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Gas or Vapor to Measured
Tube No.
Gastec Tube Name Measuring
Range
(ppm)
Shelf
Life
(years)
Note    
Acetaldehyde
92
Acetaldhyde
5-750
2*
T
   
92M
Acetaldhyde
2.5-100
2*
   
92L
Acetaldhyde
1-20
2*
T
   
Acetic Acid
81
Acetic acid SEI
1-100
2
H
   
81L
Acetic acid
0.125-25
2*
T
   
80
Acid gases
1-80
2
     
Acetic anhydride
81
Acetic acid
0.6-15
2
H
   
81L
Acetic acid
0.15-6
2*
T
   
Acetone
151
Acetone
0.05-2%v
2
T
   
151L
Acetone SEI
50-12,000
2*
T
   
Acetone cyanohydrin
12L
Hydrogen cyanide
2.88-69
2
H
   
Acetonitrile
52
Nitro Compounds
(Pyrotec tube)
3-180
2
   
Acetylene
171
Acetylene
0.05-4%v
2
T
   
103
Hydrocarbons
(Lower Class)
0.075-3.6%v
2
+
   
172
Ethylene
32.5-1,040
2
   
Acetylene Dichloride
See 1,2-Dichloroethylen
   
Acetylene tetrabromide
See 1,1,2,2-Tetrabromoethane
   
Acetylene terachloride
See 1,1,2,2-Tetrachloroethane
   
Acid gases
80
Acid gases
1-80
2
   
Acrolein
93
Acrolein
3.3-800
2*
T
   
Acrylic acid
81
Acetic acid SEI
2-50
2
H
   
81L
Acetic acid
0.45-18
2*
T
   
Acrylonitrile
191
Acrylonitrile
2-360
2
T
   
191L
Acrylonitrile
0.1-18
2
++
   
102L
Hexane
0.06-1.44%v
2
   
Alcohol
See Ethanol
   
Aliphatic Hydrocarbons
140
Aliphatic Hydrocarbons
6-3,000
1
T
   
Aliphatic Hydrocarbons
See Hydrocarbons
   
Allyl amine
180
Amines
8.5-170
2
T
   
180L
Amines
0.4-8
2
T
   
Allyl isothiocyanate
149
Methyl methacrylate
5-200
2
T
   
Allyl chloride
101L
Gasolene (Petrol)
0.1-3.4%v
2
   
131L
Vinyl chloride
3.2-48
2*
++T
   
alpha-Pinene
121
Benzene
200-1,140
2
   
159
Tetrahydrofuran
7-135
2
T
   
Amines
180
Amines
5-100
2
T
   
180L
Amines
0.5-10
2
T
   
2-Aminoethanol
See Ethanolamine
   
2-Aminopropane
See Isopropyl amine
   
Ammonia
3H
Ammonia
0.2-32%v
2
   
3HM
Ammonia
0.05-3.52%v
2
   
3M
Ammonia
10-1,000
2
   
3LA
Ammonia
2.5-200
2
T
   
3L
Ammonia
0.5-78
2
   
180
Aminies
1.5-30
2
T
   
n-Amyl acetate
147
Amyl acetate
10-200
2
T
   
Aniline
181
Aniline
1.25-60
2
   
Aromatic hydrocarbons
120
Aromatic hydrocarbons
0.4-200
2
   
Arsine
19LA
Arsine
0.04-10
2
   
Benzaldehyde
91L
Formaldehyde
2-92
2*
T
   
Benzene
121
Benzene SEI
2.5-120
2
   
121L
Benzene
0.1-65
2
++
   
121S
Benzene
2-312
2
++
   
121SL
Benzene
1-100
2
++
   
121SP
Benzene
0.2-66
2
++
   
171
Acetylene
0.03-0.6%v
2
T
   
Benzyl bromide
136L
Methyl bromide
25-850
2
++
   
Benzyl chloride
132L
Trichloroethylene
0.8-20
2*
T
   
Boron trichloride
12L
Hydrogen cyanide
0.5-20
2
H
   
Bromine
8LA
Chlorine
0.05-0.8
2
   
Bromochloromethane
See Chlorobromomethane
   
2-Bromo-2Chloro-1,1,1-trifluoroethane
See Halothane
   
Bromoform
136L
Methyl bromide
1-50
2
++
   
1-Bromopropane
See Propyl bromide
   
1,3-Butadiene
174
1,3-Butadiene
50-800
2
T
   
174L
1,3-Butadiene
2.5-100
2
   
174LL
1,3-Butadiene
0.5-5
2*
++H
   
Butane
104
Butane
25-1,400
2
   
103
Hydrocarbons (Lower Class)
0.035-1.68%v
2
+
   
2,3-Butanedione
See Diacetyl
   
1-Butanol
114
1-Butanol(using#114G)
10-150
2
T
   
2-Butanol
115
2-Butanol
5-150
2
T
   
n-Butanol
See 1-Butanol
   
sec-Butanol
See 2 Butanol
   
tert-Butanol
102L
Hexane
0.05-1.2%v
2
   
2-Butanone
See Methyl ethyl ketone (MEK)
   
