ESTIMATED CARTRIDGE BREAKTHROUGH TIME FOR THE

US SAFETY 158-T-20 ORGANIC VAPOR CARTRIDGE PAIR

MEDIUM WORK RATE, 22 oC AND LESS THAN 65 % RH

Chemical

CAS No.

ESTIMATED CARTRIDGE SERVICE LIFE IN HOURS AT

10
ppm

50
ppm

100
ppm

500
ppm

1000
ppm

Acetic anhydride

108-24-7

137

47

29

10

6.3

Acetone

67-64-1

36

12

7.7

2.6

1.7

Acrylonitrile

107-13-1

48

16

10

3.5

2.2

Allyl acetate

591-87-7

84

29

18

6.1

3.8

Allyl alcohol

107-18-6

73

25

16

5.3

3.3

Allyl chloride

107-05-1

34

12

7.3

2.5

1.6

Benzene

71-43-2

81

27

17

5.9

3.7

Bromobenzene

108-86-1

139

47

30

10

6.3

Butanol

71-36-3

127

43

27

9.3

5.8

Butanol, 2-

78-92-2

106

36

23

7.7

4.9

Butanone, 2-

78-93-3

80

27

17

5.8

3.7

Butyl acetate

123-86-4

85

29

18

6.2

3.9

Butyl acetate, sec

105-46-4

92

31

20

6.7

4.2

Butylamine

109-73-9

107

37

23

7.8

4.9

Carbon tetrachloride

56-23-5

85

29

18

6.2

3.9

Chlorobenzene

108-90-7

118

40

25

8.6

5.4

Chlorobutane, 1-

109-69-3

80

27

17

5.8

3.6

Chlorocyclopentane

930-28-9

86

29

18

6.3

3.9

Chloroform

67-66-3

37

12

7.8

2.7

1.7

Chloroheptane, 1-

629-06-1

91

31

19

6.6

4.1

Chlorohexane, 1-

544-10-5

85

29

18

6.2

3.9

Chloromethyl heptane, 3-

70

24

15

5.1

3.2

Chloropentane, 1-

543-59-9

83

28

18

6.0

3.8

Chloropropane, 1-

540-54-5

28

9.4

5.9

2.0

1.3

Chloropropane, 2-

75-29-6

29

10

6.2

2.1

1.3

Chlorotoluene, o-

98-88-4

113

38

24

8.2

5.2

Chloro-2-methylbutane, 2-

594-36-5

65

22

14

4.7

3.0

Chloro-2-methylpropane, 2-

507-20-0

41

14

9

3.0

1.9

Cumene

98-82-8

90

30

19

6.5

4.1

Cycloheptatriene, 1,3,5-

544-25-2

118

40

25

8.6

5.4

Cyclohexane

110-82-7

67

23

14

4.9

3.1

Cyclohexanone

108-94-1

123

42

26

8.9

5.6

Cyclohexene

110-83-8

84

29

18

6.1

3.8

Cyclohexylamine

108-91-8

109

37

23

8.0

5.0

Cyclooctane

292-64-8

95

32

20

6.9

4.3

Cyclopentanone

120-92-3

138

47

29

10.0

6.3

Cymene, p-

99-87-6

84

29

18

6.1

3.8

Decane

124-18-5

69

24

15

5.0

3.2

Dibromoethane, 1,2-

106-93-4

138

47

29

10

6.3

Dibromomethane

74-95-3

80

27

17

5.8

3.7

Dibutylamine

111-92-2

74

25

16

5.4

3.4

Dichlorobenzene, 1,2-

95-50-1

121

41

26

8.8

5.5

Dichlorobutane, 1,4-

110-56-5

120

41

26

8.7

5.5

Dichloroethane, 1,1-

25

8.7

5.4

1.9

1.2

Dichloroethane, 1,2-

107-06-2

60

20

13

4.3

2.7

Dichloroethylene, 1,2-cis

156-59-2

33

11

7.1

2.4

1.5

Dichloroethylene, 1,2-trans

156-60-5

37

12

7.8

2.7

1.7

Dichloromethane

75-09-2

11

3.8

2.4

0.8

0.5

Dichloropropane, 1,2-

78-87-5

72

24

15

5.2

3.3

Dichloropropene, 1,3-cis, trans

542-75-6

95

32

20

6.9

4.4

Diethylamine

109-89-7

86

29

18

6.3

3.9

Diisobutyl ketone

108-83-8

69

24

15

5.0

3.2

Diisopropylamine

108-18-9

75

26

16

5.5

3.4

Dimethylamine

124-40-3

17

5.6

3.5

1.2

0.8

Dimethylbutane, 2,3-

79-29-8

70

24

15

5.1

3.2

Dipropylamine

142-84-7

91

31

19

6.6

4.2

Epichlorohydrin

106-89-8

95

32

20

6.9

4.4

Ethanol

64-17-5

31

11

6.6

2.3

1.4

Ethoxyethanol, 2-

110-80-5

85

29

18

6.2

3.9

Ethoxyethlyacetate, 2-

111-15-9

89

30

19

6.4

4.0

Ethyl acetate

141-78-6

74

25

16

5.4

3.4

Ethyl benzene

100-41-4

93

32

20

6.8

4.2

Ethyl chloride

75-00-3

6.6

2.3

1.4

0.5

0.3

Ethylamine

75-04-7

40

14

9

2.9

1.8

Ethylidene, 5 - norbornene, 2-

16219-75-3

85

29

18

6.2

3.9

Ethyl-1-butanol, 2-

97-95-0

85

29

18

6.2

3.9

Heptane

142-82-5

76

26

16

5.5

3.5

Heptanone, 2-

110-43-0

99

34

21

7.2

4.5

Heptanone, 3-

106-35-4

89

30

19

6.5

4.1

Hexane

110-54-3

51

17

11

3.7

2.3

Hexyl acetate

142-92-7

74

25

16

5.4

3.4

Isopentyl acetate

123-92-2

79

27

17

5.7

3.6

Isopropanol

67-63-0

60

20

13

4.3

2.7

Isopropenyl acetate

108-22-5

90

30

19

6.5

4.1

Isopropyl acetate

108-21-4

72

24

15

5.2

3.3

Isopropylamine

75-31-0

64

22

14

4.7

2.9

Mesityl oxide

141-79-7

119

41

25

8.7

5.4

Mesitylene

108-67-8

95

32

20

6.9

4.4

Methanol

67-56-1

0.2

0.1

0.05

0.02

0.01

Methoxyethanol, 2-

109-86-4

128

44

27

9.3

5.9

Methoxyethylacetate, 2-

110-49-6

103

35

22

7.5

4.7

Methyl acetate

79-20-9

37

12

7.8

2.7

1.7

Methyl chloride

74-87-3

0.06

0.02

0.01

0.004

0.003

Methyl chloroform

71-55-6

44

15

9

3.2

2.0

Methyl iodide

74-88-4

12

4.0

2.5

0.9

0.5

Methylamine

74-89-5

12

4.0

2.5

0.9

0.5

Methylcyclohexane

108-87-2

67

23

14

4.9

3.1

Methylcyclohexanone, 4-

589-92-4

108

37

23

7.9

5.0

Methylcyclopentane

96-37-7

61

21

13