antimony trihydride (7803-52-3)

1.General Description: A colorless gas with a disagreeable odor. A moderate fire hazard that may yield toxic fumes when heated above 392°F. Irritating to skin, eyes, and mucous membranes. Heavier than air. If exposed to prolonged fire or intense heat, the container may rupture violently or rocket.
2.Air & Water :Reactions Highly flammable.
3.Reactivity Profile: An explosion occurs if Antimonous hydride is heated with ammonia or chlorine. Antimonous hydride and concentrated nitric acid explode
Health Hazard: Toxic ; may be fatal if inhaled or absorbed through skin. 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.
5.Fire Hazard: Flammable; may be ignited by heat, sparks or flames. May form explosive mixtures with air. Vapors from liquefied gas are initially heavier than air and spread along ground. Vapors may travel to source of ignition and flash back. Some of these materials may react violently with water. Cylinders exposed to fire may vent and release toxic and flammable gas through pressure relief devices. Containers may explode when heated. Ruptured cylinders may rocket. Runoff may create fire or explosion hazard.
 

Antimony and its compounds are on the Community Right-To-Know List.