A colorless, odorless, tasteless, highly oxidizing gas
Learn more about Oxygen gas, the most abundant element on the earth’s surface. As a gas, it’s indispensable in respiration. Composing almost 21% of the atmosphere, Oxygen is a colorless, odorless and tasteless gas which supports combustion. As a liquid at -297°F, Oxygen is light blue in color and is approximately 14% heavier than water. Middlesex Gases supplies Liquid Oxygen to commercial customers in Massachusetts, New Hampshire, Rhode Island, Connecticut and throughout New England.
TECHNICAL INFORMATION
Chemical Symbol
O2
Molecular Weight
32.00
Specific Volume
12.1 ft3/lb (0.76 m3/kg)
CAS Registry Number
7782-44-7
SHIPPING INFORMATION
DOT Proper Name
Oxygen, Compressed
Hazard Class
2.2
ID Number
UN1072
Labels
Nonflammable Gas, Oxidizer
CYLINDER SIZES AVAILABLE
Std. Cylinder Sizes*
Contents
Cylinder Pressure (PSIG)
CGA Valve Connection
300
337
2640
540
200
249
2200
540
80
83
2200
540
*Nonstandard cylinder sizes available upon request