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preface to fifteenth edition

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5.146 SECTION 5<br />

TABLE 5.23<br />

Properties of Combustible Mixtures in Air (Continued)<br />

Substance<br />

Au<strong>to</strong>ignition<br />

temperature, C<br />

Flammable (explosive)<br />

limits, percent by<br />

volume of fuel (25C,<br />

760 mm)<br />

Lower<br />

Upper<br />

Pentane 260 1.5 7.8<br />

1,5-Pentanediol 335<br />

Pentanoic acid 400<br />

1-Pentanol 300 1.2 10.0<br />

2-Pentanol 343<br />

3-Pentanol 435 1.2 9.0<br />

2-Pentanone (methyl propyl ke<strong>to</strong>ne) 452 1.5 8.2<br />

3-Pentanone (diethyl ke<strong>to</strong>ne) 450 1.6<br />

1-Pentene 275 1.5 8.7<br />

Pentyl acetate 360 1.1 7.5<br />

Pentylamine 2.2 22<br />

Petroleum ether (solvent naphtha) 288 1.1 5.9<br />

Phenol 715 1.8 8.6<br />

Phosphorus, red 260<br />

Phosphorus, white 30<br />

Phosphorus pentasulfide 142<br />

o-Phthalic anhydride 570 1.7 10.4<br />

Picric acid<br />

300 (explodes)<br />

-Pinene 275<br />

-Pinene 275<br />

Piperidine 1 10<br />

1-Propanal 207 2.6 17<br />

1-Propanamine (propylamine) 318 2.0 10.4<br />

Propane 450 2.1 9.5<br />

1,2-Propanediol 371 2.6 12.5<br />

1,3-Propanediol 400<br />

Propanenitrile 512 3.1 14<br />

1,2,3-Propanetriol (glycerol) 370 3 19<br />

1,2,3-Propanetriol triacetate (triacetin) 433 1.0<br />

Propanoic acid 465 2.9 12.1<br />

Propanoic anhydride 285 1.3 9.5<br />

1-Propanol 412 2.2 13.7<br />

2-Propanol 399 2.0 12.7<br />

Propene 460 2.4 10.1<br />

Propyl acetate 450 1.7 8<br />

Propylbenzene 450 0.8 6.0<br />

Propyl formate 455<br />

Propyl nitrate 175 2 100<br />

Propyne 1.7<br />

Pyridine 482 1.8 12.4<br />

Quinoline 480<br />

Sodium<br />

115 (dry air)<br />

Styrene 490 0.9 6.8<br />

Sulfur (di-) dichloride 233<br />

1,1,2,2-Tetrabromoethane 335<br />

Tetrabromoethylene 335<br />

1,1,1,2-Tetrachloroethane 5 12

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