(+86) 021-5198 7501

Special gases

Classified navigation
ethylene

ethylene

description
Ethylene (C2H4) is a colorless, flammable, weak odor.

specification
Purity , % 99.5 99.99 99.999
oxygen ≤25 ppmv ≤2 ppmv ≤2 ppmv
Nitrogen ≤100 ppmv ≤5 ppmv ≤2 ppmv
carbon dioxide ≤15 ppmv ≤5 ppmv ≤2 ppmv
Carbon monoxide ≤5 ppmv ≤2 ppmv ≤2 ppmv
Acetylene ≤10 ppmv  ≤4 ppmv  ≤2 ppmv
Other hydrocarbons ≤4000 ppmv  ≤80 ppmv  ≤8 ppmv
Moisture ≤5 ppmv ≤5 ppmv ≤2 ppmv

transport
DOT shipping name Ethylene, compressed
DOT classification 2.1
DOT tag flammable gas
UN NO. UN 1962
CAS NO. 74-85-1
CGA/JIS/BS341/DIN477 350/W22-14L/NO.4/NO.1
Transportation status Compressive sunny day

Technical Information
Cylinder condition @ 21.1°C  gas
Burning limit in the air 2.7-36%
Auto-ignition temperature ( °C ) 450
Molecular weight ( g / mol ) 28.054
Specific gravity (air =1) 0.969
Critical temperature ( °C ) 9.21
Critical pressure ( psig ) 715.13

application
- for chemical polymerization processes; 
- for the production of other chemical intermediates; 
- ripening of various mature fruits; 
- for the distribution of various standard gases;

Home
Map
Telephone
Consultation

Detailed address: Office 906, Yinqiao Building, 58 Jinxin Road, Pudong New Area, Shanghai, China. Zip Code : 200135