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Substance

Flammability temperature °C

Ignition temperature °C

Min flammability limit, % in volume

Max flammability limit, % in volume

Acetylene

17.8

335

2.5

80

Acetone

-18

535

2.5

13

Benzene

-11

580

1.4

8

Butane

-60

287

1.6

8.5

Carbon disulfide

-30

100

1.3

44

Carbon monoxide

-

609

12

75

Chlorothene

32

410

8

10.5

Diesel fuel

65

220

0.6

6.5

Diethyl ether

-40

180

1.85

36.5

Ethane

-130

515

3

12.5

Ethanol

18

365

3.3

19

Ethylene

-136

450

2.7

28.6

Hexane

-22

225

1.2

7.7

Hydrazine

38

270

4.7

100

Hydrogen

-

560

4

75

Hydrogen cyanide

-18

540

5.6

40

Methane

-

540

5

15

Naphthalene

78

226

0.9

5.9

Petroleum

20

227

1.2

9

Propane

-104

450

2.3

9.5

Petrol

-21

250

1

6.5

Toluene

4

536

1.2

7.1