2-Butoxyethanol
See Ethylene glycol butyl ether
   
Butyl acetate
142
Butyl acetate
0.05-0.8%v
2
T
   
142L
Butyl acetate
10-300
2
T
   
Butyl acrylate
146
Isopropyl acetate
40-190
2
T
   
142L
Butyl acetate
7-210
2
T
   
n-Butyl alcohol
See 1-Butanol
   
sec-Butyl alcohol
See 2 Butanol
   
Di-n-Butylamine
180
Amines
5-100
2
T
   
180L
Amines
0.4-8
2
T
   
n-Butylamine
180
Amines
8-160
2
T
   
180L
Amines
0.55-11
2
T
   
t-Butylamine
180
Amines
5.5-110
2
T
   
n-Butyl bromide
136H
Methyl bromide
24-360
2
   
136L
Methyl bromide
10-100
2
   
136LA
Methyl bromide
2.4-18
2
   
Butyl cellosolve
See Ethylene glycol butyl ether
   
Butyl mercaptan
70L
Mercaptans
0.16-12.8
2
   
tert-Butyl mercaptan
75
tert-Butyl mercaptan
2.5-150 mg/m3
2
T
   
75L
tert-Butyl mercaptan
0.5-30 mg/m3
2*
T
   
77
TBM & DMS
1-15 mg/m3
2*
++T
   
70L
Mercaptans
0.1-8
2
   
Butyric acid
81L
Acetic acid
0.325-13
2*
T
   
Butyronitrile
191L
Acrylonitrile
6-180
2
++
   
Carbon Dioxide (CO2)
2HH
Carbon Dioxide
2.5-40%v
2
   
2H
Carbon Dioxide
0.5-20%v
2
   
2L
Carbon Dioxide SEI
0.13-6%v
2
   
2LC
Carbon Dioxide
100-4,000
2
   
2LL
Carbon Dioxide
300-5,000
2
   
Carbon Disulfide
13M
Carbon Disulfide
20-4,000
2
++T
   
13
Carbon Disulfide SEI
0.63-100
2
++T
   
Carbon Monoxide
1HH
Carbon Monoxide
1-50%v
2
   
1H
Carbon Monoxide
0.1-10%v
2
   
1M
Carbon Monoxide
0.05-4%v
2
   
1LM
Carbon Monoxide
25-2,000
2
   
1L
Carbon Monoxide
2.5-2,000
2
   
1LA
Carbon Monoxide SEI
8-1,000
2
T
   
1LC
Carbon Monoxide
1-30
2
T
   
1LL
Carbon Monoxide
5-50
2
   
Carbom monoxide in Hydrogen
1LK
Carbom monoxide in Hydrogen
5-600
2
   
Carbon tetrachloride (Tetrachloromethane)
134
Carbon tetrachloride
0.5-60
1*
++
   
Carbon tetrachloride (Tetrachloromethane)
134L
Carbon tetrachloride
0.25-12
1*
++T
   
Carbonyl chloride
See Phosgene
   
Carbonyl Sulfide
21
Carbonyl Sulfide
5-200
2*
++
   
Carbonyl Sulfide
21LA
Carbonyl Sulfide
2-125
2*
++T
   
Cellusolve
See Ethylene glycol ethyl ether
   
Chlorine
8HH
Chlorine
0.25-10%v
2
   
8H
Chlorine
25-1,000
2
   
8LA
Chlorine SEI
0.1-16
2
   
8LL
Chlorine
0.025-2
1*
   
80
Acid gases
0.7-14
2
   
14L
Hydrogen chloride
0.8-16
2
   
Chlorine dioxide
23L
Chlorine dioxide
0.025-1.2
1*
   
23M
Chlorine dioxide
0.1-10
2
   
8H
Chlorine
25-250
2
   
8LL
Chlorine
0.05-1.0
1*
   
8LA
Chlorine
0.6-9.6
2
   
Chlorobenzene
126
Chlorobenzene
2-500
2
   
126L
Chlorobenzene
0.5-43
2*
   
Chlorobromomethane
135
1,1,1-Trichloroethane
22-110
2
++T
   
136L
Methyl bromide
9-90
2
   
Chlorocyclohexane
102L
Hexane
50-1,200
2
   
Chlorodifuoromethane (R22)
51H
Fluorochlorocarbons (Freon)(Pyrotec tube)
0.1-2.4%v
2
++
   
51
Fluorochlorocarbons (Freon)(Pyrotec tube)
25-1,000
2
++
   
51L
Fluorochlorocarbons (Freon)(Pyrotec tube)
2.5-135
2
++
   
1-Chloro-2,3-epoxy propane
See Epichlorohydrin
   
2-Chloroethanol
See Ethylene chlorohydrin
   
Chloroethylene
See Vinyl chloride
   
Chloroform (Trichloromethane
137
Chloroform
4-400
2
++H
   
137L
Chloroform
0.5-27
1*
++T
   
Chloroformates
See Ethyl chloroformate or Methyl chloroformate
   
Chlorofluorocarbons (CFC)
51H
Fluorochlorocarbons (Freon)(Pyrotec tube)
250-6,000
2
   
51
Fluorochlorocarbons (Freon)(Pyrotec tube)
10-400
2
     
51L
Fluorochlorocarbons (Freon)(Pyrotec tube)
1-54
2
     
Chloropicrin
134
Carbon tetrachloride
2.5-60
1*
++
   
134L
Carbon tetrachloride
0.1-7.5
1*
++T
   
1-Chloro-2,2,2-trichloroethyldichloromethyl ether
See Isoflurane
   
2-Chloro-1,1,1,2-tetrafluoroethane (R124)
51
Fluorochlorocarbons (Freon)(Pyrotec tube)
45-1,800
2
++
   
