Gases

Nonliquefied 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)

1,3-Butadiene

(5)

Flammable

2 - 11.5

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

Ethylene

X

Flammable

2.7 - 36

Ethylene Oxide

(6)

Flammable

3.6 - 100

X

Fluorine

X

Oxidizer

(4)

Germane

X

Flammable

(7)

(4)

Halocarbon 12

X

Nonflammable

X

Halocarbon 13

X

Nonflammable

X

Halocarbon 14

X

Nonflammable

X

Halocarbon 22

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