Biotech, chemical, petrochemical & pharmaceutical - HiQ® Specialty ...

HiQ ® specialty gas program – Biotech, chemical, petrochemical & pharmaceutical
Physical data
Gas name
Boiling point (1 atm) Critical point Flammability in air
Temp.
°F
Heat of
vaporization
70 °F BTU/lb
Temp.
°F
Pressure
psi(a)
Density
lb/ft 3
Lower
limit
% volume
Upper
limit
% volume
Acetylene –119.45 126.391 95.33 890.42 14.39 2.2 85.0
Air, synthetic –317.81 –221.24 547.38 19.54 — —
Ammonia –28.15 508.275 270.52 1,635.77 14.67 15.0 27.0
Argon –302.55 –188.10 710.43 33.44 n.a. n.a.
Arsine –80.44 70.307 211.75 950.02 49.75 5.8 n.a.
Boron trichloride 54.52 85.871 353.86 561.40 49.31 n.a. n.a.
Boron trifluoride –147.62 9.97 723.06 34.24 n.a. n.a.
1,3-Butadiene 24.08 167.210 306.02 628.01 15.29 2.0 12.0
n-Butane 31.12 156.668 305.67 550.71 14.23 1.8 8.4
iso-Butane 10.92 143.318 275.00 529.11 13.81 1.8 8.4
1-Butene 20.77 159.146 295.61 583.01 14.60 1.6 10.0
cis-2-Butene 38.72 171.736 324.39 610.01 14.97 1.7 9.7
iso-Butene 19.62 157.215 292.57 580.02 14.66 1.8 9.6
trans-2-Butene 33.60 166.781 311.88 595.02 14.71 1.7 9.7
Carbon dioxide –69.81 61.891 87.89 1,070.62 29.23 n.a. n.a.
Carbon monoxide –312.59 –220.39 507.47 18.78 12.5 74.0
Carbonyl sulfide –58.25 107.332 222.19 920.87 27.76 12.0 29.0
Chlorine –29.23 108.285 291.22 1,118.38 35.77 n.a. n.a.
Cyanogen chloride 55.20 183.806 348.55 868.80 23.54
Cyclopropane –26.98 176.402 256.59 808.59 16.14
Deuterium –417.07 –390.62 241.01 4.18 5.0 75.0
Diborane –134.48 61.99 587.85 9.98 0.9 98.0
Dichlorosilane 46.96 104.154 348.55 642.53 27.66 4.1 98.8
Dimethylamine 44.40 244.023 328.12 770.08 15.05 2.8 14.4
Dimethyl ether –12.69 177.401 260.53 778.90 16.92 3.4 27.0
2,2-Dimethylpropane 49.12 131.442 1.4 7.5
Ethane –127.46 86.369 90.11 707.81 12.69 3.0 12.4
Ethene –154.60 48.60 729.82 13.57 3.1 32.0
Ethylene oxide 51.28 245.385 384.82 1043.44 19.60 3.0 100.0
Ethylamine 61.86 257.945 361.42 815.64 15.46
Ethyl chloride
Fluorine –306.74 –199.89 756.42 35.83 n.a. n.a.
Helium –452.05 –450.29 33.00 4.36 n.a. n.a.