum hexacarbonyl
- Molybdenum nickel oxide
- Molybdenum oxide (MoO2)
- Molybdenum,oxo[1,3-propanediolato(2-)-O,O'][tris(3,5-dimethyl-1H-pyrazolato-N1)hydroborato(1-)-N2,N2',N2'']-,(OC-6-33)- (9CI)
- Molybdenum; oxygen(-2) anion; zinc(+2) cation
- Molybdenum Trioxide
- 1317-34-6Manganese(iii) oxide
- 1317-35-7Manganese oxide (Mn3O4)
- 1317-36-8Lead oxide
- 131-73-7Benzenamine,2,4,6-trinitro-N-(2,4,6-trinitrophenyl)-
- 1317-37-9Iron sulfide (FeS)
- 1317-38-0Copper oxide (CuO)
- 131738-73-3Benzene,1-bromo-3-(1-methylethoxy)-
- 1317-39-1Copper oxide (Cu2O)
- 131740-09-54H-1-Benzopyran-4-one,2-(2-chlorophenyl)-5,7-dihydroxy-8-[(3S,4R)-3-hydroxy-1-methyl-4-piperidinyl]-,hydrochloride (1:1)
- 1317-40-4Copper sulfide (CuS)
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| Name |
Molybdenum disulfide |
EINECS | 215-263-9 |
| CAS No. | 1317-33-5 | Density | 5.06 g/mL at 25 °C(lit.) |
| PSA | 64.18000 | LogP | 1.29640 |
| Solubility | N/A | Melting Point |
2375 °C |
| Formula | MoS2 | Boiling Point | 450oC, sublimes |
| Molecular Weight | 223.946 | Flash Point | N/A |
| Transport Information | N/A | Appearance | dark grey or black powder |
| Safety | 22-24/25 | Risk Codes | N/A |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
A Powder;C.I. Pigment Black 34;DAG 325;DMI 7;LM 13;LM 13 (lubricant);Liqui-Moly LM 2;M 5;M 5 (lubricant);MD 40 (lubricant);MVCh 1;Moly Powder B;Moly Powder C;Moly PowderPB;Moly Powder PS;Molybdenum bisulfide;Molybdenum sulphide (MoS2);Molycolloid CF 626;Molyform 15;Molyka R-L3;Molykote;Molykote Z;Molysulfide;Mopol M;Motimol;Nichimoly C;Pigment Black 34;Solvest390A;T-Powder; |
Molybdenum disulfide Chemical Properties
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IUPAC Name: Bis(sulfanylidene)molybdenum
Canonical SMILES: S=[Mo]=S
InChI: InChI=1S/Mo.2S
InChIKey: CWQXQMHSOZUFJS-UHFFFAOYSA-N
Molecular formula: MoS2
Molar mass: 160.07 g/mol
Density: 5.06 g/cm3
Appearance: black solid
Melting point: 1185 °C
EINECS: 215-263-9
Product Categories: Inorganics
Stability: Stable. Incompatible with oxidizing agents, acids.
Appearance: dark grey or black powder
Classification Code of Molybdenum disulfide (CAS NO.1317-33-5): Mutation data
Molybdenum disulfide Uses
Molybdenum disulfide is often a component of blends and composites where low friction is sought. A variety of oils and greases are used, because they retain their lubricity even in cases of almost complete oil loss, thus finding a use in critical applications such as aircraft engines. MoS2 is often used in two-stroke engines; e.g., motorcycle engines. It is also used in CV and universal joints. During the Vietnam War, the molybdenum disulfide product "Dri-Slide" was used to lubricate weapons, although it was supplied from private sources, not the military. MoS2-coatings allow bullets easier passage through the rifle barrel causing less barrel fouling allowing the barrel to retain ballistic accuracy much longer.
Molybdenum disulfide Production
Molybdenite ore is processed by flotation to give relatively pure Molybdenum disulfide(1317-33-5), the main contaminant being carbon. Molybdenum disulfide(1317-33-5) also arises by the thermal treatment of virtually all molybdenum compounds with hydrogen sulfide. Molybdenite is the principal ore from which molybdenum metal is extracted
Molybdenum disulfide Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LC50 | inhalation | > 2820mg/m3/4H (2820mg/m3) | LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES | National Technical Information Service. Vol. OTS0001265-2, |
| rat | LD | oral | > 2gm/kg (2000mg/kg) | SKIN AND APPENDAGES (SKIN): HAIR: OTHER | National Technical Information Service. Vol. OTS0001265-2, |
| rat | LD | skin | > 2gm/kg (2000mg/kg) | SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE" | National Technical Information Service. Vol. OTS0001265-2, |
Molybdenum disulfide Consensus Reports
Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.
Molybdenum disulfide Safety Profile
Mixtures with potassium nitrate are explosive. Violent reaction with H2O2. When heated to decomposition it emits toxic fumes of SOx and Mo.
Safety Statements: 22-24/25
S22:Do not breathe dust.
S24/25:Avoid contact with skin and eyes.
RTECS: QA4697000
Molybdenum disulfide Standards and Recommendations
OSHA PEL: TWA 5 mg(Mo)/m3
ACGIH TLV: TWA Soluble Compounds: TWA 0.5 mg(Mo)/m3 Confirmed Animal Carcinogen with Unknown Relevance to Humans
Molybdenum disulfide Specification
Molybdenum disulfide (CAS NO.1317-33-5), its Synonyms are Molybdenum disulfide ; Molybdenum sulfide (MoS2) ; Molybdenum(IV) sulfide ; Molycolloid CF 626 ; Molyke R ; Molykote ; Molykote Microsize Powder ; Molykote Z ; Molysulfide ; Mopol M ; Mopol S ; Motimol ; Natural molybdenite ; Nichimoly C ; Pigment Black 34 ; Solvest 390A ; Sumipowder PA ; T-Powder ; C.I. 77770 ; C.I. Pigment Black 34 ; DAG 206 ; DAG 325 ; DAG-V 657 .
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