Acetylene0 pages

Acetylene

C2H2

also: Ethine

PURE GASES

Marking

Essential properties

CAS-Number

74-86-2

Characterization acc. ADR

UN 1001, Acetylene, dissolved, 2.1
Class 2, 4 F

Cylinder Marking

Colourless, in pure form odorless, flammable gas, exothermic selfignition, dissolved in acetone, lighter than air

highly flammable

Symbols of Risks

shoulder:
maroon

gas, dissolved
Physical Properties
molecular weight:
gas density at 0°C and 1,013 bar:
density ratio to air:
vapour pressure at 20°C:

26,038 kg/kmol
1,1775 kg/m3
0,9066
43,36 bar

For additional safety information see Material-/safety data sheet No. 001 (Acetylen)

Valves / Manifolds
Valve connection

acc. to national standards

Recommended Manifolds

Spectrolab FM 61

Specifications / Cylinders
Acetylene 2.6
Composition
C2H2

>

99,6

Vol.%

<
<
<

0,4
10
50

Vol.%
ppmv
mg/kg

Impurities
N2 + O2 + HC
PH3 + NH3
Acetone
Cylinders / Contents
F 10
F 20
F 50
B 12 * F 50

Remarks

Version: 1.0

2,0
4,0
9,7
105,0

kg
kg
kg
kg

For reasons of quality no filling of customer owned cylinders.

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47803 Krefeld
Tel. +49 (0) 2151 7811-0
Fax +49 (0) 2151 7811-501
info@messergroup.com
www.messergroup.com