2-Chloro-1,1,2-trifluoroethyldifluoromethyl ether
See Enflurane
   
3-Chloro-1-propene
See Allyl chloride
   
m-Cresol
61
o-Cresol
1-25
2*
T
   
o-Cresol
61
o-Cresol
0.4-62.5
2*
T
   
p-Cresol
61
o-Cresol
1-25
2*
T
   
Cumene
122L
Toluene
2-100
2
     
122
Toluene
5.8-174
2
     
Cyanide
See Hydrogen cyanide
   
Cyclohexane
102H
Hexane
0.015-1.2%v
2
     
102L
Hexane
60-1,440
2
     
Cyclohexanol
118
Cyclohexanol
5-100
2
T
   
Cyclohexanone
154
Cyclohexanone
2-75
2
T
   
91L
Formaldehyde
10-470
2
T
   
Cyclohexene
151
Acetone
0.05-0.8%v
2
T
   
Cyclohexylamine
180
Amines
7-140
2
T
   
180L
Amines
0.5-10
2
T
   
Cyclohexyl chloride
See Chlorocyclohexane
   
Cyclopentane
101L
Gasoline
39-1,300
2
     
Cymene
141L
Ethyl acetate
25-270
2
T
   
Decahydronaphthlanene
121
Benzene SEI
10-165
2
     

n-Decane

105
Hydrocarbons (Higher Class)
200-6000
2
   
Diacetone alcohol
154
Cyclohexanone
2.5-100
2*
T
   
Diactyl
92
Acetaldehyde
25-1,500
2*
T
   
1,2-Diaminoethane
See Ethylenediamine
   
Diborane
22
Diborane
0.02-5
2
T
   
1,1-Dibromoethane
136L
Methyl bromide
7-70
2
++
   
1,2-Dibromoethane
See Ethylene dibromide
   
Dibromoethane
136L
Methyl bromide
5-50
2
++
   
Di-n-Butylamine
180
Amines
5-100
2
T
   
180L
Amines
0.4-8
2
T
   
m-Dichlorobenzene
127
o-Dichlorobenzene
2.5-300
2
T
   
o-Dichlorobenzene
127
o-Dichlorobenzene
2.5-300
2
T
   
p-Dichlorobenzene
127
o-Dichlorobenzene
2.5-300
2
T
   
Dichlorodifluoromethane (R12)
51H
Fluorochlorocarbons (Freon) (Pyrotec tube)
325-7,800
2
++
   
51
Fluorochlorocarbons (Freon) (Pyrotec tube)
11-440
2
++
   
51L
Fluorochlorocarbons (Freon) (Pyrotec tube)
1.8-97
2
++
   
Dichlorvos
132LL
Trichloroethylene
0.05-3.2
2*
T
   
1,1-Dichloroethane
135
1,1,1-Trichloroethylene
90-450
2
++T
   
1,2-Dichloroethane
See Ethylene dichloride
   
1,1-Dichloroethylene
See Vinylidene chloride
   
1,2-Dichloroethylene
139
1,2-Dichloroethylene
5-250
2*
T
   
132HA
Trichloroethlene
80-800
2*
T
   
132LL
Trichloroethlene
0.4-6
2*
   
1,1-Dichloro-1-fluoroethane (R141b)
51
Fluorochlorocarbons (Freon) (Pyrotec tube)
10-1000
2
++
   
51L
Fluorochlorocarbons (Freon) (Pyrotec tube)
1.1-22
2
++
   
Dichloromethane
See Methylene chloride
   
Dichloropentafluoropropane
51
Fluorochlorocarbons (Freon) (Pyrotec tube)
20-800
2
++
   
51L
Fluorochlorocarbons (Freon) (Pyrotec tube)
1.1-22
2
++
   
1,2-Dichloropropane
See Propylene dichloride
   
1,3-Dichloropropane
139
1,2-Dichloroethylene
20-200
2*
T
   
132M
Trichloroethylene
10-200
2*
T
   
1,3-Dichloropropane
132HA
Trichloroethylene
45-450
2*
T
   
132M
Trichloroethylene
10-200
2*
T
   
131L
Vinyl chloride
0.5-10
2*
++
   
1,2-Dichloro-1,1,2,2-tetrafluoroethane
51H
Fluorochlorocarbons (Freon) (Pyrotec tube)
475-11,400
2
++
   
51
Fluorochlorocarbons (Freon) (Pyrotec tube)
20-800
2
++
   
51L
Fluorochlorocarbons (Freon) (Pyrotec tube)
1.8-97
2
++
   
2,2-Dichloro-1,1,1-trifluoroethane (R123)
51
Fluorochlorocarbons (Freon) (Pyrotec tube)
14-1,600
2
++
   
51L
Fluorochlorocarbons (Freon) (Pyrotec tube)
1.4-28
2
++
   
3,3-Dichloro-1,1,1,2,2-pentafluoropropane (R225ca)
51
Fluorochlorocarbons (Freon) (Pyrotec tube)
20-800
2
++
   
