ChemicalBook > Product Catalog >Inorganic chemistry >Inorganic salts >Metal halide and Halogen salt >Metal fluoride and salt >Tungsten hexafluoride

Tungsten hexafluoride

Tungsten hexafluoride Suppliers list
Company Name: Henan Tianfu Chemical Co.,Ltd.
Tel: 0371-55170693
Email: info@tianfuchem.com
Products Intro: CAS:7783-82-6
Purity:99% Package:500G;1KG;5KG;25KG
Company Name: Meryer (Shanghai) Chemical Technology Co., Ltd.  
Tel:+86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
Email:sh@meryer.com
Products Intro:Product Name:Tungsten(VI) fluoride
CAS:7783-82-6
Purity:99% Remarks:AAM123830
Company Name: 3B Pharmachem (Wuhan) International Co.,Ltd.  
Tel:86-21-50328103 * 801、802、803、804 Mobile:18930552037
Email:3bsc@sina.com
Products Intro:Product Name:Tungsten hexafluoride
CAS:7783-82-6
Purity:99% HPLC Package:1Mg ; 5Mg;10Mg ;100Mg;250Mg ;500Mg ;1g;2.5g ;5g ;10g
Company Name: Aemon Chemical  
Tel:0086-755-86198205
Email:acinfo@aemonchem.com
Products Intro:Product Name:Tungsten hexafluoride
CAS:7783-82-6
Purity:99.0% Package:1kg;25kg;
Company Name: (CSR Factory)China Skyrun Industrial CO.,ltd  
Tel:Please Email
Email:sales@chinaskyrun.com
Products Intro:Product Name:Tungsten Hexafluoride (WF6)
CAS:7783-82-6
Tungsten hexafluoride Basic information
Physical and Chemical Properties Hazardous characteristics Storage Instructions First-aid steps Category Flammability hazard characteristics Storage characteristics Extinguishing agent Occupational standards
Product Name:Tungsten hexafluoride
Synonyms:Tungstenfluoride;TUNGSTEN HEXAFLUORIDE;TUNGSTEN(VI) FLUORIDE;(oc-6-11)-tungstenfluoride(wf6;Hexafluorotungsten;Tungsten fluoride (WF6);Tungsten fluoride (WF6), (OC-6-11)-;WF6
CAS:7783-82-6
MF:F6W
MW:297.83
EINECS:232-029-1
Product Categories:Chemical Synthesis;Electronic Chemicals;Fluorides;Materials Science;Micro/NanoElectronics;Specialty Gases;Synthetic Reagents
Mol File:7783-82-6.mol
Tungsten hexafluoride Structure
Tungsten hexafluoride Chemical Properties
Melting point 2.3 °C(lit.)
Boiling point 17.5 °C(lit.)
density d15liq 3.441
Water Solubility decomposes
Merck 13,9885
CAS DataBase Reference7783-82-6(CAS DataBase Reference)
NIST Chemistry ReferenceTungsten hexafluoride(7783-82-6)
EPA Substance Registry SystemTungsten fluoride (WF6), (OC-6-11)-(7783-82-6)
Safety Information
Hazard Codes T,C
Risk Statements 23/24/25-34
Safety Statements 26-36/37/39-45
RIDADR UN 2196 2.3
WGK Germany 3
RTECS YO7720000
Hazard Note Toxic/Corrosive
HazardClass 2.3
MSDS Information
ProviderLanguage
Tungsten hexafluoride English
SigmaAldrich English
Tungsten hexafluoride Usage And Synthesis
Physical and Chemical PropertiesChemical formula is WF6. The molecular weight is 297.84. It is colorless gas or light yellow liquid. It has strong irritant. It is poisonous, its toxicity is similar with fluorine. When the temperature is very low, it is white solid. It is soluble in organic solvents and then generate a special color. When meet water, it can decompose. In the air, it can decompose with strong smoke by moisture, and generate yellow tungstate or tungsten trioxide. Chemical properties is lively. And almost all metals (except gold and platinum) can react with it. It is also corrosive for nickel, monel and stainless steel, but Ni and stainless steel have resistance for corrosion. When dry, it is less corrosive to glass, while in moisture, it is able to react quickly. It can react strong with gaseous ammonia. Ammonia or an alkali can absorb it . It can generate double salt with alkali metal fluoride. It is soluble in benzene and other organic solvents.
[Density] 3.44×103kg/m3 (15℃, liquid)
[Melting point] 2.5℃ (5.6 × 104 Pa)
[Boiling point] 17.5℃
[Critical temperature] 171℃
[Critical pressure] 445.8kPa
[Preparation method] Metal tungsten powder and elemental fluorine can react to synthesize it directly.
[Application] (1) It is strong fluorinating agent, it can synthesize tungsten film in vapor deposition method. (2) it is used in the microelectronics industry for chemical vapor deposited tungsten silicide or tungsten, to produce a low resistance, a high melting point interconnects.

