Formula: NH3
CAS No.: 7664-41-7
EINECS No.: 231-956-9
UN No.: UN1005
Purity: 99.99%-99.999%
Dot Class: 2.3 Poisonous Gas
Appearance: Colorless
Ammonia is an inorganic chemical compound of nitrogen and hydrogen with the formula NH₃. A stable binary hydride and the simplest pnictogen hydride, ammonia is a colourless gas with a distinctive pungent smell.
1.Used in the CVD (Chemical Vapor Deposition) process for Semiconductor and advanced materials manufacturing.
2.Used by the automotive and aeronatics industries as a heat treatment.
3.Used in calibration gas mixtures for petrochemical industry, environmental emissions monitoring, industrial hygiene monitors and trace impurity analyzers,etc.
GRADE 5 | GRADE 5.5 | GRADE 6.4 | |
Purity | 100.00% | 100.00% | 100.00% |
Nitrogen | < 5 ppmv | < 1.5 ppmv | |
Oxygen | < 0.5 ppmv | (+Ar): <100 ppbv | |
Carbon Monoxide | < 2 ppmv | < 0.1 ppmv | < 50 ppbv |
Carbon Dioxide | < 0.4 ppmv | < 100 ppbv | |
Hydrogen | < 100 ppbv | ||
Methane | < 2 ppmv | < 0.1 ppmv | < 50 ppbv |
Water | (+O2): < 5 ppmv | < 2 ppmv | < 200 ppbv |