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LIQUEFIED GAS CONVERSION CHART
Product Name (^) Cubic Feet I Pound Pounds I Gallon Cubic Feet I Gallon
Acetylene
UNINA: 1001 14.70 4.90 72.
CAS: 514-86-
Air
UN/NA: 1002 13.30^ 7.29^ 96.
CAS: n/a
Ammonia
Anhydrous 20.78 5.147 106.
UNINA: 1005
CAS: 7664-41-
Argon
UN/NA: 1006 9.71^ 11.63^ 112.
CAS: 7440-37-
Butane
UNINA: 1075 6.34^ 4.86 30.
CAS: 106-97-
Carbon
Dioxide 8.74 8.46 73.
UNINA: 2187
CAS: 124-38-
Chlorine
UNINA: 1017 5.38^ 11.73^ 63.
CAS: 7782-50-
Ethane
UNINA: 1045 12.51^ 2.74^ 34.
CAS: 74-84-
Ethylene
Oxide 8.78 7.25 63.
UNINA: 1040
CAS: 75-21-
Fluorine
UNINA: 1045 10.17^ 12.60^ 128.
CAS: 7782-41-
Helium
UNINA: 1046 97.09^ 1.043^ 101.
CAS: 7440-59-
Hydrogen
UNINA: 1049 192.00^ 0.592^ 113.
CAS: 1333-74-
Product Name Cubic Feet (Pound Pounds / Gallon Cubic Feet / Gallon
Hydrogen
Chloride 10.60 8.35 88.
UNINA: 1050
CAS: 7647-01-
Krypton
UN-NA: 1056 4.60^ 20.15^ 92.
CAS: 7439-90-
Methane
UNINA: 1971 23.61 3.55 83.
CAS: 74-82-
Methyl
Bromide
UN/NA: 1062
CAS: 74-83-
Neon
UNINA: 1065 19.18^ 10.07^ 193.
CAS: 7440-01-
Mapp Gas
UNINA: 1060 9.20^ 4.80^ 44.
CAS: n/a
Nitrogen
UNINA: 1066 13.89^ 6.75^ 93.
CAS: 7727-37-
Nitrous Oxide
UNINA: 1070 8.73^ 6.45^ 56.
CAS: 10024-97-
Oxygen
UNINA: 1072 12.05^ 9.52^ 114.
CAS: 7782-44-
Propane
UNINA: 1075 8.45^ 4.22^ 35.
CAS: 74-98-
Sulfur
Dioxide 5.94 12.0 71.
UNINA: 1079
CAS: 7446-09-
Xenon
UN-NA: 2036 2.93^ 25.51^ 74.
CAS: 7440-63-
Product Name Conversions Gallons / 30 Ibs fe /30 Ibs
R-407c (Ae^ 9000)^
9.50 Ibs / gal Pentafluoroethane 25% (^) 3.16 72.
1,1,1,2- Tetrafluoroethane 52% 23.00 ft3 / gal
Difluoromethane 23%
R-408a (FX-I0)
8.70 Ibs / gal Chlorodifluoeomethane 47% (^) 3.45 (^) 70.
1,1,1- Trifluoroethane 46% 20.50 ft3 / gal
Pentafluoroethane 7%
R-409a (FX-56)^
10.10Ibs/gal Chlorodifluoromethane 60% (^) 2.97 73.
1-Chloro-l,I,-Difluoroethane 15% 2- 24.60 ft
/ gal
Chloro-l,I,1 ,2- Tetrafluoroethane 25%
R-410a (AZ-20, PURON,
8.90 lbs / gal
SUVA 9100) 3.37 72.
Pentafluoroethane 50% 21.60 ft3 / gal
Difluorometnane 50%
R-500 9.80 Ibs / gal
Dichlorodifluoromethane 73.8% 3.06^ 114.
Difluoroethane 26.2% 37.30^ ft3 /^ gal
R-502 10.30 lbs / gal
Chlorodifluoromethane 48.4% 2.91^ 103.
Chloropentafluoroethane 51.2% 35.50^ ft3 /^ gal
R-503 6.86 Ibs / gal
Dichlorodifluoromethane 60% 4.37^ 131. Chloropentafluoroethane 40 % 30.20 ft
/ gal
R-504 9.02 lbs / gal
Chlorodifluoromethane 50% 3.33^ 145. Chloropentafluoroethane 50% 43.60 ft
3 / gal
R-
10.77lbs / gal Dichlorodifluoromethane 50% (^) 2.79 109.