51L
Fluorochlorocarbons (Freon) (Pyrotec tube)
1.1-22
2
++
   
Dicylopentadiene (DCPD)
76
Tetrahydrothiophene
1-10
2
T
   
112L
Ethanol
17-340
2
T
   
Diethylamine
180
Amines
5.5-110
2
T
   
180L
Amines
0.45-9
2
T
   
Diethylaminoethanol
180L
Amines
0.6-12
2
T
   
Diethyl benzene
122L
Toluene
2-150
2
   
Diethylene
See 1,4-Dioxane
   
Diethylenetriamine
180L
Amines
0.95-19
2
T
   
Diethylethanolamine
180
Amines
6-120
2
T
   
Diethyl ether
See Ethyl ether
   
Disobutylene
121
Benzene
45-540
2
   
Disobutyl ketone
102L
Hexane
0.2-1%v
2
   
Disobutyl ketone
91L
Formalehyde
0.58-29
2*
T
   
Disopropyl benzene
141L
Ethyl acetate
12-400
2
T
   
Disopropyl toluene
141L
Ethyl acetate
12-400
2
T
   
Disopropylamine
180
Amines
5-100
2
T
   
180L
Amines
0.3-6
2
T
   
N,N-Dimethylacetamide
184
N,N-Dimethylacetamide
1.5-240
2
T
   
Dimethylamine
3H
Ammonia
1.2-19.2%v
2
T
   
180
Amines
5.5-110
2
T
   
180L
Amines
0.45-9
2
T
   
2-Dimethylaminoethanol
180L
Amines
0.65-13
2
T
   
Dimethylaminopropylamine
180
Amines
8-160
2
T
   
180L
Amines
0.6-12
2
T
   
N,N-Dimethylaniline
181
Aniline
2.5-30
2
   
Dimethylbenzene
See Xylene
   
Dimethyl disulfide
53
Dimethyl sulfide (Pyrotec tube)
0.3-6
2
++T
   
Dimethylethanolamine
180
Amines
6.5-130
2
T
   
N,N-Dimethylethylamine
180
Amines
4-80
2
T
   
180L
Amines
0.3-6
2
T
   
N,N-Dimethylformamide
183
N,N-Dimethylformamide
0.8-90
2
T
   
2,6-Dimethyl-4-heptanone
See Disobutyl ketone
   
Dimethylhydrazine
185
Hydrazine
0.1-2
2
H
   
Dimethyl sulfide
53
Dimethyl sulfide (Pyrotec tube)
0.25-10
2
++T
   
77
TBM and DMS
1-15 mg/l
2*
++T
   
1,4-Dioxane
159
Tetrahydrofuran
25-140
2
T
   
163
Ethylene oxide
0.1-6%v
2
   
Dipropylamine
180
Amines
4-80
2
T
   
180L
Amines
0.35-7
2
T
   
Divinyl benzene
124L
Styrene
1-15
2
   
Divinyl methoxysilane
113L
Isopropyl alcohol
2.5-40
2
T
   
Enflurane (2-Chloro-1,1,2-trifluoroethyl difluoromethyl ether)
51
Fluorochlorocarbons (Freon) (Pyrotec tube)
20-1200
2
++
   
