PRODUCT IDENTIFICATION

Chemical Name : Ammonia  NH3
Synonyms : Ammonia, Anhydrous

PHYSICAL AND CHEMICAL PROPERTIES

Appearance, Odor And State: Colorless gas with a sharp, strong odor similar to “smelling salts” which is readily detectable at 20 ppm
Molecular Weight : 17.0
Boiling Point (1 atm) : -28.1 °F (-33.4 °C)
Specific Gravity (air=1) : 0.58
Freezing Point / Melting Point : -107.9 °F (-77.7 °C)
Vapor Pressure (at 70 °F (21.1 °C)) : 114.6 Psig
Gas Density (At 70 °F (21.1 °C) & 1 atm) : 0.044 Lb/Ft3
Solubility in Water (vol./vol. at 68 °F) : 0.849
NFPA Ratings : Health: 3; Flammability: 1; Reactivity: 0

TOXICOLOGICAL INFORMATION

LC50 (Inhalation) : 7339 – 11592 ppm (rat, 1 hour); 2000 ppm (rat, 4 hours)
LD50 (Oral) : Not applicable
LD50 (Dermal) : Not applicable
Skin Corrosivity : Ammonia is corrosive to the skin

TRANSPORT INFORMATION
Hazard class : 2.2
ID Number : UN1005
Additional description : Inhalation Hazard
Shipping label(s) : Nonflammable gas