추억스케치
NFPA 704 Flammability rating 본문
- NFPA 704 flammability rating 1
Substance | LFL/LEL in % by volume of air | UFL/UEL in % by volume of air | NFPA Class | Minimum ignition energy in mJ expressed as percent by volume in air (Note, for many chemicals it takes the least amount of ignition energy midpoint between | Autoignition temperature | |
| 54.7 |
|
| 552 °C | ||
Dichloromethane, methylene chloride | 16 | 66 |
| Non flammable |
|
|
5.5 | 21.3 |
| -126.1 °C[21] |
|
| |
1 | 6 |
| 49 °C |
|
| |
4 | 21 |
| 31 °C |
|
| |
3 | 18 |
| 43 °C |
|
| |
2 | 8 |
| 56 °C |
|
| |
1.0 | 7.1 |
| 15–20 °C |
|
| |
3 | 22 |
| 111 °C |
|
| |
0.7[3] | 5 |
|
|
|
| |
3 | 19 |
| 199 °C |
|
| |
Heptane, n-heptane | 1.05 | 6.7 |
| -4 °C | 0.24 @ 3.4% | 204–215 °C |
Hexane, n-hexane | 1.1 | 7.5 |
| -22 °C | 0.24 @ 3.8% | 225 °C, 233 °C[2] |
2 | 11 |
| 28 °C |
|
| |
1 | 4 |
| 84 °C |
|
| |
3 | 16 |
| -10 °C |
|
| |
0.7[2] | 6.5 |
| 38–43 °C |
| 258 °C | |
1.19[3] | 7.58 |
| −29 °C |
| 425 °C | |
2 | 34 |
| 4 °C |
| 60 °C | |
7.3 | 22.2 |
| 35 °C |
| 379 °C | |
1 | 7 |
| 13 °C |
|
| |
0.79 | 5.94 |
|
|
|
| |
2 | 8 |
| 13 °C |
|
| |
2 | 12 |
| 20 °C |
|
| |
|
|
| -20 °C |
| -20 °C | |
2.6 | 13.4 |
| −8 °C |
|
| |
3.6 | 33 |
|
|
|
| |
4.0 | 57.0 | IA | -39 °C | 0.37 | 175 °C | |
2.5 | 82 | IA | -18 °C | 0.017 @ 8.5% (in pure oxygen 0.0002 @ 40%) | 305 °C | |
4.5–5.1[3] | 78 | IA | Flammable gas |
|
| |
2.0 | 12 | IA | -85 °C | 0.13 @ 5.2% |
| |
1.6 | 8.4 | IA | -60 °C | 0.25 @ 4.7% | 420–500 °C | |
Butylene, 1-butylene, 1-butene | 1.98[3] | 9.65 | IA | -80 °C |
|
|
12[3] | 75 | IA | -191 °C Flammable gas |
| 609 °C | |
|
| IA | Flammable gas |
|
| |
6.2 | 17.9 | IA | -65 °C Flammable gas |
|
| |
6.0–6.6[6] | 32–42.6 | IA | Flammable gas |
|
| |
1.8 | 11.1 | IA | -63.9 °C[7] |
| 426.7 °C | |
2.4 | 10.4 | IA | -94.4 °C[13] | 0.17 @ 6.3% | 498 °C | |
0.8 | 88 | IA | -90 °C Flammable gas[14] |
| 38 °C | |
6.5 | 15.5 | IA | -10 °C Flammable gas |
|
| |
4 - 4.7 | 96 | IA | -28 °C | 0.015 |
| |
1.9–2 | 36–48 | IA | -45 °C | 0.19 @ 5.1% | 160–170 °C | |
3.7 | 18 | IA | -81.1 °C[20] |
|
| |
2.8 | 14.4 | IA | Flammable gas |
|
| |
|
| IA | -49 °C |
|
| |
3[3] | 12–12.4 | IA | Flammable gas -135 °C |
| 515 °C | |
2 | 12 | IA | -4 °C |
| 460 °C | |
3.5 | 14 | IA | -17 °C |
|
| |
2.7 | 36 | IA |
| 0.07 | 490 °C | |
3 | 100 | IA | −20 °C |
|
| |
3.8[3] | 15.4 | IA | −50 °C |
|
| |
|
| IA |
|
|
| |
2 | 14 | IA | -36 °C |
|
| |
4/18.3[22] | 75/59 | IA | Flammable gas | 0.016 @ 28% (in pure oxygen 0.0012) | 500–571 °C | |
4.3 | 46 | IA | Flammable gas | 0.068 |
| |
1.8[3] | 9.6 | IA | Flammable gas |
| 462 °C | |
|
| IA |
|
|
| |
|
| IA |
|
|
| |
Methane (natural gas) | 4.4–5 | 15–17 | IA | Flammable gas | 0.21 @ 8.5% | 580 °C |
|
| IA | 8 °C |
|
| |
10.7[3] | 17.4 | IA | -46 °C |
|
| |
|
| IA | −41 °C |
|
| |
|
| IA |
|
|
| |
|
| IA |
|
|
| |
3.9 | 21.8 | IA | -53 °C |
|
| |
