Gas Encyclopedia
Explore gases by hazard and application
Quick access to commonly researched gases, vapors and refrigerants.
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TOX
Toxic Gases
Exposure, poisoning and corrosive hazards
CO
Carbon Monoxide
H₂S
Hydrogen Sulfide
NH₃
Ammonia
Cl₂
Chlorine
SO₂
Sulfur Dioxide
NO₂
Nitrogen Dioxide
HCN
Hydrogen Cyanide
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LEL
Flammable Gases
Fuel gases, vapors and explosion risks
CH₄
Methane
Mix
Natural Gas
LPG
Liquefied Petroleum Gas
H₂
Hydrogen
C₃H₈
Propane
C₂H₂
Acetylene
C₄H₁₀
Butane
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O₂
Oxygen & Asphyxiants
Deficiency, enrichment and displacement
O₂
Oxygen
CO₂
Carbon Dioxide
N₂
Nitrogen
Ar
Argon
He
Helium
SF₆
Sulfur Hexafluoride
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VOC
VOCs & Solvent Vapors
Indoor air, solvents and process vapors
TVOC
Total VOCs
CH₂O
Formaldehyde
C₆H₆
Benzene
C₇H₈
Toluene
C₈H₁₀
Xylene
C₃H₆O
Acetone Vapor
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REF
Refrigerant Gases
A1, A2L, A3 and natural refrigerants
R32
R32
R454B
R454B
R1234yf
R1234yf
R134a
R134a
R290
R290 Propane
R600a
R600a Isobutane
R717
R717 Ammonia
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FAB
Semiconductor Gases
Deposition, doping, etching and cleaning
SiH₄
Silane
PH₃
Phosphine
AsH₃
Arsine
NF₃
Nitrogen Trifluoride
WF₆
Tungsten Hexafluoride
BCl₃
Boron Trichloride
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