Molybdenum hexafluoride

Base Information

• Chemical Name: Molybdenum hexafluoride
• CAS No.: 7783-77-9
• Deprecated CAS: 26979-68-0,26979-69-1,26979-69-1
• Molecular Formula: F6Mo
• Molecular Weight: 209.93
• Hs Code.: 28261990
• European Community (EC) Number: 232-026-5
• UNII: ZLT5J123W3
• DSSTox Substance ID: DTXSID0064834
• Wikipedia: Molybdenum hexafluoride
• Wikidata: Q411592
• Mol file: 7783-77-9.mol

Synonyms:Molybdenum hexafluoride;7783-77-9;Hexafluoromolybdenum;molybdenum(VI) fluoride;Molybdenum fluoride (MoF6), (OC-6-11)-;Molybdenum fluoride (MoF6);MoF6;molybdenum(6+) fluoride;EINECS 232-026-5;UNII-ZLT5J123W3;ZLT5J123W3;Hexafluoromolybdenum #;F6Mo;F6-Mo;[MoF6];DTXSID0064834;CHEBI:30708;MOLYBDENUM HEXAFLUORIDE [MI];MFCD00014220;Molybdenum(VI) fluoride, >=99.9%;(OC-6-11)-Molybdenum fluoride (MoF6);LS-91577;FT-0628967;Q411592

Chemical Property of Molybdenum hexafluoride

Chemical Property:

• Appearance/Colour: liquid
• Melting Point: 17.5 °C
• Boiling Point: 37 °C at 760 mmHg
• Flash Point: 35 °C
• PSA: 0.00000
• Density: 2.3 g/cm³
• LogP: 2.52120
• Sensitive.: Hygroscopic
• Solubility.: Miscible with saturated hydrocarbons, chlorinated and fluorinate
• Water Solubility.: hydrolyzed in H2O; soluble anhydrous HF: 1.5 moles/1000g HF [MER06]
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 0
• Exact Mass: 211.895823
• Heavy Atom Count: 7
• Complexity: 62.7

Purity/Quality:

98%,99%, ^*data from raw suppliers

Molybdenum hexafluoride 99% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): C
• Hazard Codes: C
• Statements: 34
• Safety Statements: 26-36/37/39-45

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Metals -> Metals, Inorganic Compounds
• Canonical SMILES: F[Mo](F)(F)(F)(F)F
• Physical properties: White cubic crystals or colorless volatile liquid; hygroscopic; density 2.54 g/cm3; melts at 17.5°C; boils at 34°C; critical temperature 200°C; critical pressure 46.88 atm; critical volume 226 cm3/mol; reacts with water (hydrolyzed).
• Uses: Molybdenum(VI) fluoride plays an important role in the semiconductor industry and the nuclear industry. Separation of molybdenum isotopes.

Technology Process of Molybdenum hexafluoride

There total 37 articles about Molybdenum hexafluoride which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

molybdenum (7439-98-7) → molybdenum(VI) fluoride (7783-77-9) + molybdenum oxotetrafluoride (14459-59-7,52049-90-8)

Guidance literature:

With tetrafluoroethylene-vinylidene fluoride copolymer; In neat (no solvent); mechanical mixt. of metal and fluoropolymer (molar ratio 1:5-6) prepd. by hot pressing on press with heating plates; heated to 423 K; load of 20MPa was applied for 5 min; cooled to 353 K; load was removed; mixt. was withdrawn or heated to 673 K; MS; TG; DSC;

DOI:10.1134/S002016850907019X

Reference yield:

bromine trifluoride (7787-71-5) + molybdenum(VI) oxide → molybdenum(VI) fluoride (7783-77-9) + molybdenum oxotetrafluoride (14459-59-7,52049-90-8)

Guidance literature:

carrier gas He (15l/h), partial pressure of BF3=15 Torr, 100-450°C; Kinetics;

Reference yield:

bromine trifluoride (7787-71-5) + molybdenum (7439-98-7) → molybdenum(VI) fluoride (7783-77-9) + molybdenum oxotetrafluoride (14459-59-7,52049-90-8)

Guidance literature:

in a quartz vessel;

DOI:10.1039/JR9490002979

upstream raw materials:

chlorine trifluoride

molybdenum

hydrogen fluoride

bromine trifluoride

Downstream raw materials:

NO⁽¹⁺⁾*MoF₆^(1-)=NOMoF₆

chlorine

fluorine

molybdenum(V) fluoride

Refernces

• 1、 Buchner, M. R.,Chemnitz, T.,Kraus, F.,Petry, W.. "Plasmachemical synthesis of the binary hexafluorides of Mo, Os, Ir, Te, and U". . . Retrieved 2021/08/10.
• 2、 Gama,Wagener,Crouse. "A thermogravimetric study of the reactions of molybdenum disilicide with anhydrous hydrogen fluoride and fluorine". . p. 66 - 69. Retrieved 2013/02/25.