1.5 | 7.8 | IA | -40 to -49 °C | as 2-Pentane 0.18 @ 4.4% | 260 °C | |
1.4 | 7.8 | IA |
| 0.28 @ 3.3% |
| |
1.32[3] | 9.16 | IA |
|
| 420 °C | |
|
| IA |
|
|
| |
2.1 | 9.5–10.1 | IA | Flammable gas | 0.25 @ 5.2% (in pure oxygen 0.0021) | 480 °C | |
2.0 | 11.1 | IA | -108 °C | 0.28 | 458 °C | |
2.3 | 36 | IA |
|
|
| |
1.5[3] | 98 | IA |
|
| <21 °C | |
|
| IA |
|
|
| |
|
| IA | Flammable gas |
|
| |
|
| IA |
|
|
| |
2.6–3 | 12.8–13 | IB | -17 °C | 1.15 @ 4.5% | 465 °C, 485 °C[2] | |
|
| IB | 2 °C |
| 524 °C | |
7.3 | 19 | IB | 5 °C |
| 390 °C | |
2.8 | 31 | IB | -26 °C | 0.13 |
| |
3.0 | 17.0 | IB | 0 °C | 0.16 @ 9.0% |
| |
2.9 | 11.1 | IB | -32 °C | 0.77 |
| |
1.2 | 7.8 | IB | -11 °C | 0.2 @ 4.7% | 560 °C | |
n-Butyl acetate, butyl acetate | 1–1.7[2] | 8–15 | IB | 24 °C |
| 370 °C |
n-Butyl chloride, 1-chlorobutane | 1.8 | 10.1 | IB | -6 °C | 1.24 |
|
1.4[4] | 10.2 | IB | 2 °C |
| 225 °C | |
1.0 | 50.0 | IB | -30 °C | 0.009 @ 7.8% | 90 °C | |
1.3 | 7.8–8 | IB | -18 °C to -20 °C[8] | 0.22 @ 3.8% | 245 °C | |
|
| IB | 0 °C | 0.67 | 640 °C | |
1.5–2 | 9.4 | IB | 0.54 | 361 °C | ||
6 | 11 | IB | 14 °C |
|
| |
6 | 16 | IB | 13 °C |
| 413 °C | |
2 | 13 | IB | 169 °C |
|
| |
1.8 | 10.1 | IB | -23 to -26 °C |
| 312 °C | |
|
| IB | -10 °C[19] |
|
| |
1 | 21 | IB | -28 °C |
|
| |
|
| IB |
|
|
| |
2 | 22 | IB | 12 °C |
|
| |
Ethanol, ethyl alcohol | 3–3.3 | 19 | IB | 12.8 °C (55 °F) |
| 365 °C |
1.4 | 7.6 | IB | < −40 °C (−40 °F) |
| 246–280 °C | |
Isopropyl alcohol, isopropanol | 2[3] | 12 | IB | 12 °C |
| 398–399 °C; 425 °C[2] |
Methyl alcohol, methanol | 6–6.7[3] | 36 | IB | 11 °C |
| 385 °C; 455 °C[2] |
1.8[3] | 10 | IB | -6 °C |
| 505–515 °C[2] | |
1.1 | 6.1 | IB | 31–32.2 °C |
| 490 °C | |
2 | 12 | IB | -14 °C |
| 321 °C | |
1.2–1.27 | 6.75–7.1 | IB | 4.4 °C | 0.24 @ 4.1% | 480 °C; 535 °C[2] | |
Butyl alcohol, butanol | 1 | 11 | IC | 29 °C |
|
|
1.4[2] | 11.2 | IC | 35 °C |
| 340 °C | |
1[5] | 8 | IC | 25 °C |
| 423 °C | |
1.8 | 10.8 | IC | 31–37.7 °C |
| 310 °C | |
0.8[23] |
| IC | 35 °C |
|
| |
0.9–1.0 | 6.7–7.0 | IC | 27–32 °C | 0.2 |
| |
1.1[2] | 7 | IC | 25 °C |
| 525 °C | |
|
| IC | 17 °C |
|
| |
1.0 | 6.0 | IC | 27.2 °C |
| 530 °C | |
Acetic acid (glacial) | 4 | 19.9 | II | 39 °C to 43 °C |
| 463 °C |
|
| II | 54 °C |
|
| |
1–1.1 | 9–9.4 | II | 43.9–44 °C |
| 420 °C[9] | |
0.8 | 5.4 | II | 46.1 °C |
| 210 °C | |
1.2 |
| II | 38.9 °C[18] |
|
| |
0.6–0.7 | 4.9–5 | II | >38 °C (100 °F) as jet fuel |
| 210 °C | |
1 | 9 | IIIA | 68 °C |
| 300 °C | |
o-Dichlorobenzene, 1,2-dichlorobenzene | 2[15] | 9 | IIIA | 65 °C |
| 648 °C |
0.6 | 7.5 | IIIA | >62 °C (143 °F) |
| 210 °C | |
|
| IIIA |
|
|
| |
0.9[3] | 5.9 | IIIA | 79–87 °C |
|
| |
2 | 9 | IIIA | 88 °C |
|
| |
15 | 28 | IIIB | 11 °C | 680 | 651 °C | |
2.6–3 | 42 | IIIB | 88–95 °C |
| 215 °C | |
|
| IIIB | 327 °C (620 °F) |
|
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See also[edit source | editbeta]