MERIDIAN
UNIVERSAL GAS DETECTOR
INSTALLATION
4-3
USE AND DISCLOSURE OF DATA
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prohibited.
Pentane
C
5
H
12
109-66-0
Propane
C
3
H
8
74-98-6
1.5
Propylene
CH
3
CH=CH
2
115-07-1
0.8
Toluene
C
6
H
5
CH
3
108-88-3
3.2
o-Xylene
C
6
H
4
(CH
3
)
2
95-47-6
3.7
Note: Vapor densities (Air= 1.0 atmosphere @25°C). Therefore, values <1 raise and values >1 sink.
Table 4-2: Gas Density Relative to Air and CAS No. – Toxic (E-Chem)
Gas
Symbol
CAS No.
Value
Ammonia
NH
3
7664-41-7
0.6
Arsine
AsH
3
7784-42-1
2.7
Boron Trichloride
BCl
3
10294-34-5
6.1
Bromine
Br
2
7726-95-6
5.5
Carbon Dioxide
CO
2
124-38-9
1.5
Carbon Monoxide
CO
630-08-0
1.0
Chlorine
Cl
2
7782-50-5
2.4
Chlorine Dioxide
ClO
2
10049-04-4
2.3
Diborane
B
2
H
6
19287-45-7
1.0
Dichlorosilane
SlH
4
Cl
2
4109-96-0
3.5
Fluorine
F
2
7782-41-4
1.3
Germane
GeH
4
7782-65-2
2.6
Hydrogen
H
2
1333-74-0
0.1
Hydrogen Chloride
HCl
7647-01-0
1.3
Hydrogen Cyanide
HCN
74-90-8
0.9
Hydrogen Fluoride
HF
7664-39-3
0.7
Hydrogen Selenide
H
2
Se
7783-07-5
2.8
Table 4-1: Gas Density Relative to Air and CAS No. – Combustibles (LEL) (Continued)
Gas
Symbol
CAS No.
Value