Index
Chemical name
Alternative name
Formula
CAS no.
IE, eV
Response Factor (RF)
10.6 eV
E2648-PID-40
(ppb)
E2648-PID-200
(ppb)
126 Hydrogen selenide
H2Se
7783-07-5
9.88
2
127 Hydrogen sulfide
H2S
7783-06-4
10.46
4
128 Hydroquinone
C6H6O2
123-31-9
7.94
0.8
4
80
129 Isooctane
2,2,4-trimethylpentane
C8H18
540-84-1
9.86
1.1
5
100
130 Isooctanol
C8H18O
26952-21-6
~9.8
1.7
9
170
131 Isopentane
C5H12
78-78-4
10.32
4
30
600
132 Isopentanol
C5H12O
137-32-6
9.86
2
133 Isopentene
C5H10
563-46-2
9.12
0.8
134 Iodoform
triiodomethane
CHI3
75-47-8
9.25
1.5
8
150
135 Iodomethane
methyl iodide
CH3I
74-88-4
9.54
0.4
2
40
136 Isoalkanes, C10-C13
C8H18O
68551-17-7
~9.6
1
137 Isobutane
C4H10
75-28-5
10.57
8
40
800
138 Isobutanol
C4H10O
78-83-1
10.12
3
20
350
139 Isobutyl acetate
C6H12O2
110-19-0
9.9
2
10
230
140 Isobutyl acrylate
C7H12O2
106-63-8
~9.5
1.2
7
130
141 Isooctane
2,2,4-trimethylpentane
C8H18
540-84-1
9.86
1.1
5
100
142 Isooctanol
C8H18O
26952-21-6
~9.8
1.7
9
170
143 Isopentane
C5H12
78-78-4
10.32
4
30
600
144 Isopentanol
C5H12O
137-32-6
9.86
2
145 Isopentene
C5H10
563-46-2
9.12
0.8
146 Isoprene
2-methyl-1,3-butadiene
C5H8
78-79-5
8.85
0.8
3
70
147 Isopropanol
IPA, 2-propanol
C3H8O
67-63-0
10.17
4
22
440
148 Isovaleraldehyde
C5H10O
590-86-3
9.72
1.3
149 Isovaleric Acid
C5H10O2
503-74-2
~10.2
5.5
150 Methane
natural gas
CH4
74-82-8
12.51
NR
151 Methanol
CH4O
67-56-1
10.85
NR
1000
20000
152 Methyl ethyl ketone
MEK, Butan-2-one
C4H8O
78-93-3
9.51
0.96
4
80
153 Methyl ethyl ketone peroxides
MEKP
C8H18O6
1338-23-4
~9
0.8
4
80
154 Methyl formate
C2H4O2
107-31-3
10.82
NR
155 Methyl mercaptan
CH4S
74-93-1
9.44
0.7
4
70
156 Methylamine
CH5N
74-89-5
8.97
1.5
7
140
157 Mineral oil
8042-47-5
~9
0.8
4
80
158 Mineral spirits
Stoddard solvent, Varsol,Viscor
64475-85-0
~9
0.8
4
80
159 Naphthalene
C10H8
91-20-3
8.14
0.4
2
45
160 Neopentane
tetramethylmethane
C5H12
207-343-7
10.21
3
161 Neopentyl alcohol
C5H12O
75-84-3
9.72
2
162 Nitric oxide
NO
10102-43-9
9.27
8
40
800
163 Nitrobenzene
C6H5NO2
98-95-3
9.92
1.7
10
170
164 Nitroethane
C2H5NO2
79-24-3
10.88
NR