LDPI Class I gas Vapor

Flammable Limits

Vapor

Class I

Autoignition Temperatures

Flash Point

Percent by Volume

Density

Material

Group

°F

°C

°F

°C

Lower

Upper

(Air = 1.0)

Carbon Disulfide

* 3

194

90

-22

-30

1.3

50.0

2.6

Acetylene

A

581

305

gas

2.5

100.0

0.9

Formaldehyde (Gas)

B

795

429

gas

7.0

73.0

1.0

Fuels and Combustible
Process Gas (containing
more than 30% H 2 by
volume)

B

-

Hydrogen

B

968

520

gas

4.0

75.0

0.1

Propyl Nitrate

B

347

175

68

20

2.0

100.0

-

Acrolein (Inhibited) 1

B [C]

455

235

-15

-26

2.8

31.0

1.9

Ethrlene Oxide 1

B [C]

804

429

-20

-28

3.0

100.0

1.5

Propylene Oxide 1

B [C]

840

449

-35

-37

2.3

36.0

2.0

1.3-Butadiene 1

B [C]

788

420

gas

2.0

12.0

1.9

Acetaldehyde

C

347

175

-38

-39

4.0

60.0

1.5

Allyl Alcohol

C

713

378

70

21

2.5

18.0

2.0

Butyl Mercaptan

C

-

35

2

-

3.1

n-Butyraldehyde

C

425

218

-8

-22

1.9

12.5

2.5

Carbon Monoxide

C

1128

609

gas

12.5

74.0

1.0

Chloroacetaldehyde

C

190

88

-

1-Chloro - 1
Nitropropane

C

-

144

62

-

4.3

Crotonaldehyde

C

450

232

55

13

2.1

15.5

2.4

1.1-Dichloro - 1
Nitroethane

C

-

168

76

-

5.0

Dicylopentadiene

C

937

503

90

32

-

Diethyl Ether

C

320

160

-49

-45

1.9

36.0

2.6

Diethylamine

C

594

312

-9

-23

1.8

10.1

2.5

Diethylminoethanol

C

-

Diethylene Glycol
Monobutyl Ether

C

442

228

172

78

0.85

24.6

5.6

Diethylene Glycol Monomethyl Ether

C

465

241

205

96

-

N-N-Dimenthyl Aniline

C

700

371

145

63

-

4.2

Dimenthylamine

C

752

400

gas

2.8

14.4

1.6

1.4-Dioxane

C

356

180

54

12

2.0

22.0

3.0

Di-N-Propylamine

C

570

299

63

17

-

3.5

Dipropylene Glycol
Methyl Ether

C

-

186

86

-

5.1

Du-Isopropylamine

C

600

316

-

Epichlorohydan

C

772

411

88

31

3.8

21.0

3.2

Ethyl Mercaptan

C

572

300

< 0

< -18

2.8

18.0

2.1

n-Ethyl Moorpholine

C

-

2-Ethyl - 3-Propyl Acrolein

C

-

155

68

-

4.4

Ethylene

C

842

450

gas

2.7

36.0

1.0

Ethylene Glycol
Monobutyl Ether

C

460

238

143

62

1.1@200 °F

12.7@200 °F

4.1

Ethylene Glycol
Monobutyl Ether Acetate

C

645

340

160

71

0.88@200 °F

8.54@200 °F

-

Ethylene Glycol
Monoethyl Ether

C

455

235

110

43

1.7@200 °F

15.6@200 °F

3.0

Ethylene Glycol
Monoethyl Ether Acetate

C

715

379

124

52

1.7

-

4.72

Ethylenimine

C

608

320

12

-11

3.3

54.8

1.5

2-Ethylehexaldehyde

C

375

191

112

44

0.85@200 °F

7.2@200 °F

4.4

Furfural

C

600

316

140

60

2.1

19.3

3.3

Furfural Alcohol

C

915

490

167

75

1.8

16.3

3.4

Hydrazine

C

74 - 518

23 - 270

100

38

2.9

9.8

1.1

Hydrogen Cynaide

C

1000

538

0

-18

5.6

40.0

0.9

Hydrogen Sulfide

C

500

260

gas

4.0

44.0

1.2

Hydrogen Selenide

C

-

Isobutyraldehyde

C

385

196

-1

-18

1.6

10.6

2.5

Isodecalfehyde

C

-

-1

-18

-

5.4

Iso-octyl Alcohol

C

-

180

82

-

Iso-octyl Aldehyde

C

387

197

-

Methylacetylene

C

-

gas

1.7

-

1.4

Methylacetylene-
Propadiene (stabilized)