Chlorotrifluoromethane 50% 39.40 ft3 / gal
R-506 10.70 lbs / gal
Chlorotrifluoromethane 50% 2.80^ 120.
R-11450% 43.10^ ft3 /^ gal
R-507 (AZ-50) 9.00 lbs / gal
Pentafluoroethane 50% 3.33^ 72.
1,1,1- Trifluoroethane 50% 21.80^ ft3 /^ gal
COMMON GASES CONVERSION TABLE
To Use This Worksheet:
- Find the name of the compressed gas you want to convert.
- If you know the quantity in pounds, multiply by the number in Column A
- If you know the quantity in gallons, multiply by the number in Column B.
- The result is the quantity of compressed gas in cubic feet. CHEMICAL GAS NAME FORMULA COLUMN A COLUMN B
Acetylene (Ethyne) C2H2^ 13.7^ 43.
Air O.8N2-0.202^ 12.2^ 88.
Allene C3H4^ 8.8 -
Ammonia NH3^ 20.9 118.
Argon Ar^ 8.9 103.
Arsine AsH3^ 4.6 -
Boron Trichloride BCI3^ 3.1 -
Boron Trifluoride BF3^ 5.2^ 70.
1,3-Butadiene C4H6^ 6.3 -
Butane C4H10^ 6.1 29.
1-Butene C4H8^ 6.2 -
2-Butene C4H8^ 6.2 -
Carbon Dioxide CO2^ 8.1 68.
Carbon Monoxide CO^ 12.7 86.
Carbon Tetrachloride CCI4^ 4.1 -
Carbon Tetrafluoride (See Freon-14) CF4^ 4.1 -
Carbonyl Fluoride COF2^ 5.2 -
Carbonyl Sulfide COS^ 5.9 -
Chlorine CI2^ 5.1 61.
Cyanogen (CN)2^ 6.8 -
Cyclopropane C3H6^ 8.5 -
Deuterium D2^ 88.5 -
Dichlorosilane SiH2CI2^ 3.5 -
Dimethylamine C2H7N^ 7.9 -
Dimethyl Ether C2H60^ 7.7 -
2,2-Dimethylpropane C5H12^ 4.9 -
Disilane Si2H6^ 2.6 -
Ethane C2H6^ 11.8 35.
Ethyl Chloride C2H5CI^ 5.5 -
Ethylene (Ethene) C2H4^ 12.7 60.
Ethylene Oxide C2H40^ 8.1 60.
Fluoroform (See also Freon 23) CHF2^ 5.3 -
Fluorine F2^ 9.4^ 117.
Nitrogen Dioxide N02^ 4.3 --
Nitrogen Trifluoride NF3^ 4.9 -
Nitrous Oxide N20^ 8.1 82.
Oxygen 02 11.1 105.
Perfluoropropane**** (see Freon 218) C3F8^ 1.9 --
Phosgene COCI2^ 3.6 41.
Phosphine PH3^ 10.4^ --
Phosphorus Pentafluoride PF5^ 2.9 --
Propane C3H8^ 8.1 34.
Propylene C3H6^ 8.3 --
Silane SiH4^ 11.1 -
Silicon Tetrachloride SiCI4^ 2.1 -
Silicon Tetrafluoride SiF4^ 3.4^ -
Sulfur Dioxide S02^ 5.6 64.
Sulfur Hexafluoride SF6^ 2.2 -
Sulfur Tetrafluoride SF4^ 3.2 -
Trichlorosilane SiHCI3^ 2.6 --
Trimethylamine C3H9N^ 5.5 -
Tungsten Hexafluoride WF6^ 1.1 --
Vinyl Bromide C2H3Br^ 3.2 --
Vinyl Methyl Ether C3H60^ 6.1 --
Xenon Xe^ 2.6 -
HC-12a (replacement for Freon-12) (by^ OZ tech).^ 6.2 -
If the compressed gas does not appear in this list:
- Divide 359 by the molecular weight of the gas.
2. Multiply the result by the quantity in pounds to convert to cubic feet.
To convert: To: (^) Do This: Liters (^) Gallons Divide By 3. Quarts Gallons Divide By 4 Gallons (^) Liters Multiply By 3. US Fluid Ounce Gallons Divide By 128 Grams Pounds (^) Divide By 454 Kilo~rams Pounds Multiply By (^) 2.
