Page 383 - Pipeline Risk Management Manual Ideas, Techniques, and Resources

358 Typical Pipeline Products
~
Product
~ ~
Vinyl Chloride 7 2 4 1 10
Water 212 0 0 0 0
Source: Dow Chemical. Fire and Explosion lndex Hazard Classification Guide, 6th ed.. Dow Chemical Co., May 1987.
'Based on 1991 CERCLA reportable quantities (RQ) and Figure 7.4 with the following:

None 0
5000 2
IO00 4
100 6
10 8
1 10
when at temperatures higher than the boiling point.

Liquid
Vapor specific Gas specific
pressure gravity @ gmvity @ Lower Upper
Boiling (psia, 1 atm and 1 atm and flammability flammability
Compound Formula MW('F) pointj'F) 100°F) 60% 60 "F limit (voI%) Iimit (~01%)
Air 28.966 -317.7 1
Ammonia 17.032 -28.1 211.9 0.6173 0.588 15.5 27
Benzene 78.108 176.185 3.224 0.8846 2.6965 1.41 6.75
1,2-Butadiene 54.088 50.5 20 0.658 1.8673
1,3-Butadiene 54.088 24.06 60 0.6272 1.8673
I-Butene 56.104 20.73 63.05 0.601 1 1.9368
n-Butane 58.12 31.1 51.6 0.5844 2.071 1.86 8.41
Carbon dioxide 44.101 -109.3 0.8159 1.5194
Carbon monoxide 28.01 -313.6 0.801 0.967 12.5 74.2
Chlorine 70.914 30.3 154 1.423 2.4482
Ethane 30.068 -127.53 1.046 3.22 12.45
Ethene 28.052 -154.68 0.9684 3.05 28.6
(ethylene)
Ethyl alcohol 46.069 173.3 2.3 0.794 1.5905 3.28 18.95
Ethylbenzene 106.16 277.137 0.3706 0.8718 3.665
Ethyne 26.036 -1 19 0.615 0.8988
(acetylene)
Hydrogen 2.016 -422.9 0.0696 4 74.2
Hydrogen chloride 36.465 -121 900 0.8558 1.268
Hydrogen sulfide 34.076 -76.5 554.6 0.79 1.1764 4.3 45.5
Methane 16.042 -258.68 0.555 5 15
Methyl alcohol 32.042 148.1 4.6 0.796 1.1062 6.72 36.5
Nitrogen 28.016 -320.4 0.9672
Oxygen 32 -297.4 1.1047
Propane 44.094 43.73 190 0.5077 1.547 2.37 9.5
Propene 42.078 -53.86 226.4 0.5218 1.4526 2 11.1
Styrene (phenyl 104.144 293.4 0.24 0.91 11 3.5954 1.1 6.1
ethylene)
Toluene 92.134 23 1.121 1.032 0.8719 3.1808 1.27 6.75
Water 18.016 212 0.9492 1 0.622
Source: McAllister, E., Pipeline Rules Thumb, 5th ed.. Houston, TX: Gulf Publishing Co., 1998.