General Information
Ethylene is a colorless, flammable compressed gas with a sweet odor. It is a simple asphyxiant.

Technical Information

CAS number 74-85-1
Molecular weight 28.1
Specific volume 13.8cf/lb.
CGA valve 350
Lecture bottle valve 180/110

Shipping Information

Proper shipping name Ethylene, compressed
DOT Class 2.1
UN number 1962
DOT label Flammable Gas

Purity Cylinder Size Volume Pressure
      (@70°F)
99.5% Lecture bottle 0.25 lbs. 1200
99.9% 16 11 lbs. 1200
Or 44 30 lbs. 1200
99.96% 49 37 lbs. 1200


Product Specifications

Assay: 99.5% 99.9% 99.96%
Impurities:      
Oxygen <25 <15 <5
Nitrogen <3,500 <500 <15
Methane <100 <50 <15
Ethane <1,000 <500 <350
Carbon Monoxide <5 <1 <1
Carbon Dioxide <5 <1 <1
Acetylene <1 <1 <1
Sulfur <1 <1 <1
Moisture <5 <3 <1
Total Impurities: <5,000 <1,000 <400

All impurities listed measured in PPM.
All products here are sold on the basis of total impurities.
Impurities may vary slightly. Customer is contacted if specific impurity is higher than typical.
All measurements are ppm weight unless otherwise stated.