Ethylene Gas Specifications - SpecAir Specialty Gases UN1962

ETHYLENE Specifications
Scientific Grade - Min. Purity 99.95% O2 <10 ppm N2 <50 ppm H2O <30 ppm CH4 <200 ppm C2H6 <150 ppm UHP Grade - Min. Purity 99.9% C.P. Grade - Min. Purity 99.5%
ETHYLENE GAS INFORMATION
SYMBOL	C2H4
MOLECULAR WEIGHT	28.054
SPECIFIC VOLUME	13.70 CF / lb
FLAMMABILITY LIMITS	2.7-36% in Air
PURITY	Contact Customer Service
CGA VALVE	350
Material Safety Data Sheet	Ethylene MSDS

ETHYLENE SHIPPING INFORMATION
DOT PROPER SHIPPING NAME	Ethylene, compressed
IATA PROPER SHIPPING NAME
HAZARD CLASS	2.1
ID NUMBER	UN1962
LABELS	* F
CAS NUMBER	74-85-1
SCHEDULE B NUMBER	2901.21.0000
ZONE

* N = Non-Flammable Gas * F = Flammable Gas * P = Poison-Inhalation Hazard	* O = Oxidizer * C = Corrosive
This information is intended for reference purposes only.

Ethylene Mixture Specifications

Ethylene (C2H4)
Concentration	Cylinder Size	CGA Connection	Recommended Equipment
In Air, Zero 1ppm - 1.50% Primary, Certified and Batch	150AL 80AL 33AL	590 590 590	Single Stage Regulator: HPS 500 Two-Stage Regulator: HPT 500
	Enviro-Cyl/ One-Timers	180/C-10	CGA 180: LB150 C-10: PR 160 or PR 190

In Helium 1ppm - 30% Primary, Certified and Batch	150AL 80AL 33AL	350 350 350	Single Stage Regulator: HPS 500 Two-Stage Regulator: HPT 500
	Enviro-Cyl/ One-Timers	180/C-10	CGA 180: LB150 C-10: PR 160 or PR 190

In Nitrogen 1ppm - 30% Primary, Certified and Batch	150AL 80AL 33AL	350 350 350	Single Stage Regulator: HPS 500 Two-Stage Regulator: HPT 500
	Enviro-Cyl/ One-Timers	180/C-10	CGA 180: LB150 C-10: PR 160 or PR 190

Batch analysis available for concentration 0.1% or higher Primary analysis available for concentrations 5ppm or higher
Technical Data
Cylinder Pressure: DOT Class <2.7% >2.7 % DOT Label <2.7% >2.7 % ID No. <2.7 % >2.7 %		2000 PSIG 2.2 2.1 Nonflammable Gas Flammable Gas UN1956 UN1954

ETHYLENE Specifications