Page 43 - Praxair - Specialty Gases and Equipment Reference Guide

C 2H 4
Ethylene

Transportation (M)SDS Reference
Information P-4598
UN Number: 1962 CAS Number
United States of America Canada Mexico
Shipping Name Ethylene Ethylene, Ethylene 74 - 85 - 1
Compressed General Description
Hazard Class 2.1 2.1 2.1 Colorless, flammable gas with a
Label Flammable Gas Flammable Gas Flammable Gas sweet odor and taste.

Product/Grade Purity Part Number Cylinder O 2 H 2 0 CO 2 CO N 2 Acetylene Other THC
Research, 5.0 99.999% EY 5.0RS T, K, Q 2 3 2 2 2 2 8
Polymer, 3.0 99.9% EY 3.0PL T, K, Q 20 5 10 3 100 8 800
High Purity, 2.5 99.5% EY 2.5 T, K, Q 100 5 15 5 300 – 4000
Chemically Pure 98.5% EY 1.85 T, K – – – – – – –
(CP), 1.85
Concentrations given are ppm by volume unless otherwise specified.
Maximum ppm unless otherwise noted.

Cylinders

Cylinder Style Size Connection Pressure Volume Gross Weight
Type in (cm) CGA psig (bar) lb (kg) lb (kg)
T High Pressure Steel 55 x 9.3 (139.7 x 23.5) 350 1600 (110.31) 37 (16.7) 180 (82)
K High Pressure Steel 51 x 9 (129.5 x 22.9) 350 1200 (82.74) 30 (13.6) 163 (74)
Q High Pressure Steel 31 x 7 (78.7 x 17.8) 350 1200 (82.74) 10 (4.5) 75 (34)
G High Pressure Steel 20 x 6 (50.8 x 15.2) 350 1200 (82.74) 4.5 (2) 35 (15.9)
Cylinder packs and
tube trailers are
available upon request.
Section B – Pure Gases

Equipment Recommendations
Research, 5.0 4000 series regulator
Polymer, 3.0 3000 series regulator
High Purity, 2.5 3000 series regulator
Chemically Pure 2000 series regulator
(CP), 1.85

i

See Section D for additional
information on Praxair products
for the Hydrocarbon Processing
Industry (pages D•175 - D•184).

See Sections F and G
for safety and technical
information.
2012 Series – High Purity Economical
Regulator for Non-Corrosive Service
(see page E •256)

B•42 1-877-PRAXAIR www.praxairdirect.com