C

-

Methyl Ether

C

662

350

gas

3.4

27.0

1.6

Methyl Formal

C

460

238

-

Monomethyl Aniline

C

900

482

185

85

-

3.7

Monomethyl Hydrazine

C

382

194

17

-8

2.5

92.0

1.6

Morpholine

C

590

310

98

37

1.4

11.2

3.0

Nitroethane

C

778

414

82

28

3.4

-

2.6

Nitromethane

C

785

418

95

35

7.3

-

2.1

1-Nitropropane

C

789

421

75

24

2.6

11.0

3.1

2-Nitropropane

C

802

428

96

36

2.2

-

3.1

Propionaldehyde

C

405

207

-22

-30

2.6

17.0

2.0

n-Propyl Ether

C

419

215

70

21

1.3

7.0

3.53

Tetrahydrofuran

C

610

321

6

-14

2.0

11.8

2.5

Triethylamine

C

480

249

16

-9

1.2

8.0

3.5

Unsymmetrical Dimethyl
Hydrazine (UDMH)

C

480

249

5

-15

2.0

95.0

2.0

Valeraldehyde

C

432

222

54

12

-

3.0

Acetic Acid

D

867

464

103

39

4.0

19.9@200 °F

2.1

Acetic Anhydride

D

600

316

120

49

2.7

10.3

3.5

Acetone

D

869

465

-4

-20

2.5

13.0

2.0

Acetone Cyanohydrin

D

1270

688

165

74

2.2

12.0

2.9

Acetonitrile

D

975

524

42

6

3.0

16.0

1.4

Acrylic Acid

D

820

438

122

50

2.4

8.0

2.5

Acrylionitrile

D

898

481

32

0

3.0

17.0

1.8

Adiponitrile

D

-

200

93

-

Allyl Chlordie

D

905

485

-25

-32

2.9

11.1

2.6

Alpha-Methyl Styrene

D

1066

574

129

54

1.9

6.1

-

Ammonia 2

D

928

498

gas

15.0

28.0

0.6

n-Amyl Acetate

D

680

360

60

16

1.1

7.5

4.5

Aniline

D

1139

615

158

70

1.3

11.0

3.2

Benzene

D

928

498

12

-11

1.3

7.9

2.8

Benzyl Chloride

D

1085

585

153

67

1.1

-

4.4

Butane

D

550

288

-76

-60

1.6

8.4

2.0

1-Butanol

D

650

343

98

37

1.4

11.2

2.6

2-Butanol

D

761

405

75

24

1.7@212 °F

9.8@212 °F

2.6

Iso-butyl Acetate

D

790

421

-

n-Butyl Acetate

D

790

421

72

22

1.7

7.6

4.0

sec-Butyl Acetate

D

-

88

31

1.7

9.8

4.0

n-Butyl Acrylate (inhibited)

D

559

293

118

48

1.5

9.9

4.4

n-Butyl Glycidyl Ether 1

D

132

55

-

n-Butylacetate

D

790

421

-

n-Butylacetate (inhibited)

