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| | MOLYBDENUM HEXAFLUORIDE Basic information |
| Product Name: | MOLYBDENUM HEXAFLUORIDE | | Synonyms: | (oc-6-11)-molybdenumfluoride(mof6;Hexafluoromolybdenum;MoF6;Molybdenum fluoride (MoF6);Molybdenum fluoride (MoF6), (OC-6-11)-;MOLYBDENUM HEXAFLUORIDE;MOLYBDENUM FLUORIDE;MOLYBDENUM(VI) FLUORIDE | | CAS: | 7783-77-9 | | MF: | F6Mo | | MW: | 209.93 | | EINECS: | 232-026-5 | | Product Categories: | | | Mol File: | 7783-77-9.mol |  |
| | MOLYBDENUM HEXAFLUORIDE Chemical Properties |
| Melting point | 17.5 °C(lit.) | | Boiling point | 37 °C(lit.) | | density | 2.3 g/mL at 25 °C(lit.) | | Fp | 35°CC | | solubility | Miscible with saturated hydrocarbons, chlorinated and fluorinated hydrocarbons. | | form | Liquid | | color | Colorless | | Water Solubility | hydrolyzed in H2O; soluble anhydrous HF: 1.5 moles/1000g HF [MER06] | | Crystal Structure | Cubic | | Sensitive | Hygroscopic | | Merck | 14,6237 | | Exposure limits | ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3 | | CAS DataBase Reference | 7783-77-9(CAS DataBase Reference) | | EPA Substance Registry System | Molybdenum fluoride (MoF6), (OC-6-11)- (7783-77-9) |
| Hazard Codes | C | | Risk Statements | 34 | | Safety Statements | 26-36/37/39-45 | | RIDADR | UN 3264 8/PG 2 | | WGK Germany | 3 | | RTECS | QA4681450 | | F | 10-21 | | Hazard Note | Corrosive | | TSCA | Yes | | HazardClass | 6.1 | | PackingGroup | II | | HS Code | 28261990 |
| | MOLYBDENUM HEXAFLUORIDE Usage And Synthesis |
| Chemical Properties | liquid | | 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. | | Uses | Separation of molybdenum isotopes. | | Definition | ChEBI: Molybdenum hexafluoride is a molybdenum halide. | | Preparation | Molybdenum hexafluoride is prepared by passing fluorine over molybdenum powder:
Mo + 3F2 → MoF6. | | Hazard | Strong irritant. | | Purification Methods | Purify the hexafluoride by low-temperature trap-to-trap distillation over pre-dried NaF. It is hygroscopic, fumes in moist air and is hydrolysed readily by H2O. [Oppengard et al. J Am Chem Soc 82 3825 1960, Anderson & Winfield J Chem Soc, Dalton Trans 337 1986, Kwasnik in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I p 259 1963.] Poisonous vapours. |
| | MOLYBDENUM HEXAFLUORIDE Preparation Products And Raw materials |
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