51L
Fluorochlorocarbons (Freon) (Pyrotec tube)
25-145
2
++
   
Epichlorohydrin
163L
Ethylene oxide
1.2-120
1*
++T
   
1,2-Epoxypropane
See Propylene oxide
   
Ethanethiol
See Ethyl mercaptan
   
Ethanol
112
Ethanol
0.01-7.5%v
2
T
   
112L
Ethanol
50-2000
2
T
   
Ether
See Ethyl ether
   
Ethanolamine
180
Amines
7-140
2
T
   
180L
Amines
1.95-39
2
T
   
2-Ethoxyethanol
See Ethylene glycol ethyl ether
   
2-Ethoxyethyl acetate
See Ethylene glycol ethyl ether acetate
   
Ethyl acetate
141
Ethyl acetate
0.1-1.5%v
2
T
   
141L
Ethyl acetate
20-800
2
T
   
Ethyl acrylate
141L
Ethyl acetate
10-160
2
T
   
151
Acetone
0.05-0.8%
2
T
   
Ethyl alcohol
See Ethanol
   
Ethylamine
180
Amines
5-100
2
T
   
180L
Amines
0.45-9
2
T
   
Ethyl benzene
122L
Toluene
1-70
2
   
122
Toluene
11-330
2
   
p-Ethyl benzylchloride
131LA
Vinyl chloride
2.5-50
2*
++
   
Ethyl bromide
136L
Methyl bromide
2.5-200
2
   
Ethyl chloride
138
Methylene chloride
15-150
2
++T
   
Ethyl chloroformate
131LA
Vinyl chloride
7-140
2*
++
   
Ethyl cyanide
See Propionitrile
   
Ethyl glycol acetate
See Ethylene glycol ethyl ether acetate
   
Ethylene
172
Ethylene
25-1680
2
   
172L
Ethylene
0.2-100
2
   
130
Hydrocarbons (Lower Class)
0.35-16.8%v
2
+
   
171
Acetylene
0.1-2%v
2
T
   
Ethylene chlorohydrin
111L
Methanol
20-200
2
T
   
Ethylenediamine
180
Amines
14-280
2
T
   
180L
Amines
0.9-18
2
T
   
Ethylene dibromide
136H
Methyl bromide
14-210
2
++
   
136L
Methyl bromide
8-80
2
++
   
Ethylene dichloride
135
1,1,1-Trichloroethylene
400-2000
2
++T
   
135L
1,1,1-Trichloroethylene
104-1040
2
++T
   
Ethylene glycol
165L
Ethylene glycol
10-100 mg/m3
2*
++
   
Ethylene glycol butyl ether
113L
Isopropyl alcohol
30-1000
2
T
   
Ethylene glycol ethyl ether
113L
Isopropyl alcohol
62.5-1000
2
T
   
Ethylene glycol ethyl ether acetate
113L
Isopropyl alcohol
6-96
2
T
   
Ethylene glycol methyl ether
113L
Isopropyl alcohol
15-900
2
T
   
Ethylene glycol methyl ether acetate
See Methoxyethyl acetate
   
Ethylene glycol monobutyl ether
See Ethylene glycol butyl ether
   
Ethylene glycol monoethyl ether
See Ethylene glycol ethyl ether
   
Ethylene glycol monoethyl ether acetate
See Ethylene glycol ethyl ether acetate
   
Ethylene oxide
163
Ethylene oxide
0.05-3%v
2
   
163L
Ethylene oxide
0.4-350
1*
++T
   
163LL
Ethylene oxide
0.1-10
1*
++T
   
Ethyl ether
161
Ethyl ether
0.04-1%v
2
T
   
161L
Ethyl ether
10-1,200
2
T
   
2-Ethylhexyl acrylate
142L
Butyl acetate
1.6-48
2
T
   
2-Ethylheyl alcohol
117
Isoamyl alcohol
2-120
2
T
   
Ethylidene chloride
See 1,1-Dichloroethane
   
Ethyl mercaptan
72
Ethyl mercaptan
0.5-120
2
T
   
72L
Ethyl mercaptan
0.2-75
2
T
   
70
Mercaptans
0.5-120
2
T
   
70L
Mercaptans
0.1-8
2
   
71H
Methyl mercaptan
100-3,800
2
   
N-Ethyl morpholine
180
Amines
5-100
2
T
   
180L
Amines
0.3-6
2
T
   
Fluorine
17
Hydrogen Fluoride
1.25-50
2
H
   
Fluorochlorocarbons
51H
Fluorochlorocarbons (Freons) (Pyrotec tube)
250-6,000
2
   
51
Fluorochlorocarbons (Freons) (Pyrotec tube)
10-400
2
   
51L
Fluorochlorocarbons (Freons) (Pyrotec tube)
1-54
2
   
Fluorotrichloromethane
See Trichlorofluoromethane (R11)
   
Formaldehyde
91
Formaldehyde
2-100
2
++
   
91M
Formaldehyde
8--6,400
2*
   
91L
Formaldehyde
0.1-40
2*
T
   
91LL
Formaldehyde
0.05-1
1*
T
   
93
Acrolein
250-20,000
2*
T
   
Formic acid
81
Acetic acid
5.2-130
2
H
   
81L
Acetic acid
0.5-20
2*
T
   
Freon
See Fluorochlorocarbons
   
Furfural
154
Cyclohexanone
2-30
2*
T
   
Furfuryl alcohol
163L
Ethylene oxide
1.3-130
1*
T++
   
Gasoline (Petrol)
101
Gasoline (Petrol)
0.015-1.2%v
2
   
101L
Gasoline (Petrol)
30-2,000
2
   
1M
Carbon monoxide
0.1-2%v
2
   
Halothane (2-Bromo-2-Chloro-1,1,1-trifluoroethane
51H
Fluorochlorocarbons (pyrotec tubes)
800-6,400
2
++
   
51
Fluorochlorocarbons (pyrotec tubes)
240-960
2
++
   
51L
Fluorochlorocarbons (pyrotec tubes)
3060
2
++
   
HCl
See Hydrogen chloride
   
Heptane
101
Gasoline (Petrol)
0.015-1.2%v
2
   
101L
Gasoline (Petrol)
30-2,000
2
   
103
Hydrocarbons (Lower Class)
0.035-1.68%v
2
+
   
105
Hydrocarbons (Higher Class)
90-2,700
2
   
Hexamethylenediamine
180L
Amines
1.55-31
2
T
   
Hexane
102H
Hexane
0.015-1.2%v
2
   
102L
Hexane
4-1,200
2
   
103
Hydrocarbons (Lower Class)
0.025-1.2%v
2
+
   
105
Hydrocarbons (Higher Class)
80-2,400
2
   
1-Hexane
141L
Ethyl acetate
20-120
2
T
   
Hexone
See Methyl isobutyl ketone
   
2-Hexyl alcohol
141L
Ethyl acetate
75-2,400
2
T
   
Hexylamine
180
Amines
9-180
2
T
   
180L
Amines
0.65-13
2
T
   
Hydrazine
185
Hydrazine
0.05-2
2
H
   
Hydrocarbons (Higher Class) C6 to C10
105
Hydrocarbons (Higher Class)
100-3,000
2
   
Hydrocarbons (Lower Class) C2 to C7
103
Hydrocarbons (Lower Class)
0.05-2.4%v
2
+
   
Hydrochloric acid
See Hydrogen chloride
   
Hydrocyanic acid
See Hydrogen cyanide
   
Hydrofluoric acid
See Hydrogen fluoride
   
Hydrogen
30
Hydrogen
0.5-2%v
2
   
Hydrogen bromide
15L
Nitric acid
0.8016
2
H
   
Hydrogen Chloride
14M
Hydrogen Chloride
10-1,000
2
   
14L
Hydrogen Chloride
0.2-76
2
   
14R
Hydrogen Chloride
50-5,000
2
   
80
Acid gasses
8-160
2
   
8HH
Chlorine
1.5-30%v
2
   
5M
Sulfur dioxide
220-3,960
2
T
   
Hydrogen cyanide
12H
Hydrogen cyanide
0.05-1.6%v
2
T
   
12M
Hydrogen cyanide
17-2,400
2
   
12L
Hydrogen cyanide
0.36-120
2
H
   
12LL
Hydrogen cyanide
0.2-7
2
H
   
Hydrogen fluoride (HF)
17
Hydrogen fluoride
0.25-100
2
H
   
17L
Hydrogen fluoride
0.09-72
1
H
   
Hydrogen peroxide
32
Hydrogen peroxide
0.5-10
2
T
   
Hydrogen sulfide (H2S)
4HT
Hydrogen sulfide
1-40%v
2
   
4HP
Hydrogen sulfide
0.25-20%v
2
   
4HH
Hydrogen sulfide
0.4-4%v
2
   
4H
Hydrogen sulfide
10-4,000
2
   
4HM
Hydrogen sulfide
25-1,600
2
   
4M
Hydrogen sulfide
12.5-500
2
   
4L
Hydrogen sulfide
1-240
2
   
4LL
Hydrogen sulfide
0.25-120
2
   
4LK
Hydrogen sulfide
1-40
2
   
4LB
Hydrogen sulfide
0.5-12
2
   
4LT
Hydrogen sulfide
0.1-4
2
   
45S
Hydrogen sulfide, Sulfur dioxide (Separate quantification)
1.2-120 (H2S tube) 0.25-20 (SO2 tube)
2
++
   
