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Appendix C 371<br />

Typical Properties of Alcohols<br />

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Parameters Methanol Ethanol Isopropanol<br />

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Formula CH 3 OH CH 3 CH 2 OH (CH 3 ) 2 CHOH<br />

Molecular Weight 32.04 46.07 60.09<br />

Specific Gravity (60°F.60°F) 0.796 0.794 0.789<br />

Boiling Temperature (°F) 149 172 180<br />

Flash Point (°F) 52 55 53<br />

Lower Heating Value (Btu/lbm) 8,570 11,500 19,070<br />

Autoignition Temperature (°F) 867 793 750<br />

Flammability Limits (Vol. %)<br />

Lower 6.7 4.3 2.0<br />

Higher 36.0 19.0 12.0<br />

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