Sulfur hexafluoride?- CAS NO.2551-62-4

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Sulfur hexafluoride Chemical Properties

mp	−50 °C(lit.)
bp	−64 °C1 mm Hg(lit.)
density	6.602
vapor density	5.11 (vs air)
vapor pressure	22 mm Hg ( 21.1 °C)
Water Solubility	slightly
Merck	13,9063
Stability:	Stable. Non-flammable. Explodes on contact with disilane. Reacts with sodium.
CAS DataBase Reference	2551-62-4(CAS DataBase Reference)
NIST Chemistry Reference	Sulfur hexafluoride(2551-62-4)
EPA Substance Registry System	Sulfur fluoride (SF6), (OC-6-11)-(2551-62-4)

Safety Information

MSDS Information

Provider	Language
Sulfur hexafluoride	English
SigmaAldrich	English

Sulfur hexafluoride Usage And Synthesis

Chemical Properties	colourless odourless gas
General Description	A colorless odorless gas. Noncombustible. Shipped as a liquefied gas under own vapor pressure. Contact may cause frostbite. Under prolonged exposure to fire or heat the containers may rupture violently and rocket.
Reactivity Profile	This substance undergoes chemical reactions only under relatively severe circumstances. They are resistant to ignition, although they may become flammable at very high temperatures. They may be resistant to oxidation reduction, except in the most severe conditions. These materials may be nontoxic. They can asphyxiate. Contact of very cold liquefied gas with water may result in vigorous or violent boiling of the product and extremely rapid vaporization due to the large temperature differences involved. If the water is hot, there is the possibility that a liquid "superheat" explosion may occur. Pressures may build to dangerous levels if liquid gas contacts water in a closed container [Handling Chemicals Safely 1980].
Health Hazard	Vapors may cause dizziness or asphyxiation without warning. Vapors from liquefied gas are initially heavier than air and spread along ground. Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite. Fire may produce irritating, corrosive and/or toxic gases.
Fire Hazard	Some may burn but none ignite readily. Containers may explode when heated. Ruptured cylinders may rocket.