Health Effects
Causes irritation to eyes, skin, mucous membranes and damage to therespiratory system. Liquid anhydrous ammonia causes severe burns on contact.
RTECS Description: Tumorigen, Mutagen
Carcinogenicity: IARC/NTC: Not listed as a human carcinogen
Exposure Limits:
ACGIH: TWA = 25 ppm
NIOSH REL = 25 ppm, STEL 35 ppm
IDLH = 300 ppm
OSHA: PEL = 50 ppm [29 CFR 1910.1000, table Z-1)
Steri-Trac® NH3 Monitor
Availability: Special Order
Specifications:*
Sensor Type Electrochemical
Range: 0 – 100 ppm
Resolution: 1 ppm
Temp Range: -20 to +40 oC
Response time (t50): <60 (5 min exposure time)
Properties and Applications:
Ammonia is gas with a strong pungent odor and is primarily manufactured today via the Haber Bosch catalytic combination of nitrogen and hydrogen. Ammonia is used in chemical synthesis, refrigeration and as a fertilizer. It is also a byproduct of animal farming operations.
Physical Properties:
Chemical Formula: NH3
Physical form: Colorless gas
MP: -77.7 oC
BP: -33.4 oC
LEL: 15% v/v
Odor Threshold 0.6 to 50 ppm
Classification Numbers:
MW: 17.03 g/mol
Rel. Gas Density: 0.60 (Air = 1)
CAS No.: 7664-41-7
EC No.: 231-635-3
RTECS: BO0875000
*Specifications are subject to change
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