Butane
C4H10
PURE GASES
Marking
Essential properties
CAS-Number
106-97-8
Colourless, narcotic, flammable gas, liquified, heavier than air
Characterization acc. ADR
UN 1011, Butane, 2.1
Class 2, 2F
Symbols of Risks
extremely flammable
shoulder:
red
Cylinder Marking
gas, liquified
Physical Properties
molecular weight:
gas density at 0°C and 1,013 bar:
density ratio to air:
vapour pressure at 20°C:
58,123 kg/kmol
2,709 kg/m3
2,095
2,081 bar
For additional safety information see Material-/safety data sheet No. *-C4H10-017
Valves / Manifolds
Valve connection
acc. to national standards
Recommended Manifolds
Spectrolab control valve PN 40
Specifications / Forms of delivery
2.5
3.5
>
99,5
99,95
Vol.-%
<
<
<
<
100
400
5
4500
10
40
3
500
ppmv
ppmv
ppmv
ppmv
24,5
4,9
-
kg
kg
Composition
C4H10
Impurities
O2
N2
H2O
other HC
Cylinders / Contents
F 10
F 50
Version: 2.0