D

559

293

-

Butylamine

D

594

312

10

-12

1.7

9.8

2.5

Butylene

D

725

385

gas

1.6

10.0

1.9

n-Butyric Acid

D

830

443

161

72

2.0

10.0

3.0

Chlorobenzene

D

1099

593

82

28

1.3

9.6

3.9

Chloroprene

D

-

-4

-20

4.0

20.0

3.0

Cresol

D

1038 - 1110

559 - 599

178 - 187

81 - 86

1.1 - 1.4

-

Cumene

D

795

424

96

36

0.9

6.5

4.1

Cyclohexane

D

473

245

-4

-20

1.3

8.0

2.9

Cylcohexanol

D

572

300

154

68

-

3.5

Cyclohexanone

D

473

245

111

44

1.1@212 °F

9.4

3.4

Cyclohexene

D

471

244

< 20

< -7

-

2.8

Cyclopropane

D

938

503

gas

2.4

10.4

1.5

p-Cymene

D

817

436

117

47

0.7@212 °F

5.6

4.6

n-Decanol

D

550

288

180

82

-

5.5

Decene

D

455

235

< 131

< 55

-

4.84

Diacetopne Alcohol

D

1118

603

148

64

1.8

6.9

4.0

o-Dichloroethane

D

1198

647

151

66

2.2

9.2

5.1

1.1-Dichloroethane

D

820

438

22

-6

5.6

-

1.2-Dichloroethylene

D

860

460

36

2

5.6

12.8

3.4

1.3-Dichloropropene

D

-

95

35

5.3

14.5

3.8

Diethyl Benzene

D

743 - 842

395 - 450

133 - 135

56 - 57

-

4.6

Di-Isobutyl Kelone

D

745

396

120

49

0.8@200 °F

7.1@200 °F

4.9

Di-Isobutylene

D

736

391

23

-5

0.8

4.8

3.9

Dimethyl Formamide

D

833

455

136

58

2.2@212 °F

15.2

2.5

Dipenlene

D

458

237

113

45

0.7@302 °F

6.1@302 °F

4.7

Dimethyl Sulfate

D

370

188

-

Dodecene

D

491

255

-

Ethane

D

882

472

gas

3.0

12.5

1.0

Ethanol

D

685

363

55

13

3.3

\19

1.6

Ethyl Acetate

D

800

427

24

-4

2.0

11.5

3.0

Ethyl Acetate (inhinited)

D

702

372

50

10

1.4

14.0

3.5

Ethyl Benzene

D

810

432

70

21

0.8

6.7

3.7

Ethyl Butanol

D

-

Ethyl Butyl Ketone

D

-

115

46

-

4.0

Ethyl Chloride

D

966

519

-58

-50

3.8

15.4

2.2

Ethyl Formate

D

851

455

-4

-20

2.8

16.0

2.6

2-Ethyl Hexyl

D

448

231

164

73

0.9

9.7

4.5

2-Ethyl Hexyl Acrylate

D

485

252

180

82

-

Ethyl Silicate

D

-

125

52

-

7.2

Ethylamine

D

725

385

< 0

< -18

3.5

14.0

1.6

Ethylene Chlorohydrin

D

797

425

140

60

4.9

15.9

2.8

Ethylene Dichloride

D

775

413

56

13

6.2

16.0

3.4

Ethylene Glycol Monomethyl Ether

D

545

285

102

39

1.8@STP

14@STP

1.5

Ethylenediamine

D

725

385

104

40

2.5

12.0

2.1

Formic Acid (90%)

D

813

434

122

50

18.0

57.0

1.6

Fuel Oils

D

410 - 765

210 - 407

100 - 336

38 - 169

0.7

5.0

-

Gasoline

D

536 - 880

280 - 471

-36 to -50

-38 to -48

1.2 - 1.5

7.1 - 7.6

3.4

Heptane

D

399

204

25

-4

1.1

6.7

3.5

Heptene

D

500

260

< 32

< 0

-

3.39

Hexane

D

437

225

-7

-22

1.1

7.5

3.0

Hexanol

D

-

145

63

-

3.5

2-Hexanone

D

795

424

77

25

-

8.0

3.5

Hexenes

D

473

245

< 20

< -7

-

3.0

sec-Hexyl Acetate

D

-

Isoamyl Acetate

D

680

360

77

25

1.0@212 °F

7.5

4.5

Isoamyl Alcohol

D

662

350

109

43

1.2

9.0@212 °F

3.0

Isobutyl Acrylate

D

800

427

86

30

-

4.42

Isophorone

D

860

460

184

84

0.8

3.8

-

Isopropene

D

428

220

-65

-54

1.5

8.9

2.4

Isopropyl Acetate

D

860

460

35

2

1.8@100 °F

8.0

3.5

Isopropyl Ether

D

830

443

-18

-28

1.4

7.9

3.5

Isopropyl Glycidyl Ether

D

-

Isopropylacetate

D

860

460

-

Isopropropylamine

D

756

402

-35

-37

-

2.0

Kerosene

D

410

210

110 - 162

43 - 72

0.7

5.0

-

Liquified Petroleum
Products

D

761 - 842

405 - 540

-

Mesityl Oxide

D

652

344

87

31

1.4

7.2

3.4

Methane

D

999

537

gas

5.0

15.0

0.6

Methanol

D

725

385

52

11

6.0

36.0

1.1

Methyl Acetate

D

850

454

14

-10

3.1

16.0

2.8

Methyl Acrylate

D

875

468

27

-2

2.8

25.0

3.0

Methyl Amyl Alcohol

D

-

106

41

1.0

5.5

-

Methyl n-Amyl Ketone

D

740

393

102

39

1.1@151 °F

7.9@250 °F

3.9

Methyl Ethyl Ketone

D

759

404

16

-9

1.7@200 °F

11.4@200 °F

2.5

Methyl Formate

D

840

449

-2