Ammonia-Ammonia-(NH3)

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.