Sulfur hexafluoride cas no:2551-62-4

NameSulfur hexafluoride
CAS2551-62-4
SynonymsSulfur fluoride (SF6), (OC-6-11)-;Sulfur fluoride, (OC-6-11)-;Sulfur fluoride;Hexafluorosulfur;Hexafluorure de soufre;SonoVue;Sulphur hexafluoride;
EINECS(EC#)219-854-2
Molecular FormulaS F₆
Molecular Weight146.05

Appearancecolourless odourless gas
storage tempKeep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.

Hazardclass2.2

Hazard Xi: Irritant;
Risk R37
Safety

This material is chemically inert in the pure state and is considered to be physiologically inert as well. However, as it is ordinarily obtainable, it can contain variable quantities of the low-sulfur fluorides. Some of these are toxic, very reactive chemically, and corrosive in nature. These materials can hydrolyze on contact with water to yield hydrogen fluoride, which is highly toxic and very corrosive. In high concentrations and when pure it may act as a simple asphyxiant. Incompatible with disilane. Vigorous reaction with disilane. May explode. When heated to decomposition emits highly toxic fumes of F^? and SO_x.
Hazard Codes:?Xi
Risk Statements: 37?
R37: Irritating to respiratory system
Safety Statements: 38?
S38: In case of insufficient ventilation, wear suitable respiratory equipment.
RIDADR: UN 1080 2.2
Hazard Note: Irritant
HazardClass of Sulfur hexafluoride (CAS NO.2551-62-4): 2.2

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rabbit	LD50	intravenous	5790mg/kg (5790mg/kg)	?	Toxicology Letters. Vol. 1000(Sp)