Figure 1 shows the molecular structure of tungsten hexafluoride.
Hazardous characteristicsWhen meet moisture, air or water, it will decompose and emit toxic and corrosive hydrogen fluoride fumes. It can cause very serious burns for skin, eyes, mucous membranes. When high concentrations expose, it can cause nausea, vomiting, abdominal pain, convulsions, kidney damage.
The above information is edited by the chemicalbook of Wang Xiaodong.
Storage InstructionsIt shoud be packed in special cylinders and stored in a cool, ventilated coffers. Avoid direct sunlight. Keep away from heat and sources of ignition. Prevent moisture. Metal, glass should be isolated storage. "poison gas" signs should be affixed. Aviation, railway transportation is prohibited. When other combustibles on fire around, dry powder, carbon dioxide can be used to extinguish. Water can be used to cool cylinder, and then close the valve quickly.
First-aid stepsIt has eye irritation and can lead to blind, eyes should continue to be rinsed, go to the hospital fast for treatment. After corrosion, skin and mucous membranes is difficult to heal, it should be washed with water, and then coated with magnesium oxide ointment or glycerol dilute ammonia, and seek medical advice.
CategoryCompressed gas and liquefied.
Flammability hazard characteristicsWhen meet water, it can decompose into toxic hydrogen fluoride gas and tungstate.
Storage characteristicsTreasury ventilation low-temperature drying.
Extinguishing agentWater.
Occupational standardsTLV-TWA 5 mg (tungsten)/cubic meter; STEL 10 mg (tungsten)/cubic meter.
Chemical Propertiescompressd gases and liquefied gases
UsesIn the electronics industry as a source of tungsten metal that connects the aluminum layers within semiconductor devices.
General DescriptionA toxic corrosive light yellow liquid or gas. Boiling point 67°F. Melting point 37°F. Noncombustible. Used in the manufacture of other chemicals and in the manufacture of electronics.
Air & Water ReactionsDecomposes in water giving hydrofluoric acid, another corrosive material.
Reactivity ProfileTungsten hexafluoride emits very toxic and irritating fumes containing metallic tungsten and tungsten fluorides when heated to decomposition. Reacts violently with tetramethoxysilane [Jacob, E., Angew. Chem., 1982, 21, p. 143].
Health HazardTOXIC; may be fatal if inhaled, ingested or absorbed through skin. Vapors are extremely irritating and corrosive. Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite. Fire will produce irritating, corrosive and/or toxic gases. Runoff from fire control may cause pollution.
Fire HazardSome may burn but none ignite readily. Vapors from liquefied gas are initially heavier than air and spread along ground. Some of these materials may react violently with water. Cylinders exposed to fire may vent and release toxic and/or corrosive gas through pressure relief devices. Containers may explode when heated. Ruptured cylinders may rocket.
Tungsten hexafluoride Preparation Products And Raw materials
Tag:Tungsten hexafluoride(7783-82-6) Related Product Information
Tungsten hexafluoride FLUORIDE STANDARD Tungsten sodium fluoride Sulfur hexafluoride TUNGSTEN CARBIDE