Hydrogen sulfide + Sulfur dioxide
45H
Hydrogen sulfide + Sulfur dioxide (Total quantification)
0.2-8%v
2
   
4-Hydroxy-4-methyl-2-pentanone
See Diacetone alcohol
   
Iodine
9L
Nitrogen dioxide
0.2-12
2
   
80
Acid gases
0.12-2.4
2
   
Isoamyl acetate
148
Isoamyl acetate
10-200
2
T
   
Isoamyl alcohol
117
Isoamyl alcohol
5-300
2
T
   
Isobutane
103
Hydrocarbons (lower Class)
0.35-1.68%v
2
+
   
104
Butane
55-3,080
2
   
Isobutene
Isobutyl acetate
101L
Gasoline (Petrol)
0.07-2.2%v
2
   
161L
Ethyl ether
5.7-228
2
T
   
144
Isobutyl acetate
10-300
2
T
   
Isobutyl acrylate
142L
Butyl acetate
2.6-78
2
T
   
Isobutyl alcohol
116
Isobutyl alcohol
10-150
2
T
   
Isoflurane (1-Chloro-2,2,2-trifluoroethyl difluoromethyl ether)
51
Fluorochlorocarbons (Freon) (Pyrotec tube)
200-1,000
2
++
   
51L
Fluorochlorocarbons (Freon) (Pyrotec tube)
30-120
2
++
   
Isosctane
101
Gasolene (Petrol)
0.027-0.54%v
2
   
Isopentane
103
Hydrocarbons (Lower Class)
0.045-2.16%v
2
+
   
Isopentyl acetate
See Isoamyl acetate
   
Isopentyl alcohol
See Isoamyl alcohol
   
Isophorone
154
Cyclohexanone
2-30
2*
T
   
Isoprene
141L
Ethyl acetate
20-140
2
T
   
Isopropanol
See Isopropyl alcohol
   
Isopropyl acetate
146
Isopropyl acetate
20-500
2
T
   
Isopropyl alcohol
113
Isopropyl alcohol
0.02-5%v
2
T
   
113L
Isopropyl alcohol
25-800
2
T
   
113LL
Isopropyl alcohol
20-440
1
T
   
Isopropylamine
180
Amines
5.5-110
2
T
   
180L
Amines
0.45-9
2
T
   
Isopropyl benzene
See Cumene
   
Isopropyl ether
141L
Ethyl acetate
22.5-720
2
T
   
161
Ethyl ether
0.018-0.45%v
2
T
   
Isoprpyl mercaptan
70
Mercaptans
10-240
2
T
   
Isovaleric acid
81
Acetic acid
2-50
2
H
   
81L
Acetic acid
0.38-15
2*
T
   
Kerosene
121
Benzene
0.1-16mg/l
2
   
Limonene
122L
Toluene
25-250
2
   
LPG (Liquified petroleum gas)
100A
LP-Gas (LPG)
0.02-0.8%v
2
   
Maleic anhydride
81
Acetic acid
0.8-20
2
H
   
MEK
See Methyl ethyl ketone
   
Mercaptans
70
Mercaptans
0.5-120
2
T
   
70L
Mercaptans
0.1-8
2
   
2-Mercaptoethanol
75L
tert-Butyl mercaptan
0.5-7.7
2*
T
   
Mercury vapor
40
Mercury vapor
0.05-13.2mg/m3
2
   
Mesityl oxide
141L
Ethyl acetate
33.8-1,080
2
T
   
Methacrylic acid
81
Acetic acid
1.8-45
2
H
   
81L
Acetic acid
0.35-14
2*
T
   
Methacrylonitrile
192
Methacrylonitrile
0.2-32
2
++
   
Methaldehyde
91L
Formaldehyde
0.065-3.25
2*
T
   
Methanethiol
See Methyl mercaptan
   
Methanol
111
Methanol
0.002-4.5%v
2
T
   
111L
Methanol
20-1,000
2
T
   
111LL
Methanol
2-56
2
T
   
2-Methoxyethanol
See Ethylene glycol methyl ether
   
2-Methoxyethyl acetate
113L
Isopropyl alcohol
50-700
2
T
   
1-Methoxy-2-propanol
113L
Isopropyl alcohol
50-800
2
T
   
Methyl alcohol
See Methanol
   
Methyl acrylate
141L
Ethyl acetate
20-400
2
T
   
Methylacrylonitrile
See Methacrylonitrile
   
2-Methtl allyl chloride
131LA
Vinyl chloride
2.8-55
2*
++
   
Methylamine
180
Amines
5-100
2
T
   
180L
Amines
0.5-10
2
T
   
N-Methyl aniline
181
Aniline
3.5-42
2
     
Methyl bromide
136H
Methyl bromide
10-600
2
++
   
136L
Methyl bromide
2.5-200
2
++
   
136LA
Methyl bromide
1-36
2
++
   
2-Methyl-3-butenenitrile
191L
Acrylonitrile
0.4-12
2
++
   
Methyl-n-butyl ketone
91L
Formaldehyde
0.9-22.5
2*
T
   
Methyl cellosolve
See Ethylene glycol methyl ether
   
Methyl chloride
51
Fluorochlorocarbons (Freon) (Pyrotec tube)
