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Safety and Health Topics: |
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| Argon |
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General Description
OSHA IMIS Code Number: 0240
Chemical Abstracts Service (CAS) Registry Number: 7440-37-1
NIOSH, Registry of Toxic Effects (RTECS) Identification Number: CF2300000
Chemical Description and Physical Properties: odorless, colorless, liquified gas
molecular formula: Ar
molecular weight: 39.95
boiling point: -185.9°C
melting point: -189.2°C
Exposure Limits
OSHA Permissible Exposure Limit (PEL) for Maritime: 29 CFR 1915.1000 Table Z-Shipyards -- Simple asphyxiants. The limiting factor is the available oxygen which shall be at least 18 percent and be within the requirements addressing explosion in subpart B of part 1915.
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): Simple Asphyxiant
Health Factors
Potential symptoms: Dizziness, unconsciousness, asphyxia; skin, eye frostbite (on contact with liquid).
Health Effects: Asphyxiation (HE17)
Affected organs: CNS
Notes: Six fatalities from argon-induced asphyxia were reported to OSHA during 2001-2002.
Date Last Revised: 07/28/2003
Literature Basis:
- International Chemical Safety Cards (WHO/IPCS/ILO): Argon.
* All Trademarks are the property of their respective owners.
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| Revised: 26 March 2004 |
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