Gas

Gas	CAS	Formula
Acetylene	74-86-2	C2H2
Nitric acid	7697-37-2	HNO3
Sulfuric acid	7664-93-9	H2SO4
Ammonia	7664-41-7	NH3
Arsine	7784-42-1	AsH3
Nitrogen	7727-37-9	N2
Benzene	71-43-2	C6H6
Bromine	7726-95-6	Br2
Hydrogen bromide	10035-10-6	HBr
Chlorine	7782-50-5	Cl2
Hydrogen chloride	7647-01-0	HCl
Hydrogen cyanide	74-90-8	HCN
Diborane	19287-45-7	B2H6
Nitrogen Dioxide	10102-44-0	NO2
Carbon dioxide	124-38-9	CO2
Chlorine dioxide	10049-04-4	ClO2
Sulfur dioxide	7446-09-5	SO2
Ethanol	64-17-5	C2H6O
Ethylene	74-85-1	C2H4
Fluorine	7782-41-4	F2
Hydrogen fluoride	7664-39-3	HF
Formaldehyde	50-00-0	CH2O
Germane	7782-65-2	GeH4
Sulfur hexafluoride	2551-62-4	SF6
Hydrazine	302-01-2	N2H4
Aromatic isocyanate	26471-62-5 / 101-68-8	TDI / MDI
Mercury	7439-97-6	Hg
Methane (natural gas)	74-82-8	CH4
Nitric oxide	10102-43-9	NO
Carbon monoxide	630-08-0	CO
Ethylene oxide	75-21-8	C2H4O
Oxygen	17778-80-2	O2
Ozone	10028-15-6	O3
Tetrachloroethylene	127-18-4	C2Cl4
Hydrogen peroxide	7722-84-1	H2O2
Phosgene	75-44-5	COCl2
Phosphine	7803-51-2	PH3
Hydrogen selenide	7783-07-5	H2Se
Silane	7803-62-5	SiH4
Styrene	100-42-5	C8H8
Hydrogen sulfide	7783-06-4	H2S
Toluene	108-88-3	C7H8
Refrigerant gas / Freons