Major Category
Toxic Gases & Vapors
Synonyms
Argon-40; [ChemIDplus] UN1006; UN1951
Category
Simple Asphyxiants
Description
An inert gas that is colorless and odorless; [ACGIH] Heavier than air; [Burke, p. 90]
Sources/Uses
Used as an inert gas in arc welding, semiconductor doping, and metal refining (blanketing agent); Also used as an inert gas in electric lamps and ionization chambers; [ACGIH] Also used in geological dating and cryogenic applications; [Merck Index]
Comments
Simple asphyxiant; Evaporating liquid can cause frostbite; [ICSC]
Explanatory Notes
ACGIH documentation withdrawn in 2013; Refer to Appendix F: Minimal Oxygen Content; [TLVs and BEIs]
Other Poison
Simple Asphyxiant
Diseases
Occupational diseases associated with exposure to this agent:
Processes
Industrial Processes with risk of exposure:
Activities
Activities with risk of exposure: