Hydrogen - Keen Compressed Gas Co.

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Hydrogen

Hydrogen is the lightest gas known. It is a colorless, odorless and tasteless gas and is flammable and nontoxic at atmospheric temperatures and pressures.

The Compressed Gas Association (CGA) specification G-5.3 is the industry standard. Type II, Grade A is considered commercial liquid hydrogen and Type I, Grade B is considered commercial gaseous hydrogen.

Certificate of Conformance

Hydrogen Conversion Data

Hydrogen Weight Gas Liquid
Pounds

Kilograms

 Cubic Feet Cubic Meters Gallons Liters
Lb Kg SCF Nm3 Gal L
1 Pound 1 0.4536 192 5.047 1.6928 6.408
1 Kilogram 2.205 1 423.3 11.126 3.733 14.128
1 SCF Gas 0.005209 0.002363 1 0.02628 0.00882 0.03339
1 Nm3 Gas 0.19815 0.08988 38.04 1 0.3355 1.2699
1 Gal Liquid 0.5906 0.2679 113.41 2.981 1 3.785
1 L Liquid 0.15604 0.07078 29.99 0.7881 0.2642 1

SCF (standard cubic foot) and SM3 (standard cubic meter) gas measured at 1 atmosphere and 70ºF.

Liquid measured at 0ºF and saturated pressure.

Nm3 (normal cubic meter) gas measured at 1 atmosphere and 0ºC.

All values round to the nearest 4/5 significant numbers.

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