Chemical Formula: NH3
Common Name: Ammonia (R717)
Molecular Weight: 17.03 g/mol
Boiling Point: -33.34°C (-28.01°F) at 1 atm
Critical Temperature: 132.4°C (270.3°F)
Critical Pressure: 11.33 MPa (113.3 bar)
Density (Liquid at 25°C): 682 kg/m³
Density (Gas at 25°C, 1 atm): 0.696 kg/m³
Viscosity (Liquid at 25°C): 0.25 mPa·s
Viscosity (Gas at 25°C, 1 atm): 0.00982 mPa·s
Specific Heat Capacity (Liquid at 25°C): 4.70 kJ/kg·K
Specific Heat Capacity (Gas at 25°C, 1 atm): 2.06 kJ/kg·K
Thermal Conductivity (Liquid at 25°C): 0.50 W/m·K
Thermal Conductivity (Gas at 25°C, 1 atm): 0.0246 W/m·K
Buoyancy (Relative to Air): 0.59 (lighter than air)
Material Compatibility: Compatible with steel, stainless steel, aluminum; not compatible with copper, brass, zinc
Grade: Industrial/Refrigeration Grade (99.5%+ purity)
Common Cylinder Sizes: 30 kg, 50 kg, 100 kg, bulk storage tanks
ASHRAE Safety Classification: B2 (Moderately toxic, flammable)
Autoignition Temperature: 651°C (1204°F)
Ozone Depletion Potential (ODP): 0
Global Warming Potential (GWP): 0
