Ethyne C2H2

C2H2

Ethyne C2H2 C2H2
Ethyne C2H2 C2H2
Name：Ethyne C2H2
Type：C2H2
Product Name:  Ethyne  C2H2             
Packing:  40L cylinder
Filling Content: 5kg/cyl
Items Specifications
C2H2 99.6% 99.95%
O2 ≤ 10 ppm
N2 ≤ 30 ppm
CO2 ≤ 1 ppm
CO ≤ 20 ppm
H2 ≤ 5 ppm
CH4 ≤ 200 ppm
H2O ≤ 100 ppm
H2S ≤ 10 ppm
PH3 ≤ 10 ppm
Air ≤ 900 ppm
Transportation
DOT Shipping Name              Acetylene, Dissolved
DOT Classification 2.1
DOT Label              Flammable Gas
UN Number              UN 1001
CAS No. 74-86-2
CGA/BS341/DIN477 510/NO.2/NO.3
Shipped as Liquefied Gas             
Technical Information
Cylinder State @ 21.1°C              Liquid
Flammable Limits In Air              2.2-85%
Auto Ignition Temperature (°C ) 305
Molecular Weight (g/mol) 26.038
Specific gravity (air =1) 0.906
Critical Temperature ( °C ) 35.17
Critical Pressure ( psig ) 890.208


Applications：

· In optical spectrometry as an instrumentation gas.

· As a fuel gas in atomic absorption spectrometry for elemental analysis.

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