12-480
2
++
   
51L
Fluorochlorocarbons (Freon) (Pyrotec tube)
1.6-86
2
++
   
Methyl chloroform
135
1,1,1-Trichloroethane
100-2000
2
++T
   
135L
1,1,1-Trichloroethane
6-900
2
++T
   
171
Acetylene
0.06-1.2%v
2
T
   
Methyl chloroformate
131LA
Vinyl chloride
58-1160
2*
++
   
Methyl cyanide
See Acetonitrile
   
Methylcyclohexane
102H
Hexane
0.04-0.84%v
2
     
Methylcyclohexanol
119
Methylcyclohexanol
5-100
2
T
   
Methylcyclohexanone
155
Methylcyclohexanone
2-100
2*
T
   
Methyl isobutenyl keytone
See Mesityl oxide
   
Methylene bromide
See Dibromomethane
   
Methylene chloride
138
Methylene chloride
20-500
2
++T
   
138L
Methylene chloride
5-150
2
++T
   
51L
Fluorochlorocarbons (Freon) Pyrotec tube)
1-20
2
++
   
Methylene iodide
121L
Benzene
0.4-20
2
++
   
Methyl ether
161
Ethyl ether
0.03-0.85%v
2
T
   
Methyl ethyl ketone
152
Methyl ethyl ketone
0.02-0.6%v
2
T
   
151L
Acetone
21-1680
2*
T
   
Methyl hydrazine
185
Hydrazine
0.6-12
2
H
   
Methyl iodide
121L
Benzene
0.7-33.6
2
++
   
Methyl isobutyl ketone
153
Methyl isobutyl ketone
0.05-0.6%
2
T
   
Methyl mercaptan
71H
Methyl mercaptan
20-2700
2
     
71
Methyl mercaptan
0.25-140
2
T
   
70
Mercaptans
0.5-120
2
T
   
70L
Mercaptans
0.1-8
2
T
   
Methyl methacrylate
149
Methyl methacrylate
10-500
2
T
   
N-Methyl morpholine
180
Amines
5-100
2
T
   
180L
Amines
0.3-6
2
T
   
Methyl n-propyl ketone
142L
Butyl acetate
11.5-345
2
T
   
 
91L
Formaldehyde
2.5-40
2
T
   
4-Methyl pyridine
182
Pyridine
0.38-10.5
2
T
   
N-Methyl pyrrolidone
180
Amines
50-270
2
T
   
Methyl tertiary-butyl ether (MTBE)
121
Benzene
20-510
2
     
142L
Butyl acetate
5-130
2
T
   
141L
Ethyl acetate
5-530
2
T
   
161
Ethyl ether
0.04-1%v
2
T
   
Mineral spirits
See Stoddard Solvent
   
Monoethanolamine
180
Amines
7-140
2
T
   
Monochlorobenzene
See Chlorobenzene
   
Monomethyl aniline
See N-Methyl aniline
   
Monomethyl hydrazine
See Methyl hydrazine
   
Morpholine
180
Amines
9-180
2
T
   
180L
Amines
0.5-10
2
T
   
MTBE
See Methyl tertiary-butyl ether
   
Naphthalene
60
Phenol
0.5-14
2*
T
   
Nickel carbonyl
20L
Nickel carbonyl
10-800
2
     
Nitric acid
15L
Nitric acid
0.1-40
2
H
   
80
Acid gasses
5-100
2
     
Nitric oxide
10
Nitrogen oxides NO + NO2 (Separate quantification)
2.5-200
2
++T
   
Nitro compounds
52
Nitro compounds (Pyrotec tube)
0.5-30
2
     
Nitriethane
52
Nitro compounds (Pyrotec tube)
4-240
2
     
Nitrogen dioxide
9L
Nitrogen dioxide
0.5-125
2
     
10
Nitrogen oxides NO + NO2 (Separate quantification)
2.5-200
2
++
   
52
Nitro compounds (Pyrotec tube)
0.5-30
2
     
80
Acid gasses
0.1-80
2
     
Nitrogen oxides
11HA
Nitrogen oxides (Total quantification)
50-2500
2
     
11S
Nitrogen oxides (Total quantification)
5-625
2
     
11L
Nitrogen oxides (Total quantification)
0.04-16.5
2
     
Nitromethane
52
Nitro compounds (Pyrotec tube)
5-300
2
     
1-Nitropropane
52
Nitro compounds (Pyrotec tube)
4.2-252
2
     
2-Nitropropane
52
Nitro compounds (Pyrotec tube)
3.7-222
2
     
Nitrotrichloromethane
See Chloropicrin
   
Nonane
105
Hydrocarbons (Higher Class)
130-3900
2
     
Octane
101
Gasoline (Petrol
0.036-0.72%v
2
     
105
Hydrocarbons (Higher Class)
100-3000
2
     
Olefins
100A
LP-Gas (LPG)
0.34-13.6 mg/l
2
     
Organic Gas
See Polytec I (in Polytec section of Price List)
   
