Specification
Purity,% 99.999 99.9995 99.99999
Oxygen ≤1.0 ppmv ≤0.5 ppmv ≤10 ppbv
Nitrogen ≤5 ppmv ≤1.0 ppmv ≤200 ppbv
Carbon dioxide ≤1.0 ppmv ≤0.4 ppmv ≤100 ppbv
Carbon monoxide ≤2 ppmv ≤0.5 ppmv ≤50 ppbv
Hydrogen
≤100 ppbv
Methane ≤2 ppmv ≤0.1 ppmv ≤50 ppbv
Moisture ≤5 ppmv ≤2.0 ppmv ≤200 ppbv
transportation
DOT Shipping name Ammonia, anhydrous
DOT classification 2.1
DOT label combustible gas
UN.NO. UN1005
CAS No. 7664-41-7
CGA/DISS/JIS/BS341/DIN477 660/720/W22-14L/NO.10/NO.6
Transportation status Liquefied gas
Technical Information
Cylinder condition @ 21.1°C liquid
Combustion limit in air 15-27%
Natural temperature (°C) 850
Molecular weight (g/mol) 17.03
Specific gravity (air =1) 0.593
Critical temperature (°C) 36.17
Critical temperature (psig) 890.208
Application
1. Used as a component of standard gas for environmental monitoring system.
2. As a component of mixed gas.
3. Used in various chemical reactions.
4. Used in semiconductor production.