anhydrous ammonia, ammonia gas, spirit of hartshorn
2D Structure
Physical Properties
Density
0.682 g/mL at 25°C
Boiling Point
-33.34°C
Melting Point
-77.73°C
Flash Point
-52.0°C
Vapor Pressure
1000.0 kPa at 20°C
Refractive Index
nD = 1.335
Dielectric Constant
ε = 22.0
Safety & GHS Classification
GHS04GHS06Irritant
H221: Flammable gas
H280: Contains gas under pressure; may explode if heated
H314: Causes severe skin burns and eye damage
H331: Toxic if inhaled
H335: May cause respiratory irritation
Storage: Store as compressed gas or refrigerated liquid. Use in well-ventilated area — pungent odor at 5 ppm. Gas is lighter than air. Anhydrous ammonia is extremely corrosive to eyes, skin, and respiratory tract. Keep away from oxidizers and ignition sources.