The chart below contains several gases and the important chemical details of each.
|
Gases
|
Non liquefied Compressed Gas
|
Liquefied Gas
|
Physical Hazards
|
Flammable Limits in Air (1) Vol %
|
Additional Gas Properties
|
||
|
Inert
|
Corrosive
|
Toxic
|
|||||
| Acetylene |
(2)
|
 |
Flammable
|
2.5 - 100
|
|
|
|
| Air |
X
|
|
Oxidizer
|
|
|
|
|
| Allene | |
X
|
Flammable
|
2.2 - n/a
|
|
|
|
| Ammonia | |
X
|
Nonflammable
|
15 - 28
|
|
X
|
|
| Argon |
X
|
|
Nonflammable
|
|
X
|
|
|
| Arsine | |
X
|
Flammable
|
5.1 - 78
|
|
|
(4)
|
| Boron Trichloride | |
X
|
Nonflammable
|
|
|
X
|
X
|
| Boron Trifluoride |
X
|
|
Nonflammable
|
|
|
X
|
(4)
|
| Benzene | |
(5)
|
Flammable
|
1 - 11.5
|
|
|
X |
| Butane | |
X
|
Flammable
|
1.8 - 8.4
|
|
|
|
| Butenes | |
X
|
Flammable
|
1.6 - 10
|
|
|
|
| Carbon Dioxide | |
X
|
Nonflammable
|
|
X
|
|
|
| Carbon Monoxide |
X
|
|
Flammable
|
12.5 - 74
|
|
|
X
|
| Carbonyl Sulfide | |
X
|
Flammable
|
11.9 - 28.5
|
|
(3)
|
X
|
| Chlorine | |
X
|
Oxidizer
|
|
|
(3)
|
(4)
|
| Cyanogen | |
X
|
Flammable
|
6.6 - 32
|
|
|
(4)
|
| Cyclopropane | |
X
|
Flammable
|
2.4 - 10.4
|
|
|
|
| Deuterium |
X
|
|
Flammable
|
4.9 - 75
|
|
|
|
| Diborane |
X
|
|
Flammable
|
0.8 - 98
|
|
|
(4)
|
| Dimethylamine | |
X
|
Flammable
|
2.8 - 14.4
|
|
X
|
|
| Dimethyl Ether | |
X
|
Flammable
|
3.4 - 27
|
|
|
|
| Ethane | |
X
|
Flammable
|
3 - 12.4
|
|
|
|
| Ethyl Acetylene | |
X
|
Flammable
|
(7)
|
|
|
|
| Ethyl Chloride | |
X
|
Flammable
|
3.8 - 15.4
|
|
|
|
| Ethylanol |
X
|
|
Flammable
|
2.7 - 36
|
|
|
|
| Ethylene Oxide | |
(6)
|
Flammable
|
3.6 - 100
|
|
|
X
|
| Fluorine |
X
|
|
Oxidizer
|
|
|
|
(4)
|
| Germane |
X
|
|
Flammable
|
(7)
|
|
|
(4)
|
| Halocarbon | |
X
|
Nonflammable
|
|
X
|
|
|
| Halocarbon | |
X
|
Nonflammable
|
|
X
|
|
|
| Halocarbon |
X
|
|
Nonflammable
|
|
X
|
|
|
| Halocarbon | |
X
|
Nonflammable
|
|
X
|
|
|
| Helium |
X
|
|
Nonflammable
|
|
X
|
|
|
| Hydrogen |
X
|
|
Flammable
|
4 - 75
|
|
|
|
| Hydrogen Bromide | |
X
|
Nonflammable
|
|
|
(3)
|
(4)
|
| Hydrogen Chloride | |
X
|
Nonflammable
|
|
|
(3)
|
(4)
|
| Hydrogen Fluoride | |
X
|
Nonflammable
|
|
|
X
|
(4)
|
| Hydrogen Sulfide | |
X
|
Flammable
|
4 - 44
|
(3)
|
(3)
|
(4)
|
| Isobutane | |
X
|
Flammable
|
1.8 - 9.6
|
|
|
|
| Isobutylene | |
X
|
Flammable
|
1.8 - 9.6
|
|
|
|
| Krypton |
X
|
|
Nonflammable
|
|
X
|
|
|
| Methane |
X
|
|
Flammable
|
5 - 15
|
|
|
|
| Methyl Chloride | |
X
|
Flammable
|
10.7 - 17.4
|
|
|
|
| Methyl Mercaptan | |
X
|
Flammable
|
3.9 - 22
|
|
|
(4)
|
| Monoethylamine | |
X
|
Flammable
|
3.5 - 14
|
|
X
|
|
| Monomethylamine | |
X
|
Flammable
|
4.9 - 20.7
|
|
X
|
|
| Neon |
X
|
|
Nonflammable
|
|
X
|
|
|
| Nitric Oxide |
X
|
|
Oxidizer
|
|
|
(3)
|
(4)
|
| Nitrogen |
X
|
|
Nonflammable
|
|
X
|
|
|
| Nitrogen Dioxide | |
X
|
Oxidizer
|
|
|
(3)
|
(4)
|
| Nitrogen Trioxide | |
X
|
Oxidizer
|
|
|
(3)
|
(4)
|
| Nitrosyl Chloride | |
X
|
Oxidizer
|
|
|
(3)
|
(4)
|
| Nitrous Oxide | |
X
|
Oxidizer
|
|
|
|
|
| Oxygen |
X
|
|
Oxidizer
|
|
|
|
|
| Phosgene | |
X
|
Nonflammable
|
|
|
X
|
(4)
|
| Phosphine | |
X
|
Flammable
|
1.6 - 99
|
|
|
(4)
|
| Propane | |
X
|
Flammable
|
2.1 - 9.5
|
|
|
|
| Propylene | |
X
|
Flammable
|
2 - 11
|
|
|
|
| Silane |
X
|
|
Flammable
|
1.5 - 98
|
|
|
|
| Sulfur Dioxide | |
X
|
Nonflammable
|
|
|
(3)
|
(4)
|
| Sulfur Hexafluoride | |
X
|
Nonflammable
|
|
X
|
|
|
| Sulfur Tetrafluoride | |
X
|
Nonflammable
|
|
|
X
|
(4)
|
| Trimethylamine | |
X
|
Flammable
|
2 - 12
|
|
X
|
|
| Vinyl Bromide | |
X
|
Flammable
|
9 - 15
|
|
|
|
| Vinyl Chloride | |
(5)
|
Flammable
|
3.6 - 33
|
|
|
|
| Xenon |
X
|
|
Nonflammable
|
|
X
|
|
|
(1) Flammable limits are normal atmospheric pressure and temperature. Other conditions will change the limits.
(2) Dissolved in solvent under pressure. Gas may be unstable and explosive above 15 psig (1 bar).
(3) Corrosive in the presence of moisture.
(4) Toxic: It is recommended that the user be thoroughly familiar with the toxicity and other properties of this gas.
(5) Cancer suspect agent.
(6) Recognized human carcinogen.
(7) Flammable, however, limits are not known.
Please Note: Halcarbon 12 = Dichlorodifluoromethane; Halocarbon 13 = Chlorotrifluoromethane; Halocarbon 14 = Tetrafluoromethane; Halocarbon 22 = Chlorodifluoromethane.
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