Oxygen (O2)
31B
Oxygen
3-24%v
2
+++
   
Ozone (O3)
18M
Ozone
4-400
2
     
18L
Ozone
0.025-3
2
     
Pentachloroethane
133L
Tetrachloroethylene
20-500
2*
T
   
1,3-Pentadiene
174
1,3-Butadiene
250-4000
2
T
   
174L
1,3-Butadiene
42.5-850
2
T
   
Pentamethylene
180L
Amines
0.75-15
2
T
   
n-Pentane
104
Butane
30-1680
2
     
103
Hydrocarbons (Lower Class)
0.0375-1.8%v
2
+
   
2-Pentenenitrile
193
2-Pentenenitrile
0.5-15
2
++T
   
191L
Acrylonitrile
0.24-7.2
2
++
   
3-Pentenenitrile
191L
Acrylonitrile
0.4-12
2
     
Pentyl acetate
See Amyl acetate
   
Perchloroethylene
See Tetrachloroethylene
   
Petroleum distillates
See Gasoline (Petrol)
   
Petroleum benzine
106
Petroleum naphtha
0.5-28mg/l
2
     
Petroleum ether
106
Petroleum naphtha
0.5-28mg/l
2
     
Petroleum naphtha
106
Petroleum naphtha
0.5-28mg/l
2
     
Phenol
60
Phenol
0.4-187
2*
T
   
Phenylethylene
See Styrene
   
Phosgene
16
Phosgene
0.05-20
1.5*
T
   
Phosphine
7J
Phosphine
2.5-1000
2
     
7
Phosphine
2.5-100
2
     
7H
Phosphine
200-5500
1
T
   
7L
Phosphine
0.15-5
2
     
7LA
Phosphine
0.05-9.8
2
     
4-Picoline
See 4-Methyl pyridine
   
Alpha-Pinene
121
Benzene
95-1140
2
     
159
Tetrahydrofuran
7-135
2
T
   
Propane
103
Hydrocarbons (Lower Class)
0.05-2.4%v
2
+
   
1,2-Propanediol
See Propylene glycol
   
n-Propanol
See n-Propyl alcohol
   
Propionaldehyde
91L
Formaldehyde
0.76-38
2*
T
   
151L
Acetone
24-1880
2*
T
   
Propionic acid
81
Acetic acid
3-75
2
T
   
81L
Acetic acid
0.25-10
2*
T
   
Propionic aldehyde
See Propionaldehyde
   
Propionitrile
191
Acrylonitrile
50-1200
2*
++T
   
Propyl acetate
145
Propyl acetate
20-500
2
T
   
n-Propyl alcohol
113
Isopropyl alcohol
0.04-2.5%v
2
T
   
113L
Isopropyl alcohol
65-1040
2
T
   
Propylamine
180
Amines
6-120
2
T
   
180L
Amines
0.5-10
2
T
   
n-Propyl bromide
136L
Methyl bromide
10-100
2
++
   
136LA
Methyl bromide
1-18
2
++
   
Propyl cyanide
See Butyronitrile
   
Propylene
100A
LP-Gas (LPG)
0.02-0.8%v
2
     
Propylene dichloride
131LA
Vinyl chloride
40-800
2*
++
   
Propylene glycol
165L
Ethylene glycol
10-150 mg/m3
2*
++T
   
Propylene glycol methyl ether
113L
Isopropyl alcohol
15-120
2
++T
   
Propyleneime
180
Amines
5.5-110
2
T
   
180L
Amines
0.35-7
2
T
   
Propylene oxide
163
Ethylene oxide
0.065-3.9%v
2
     
163L
Ethylene oxide
1-100
1*
++T
   
Propyl mercaptan
70
Mercaptans
22.5-540
2
     
70L
Mercaptans
0.12-9.6
2
     
Pryidine
182
Pryidine
0.2-35
2
T
   
Refrigerants
See R numbers below
   
R11
See Trichlorofluoromethane
   
R12
See Dichlorofluoromethane
   
R22
See Chlorodifluoromethane
   
R112
See 1,1,2,2-Tetrachloro-1,2-difluoroethane
   
R113
See 1,1,2-Trichloro-1,2,2-trifluoroethane
   
R113b
See 1,1,1-Trichloro-2,2,2-trifluoroethane
   
R114
See 1,2-Dichloro-1,1,2,2-tetrafluoroethane    
R123
See 2,2-Dichloro-1,1,1-trifluoroethane
   
R141b
See 1,1-Dichloro--,1-fluoroethane
   
R225
See Dichloropentafluoropropane
   
R225ca
See 3,3-Dichloro-1,1,12,2-pentafluoropropane
   
Stoddard Solvent
128
Stoddard Solvent
50-8000mg/m3
2
     
Styrene
124
Styrene
10-1500
2
     
124L
Styrene
2-100
2
     
153
Methyl Isobutyl ketone
0.075-0.9%v
2
T
   
Sulfur dioxide (SO2)
5H
Sulfur dioxide
0.05-8%v
2
     
5M
Sulfur dioxide
20-3600
2
T
   
5L
Sulfur dioxide
1.25-200
2
     
5LA
Sulfur dioxide
0.5-60
2
     
5LC
Sulfur dioxide
0.1-25
2
T
   
5LB
Sulfur dioxide
0.05-10
2
     
45S
Hydrogen sulfide, Sulfur dioxide (Separate quantification
1.25-120 H2S, 0.25-20 (SO2)
2
++
   
80
Acid gases
1.5-30
2
     
Sulfuric acid
35
Sulfuric acid
0.5-5 mg/m3
2
     
Sulfur tetrafluoride
5LB
Sulfur dioxide
0.05-10
2