Ammonia

R717, anhydrous ammonia

How to detect Ammonia

Formula: NH3 | CAS: 7664-41-7

Synonyms: R717, anhydrous ammonia

Ammonia is widely used in the production of many nitrogenous chemicals, such as ammonium nitrate fertiliser.

Specification

SpecificationValue/Information
FormulaNH3
CAS no.7664-41-7
Gas Response Factor, 11.7 eV5.7
Gas Response Factor, 10.6 eV8.5
Gas Response Factor, 10.0 eVNA
ppm per mg/m⁻³, (20 °C, 1 bar)1.412
Molecular Weight, g/mole17.0
Melting point, °C-78
Boiling point, °C-33.3
Flash point, °C13.9
Upper Explosive Limit, %28
Lower Explosive Limit, %15
Density, g.cm⁻³0.773
SpecificationValue/Information
Ionisation Energy, eV10.18
EH40 TWA, ppm25
EH40 TWA, mg.m⁻³18
EH40 STEL, ppm35
EH40 STEL, mg.m⁻³25
NIOSH ST, ppm35
NIOSH TWA REL, ppm25
NIOSH ST, mg.m⁻³27
NIOSH TWA REL, mg.m⁻³18
NIOSH IDLH, ppm300
OSHA TWA PEL, ppm50
OSHA TWA PEL, mg.m⁻³35

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