Page 62 - Praxair - Specialty Gases and Equipment Reference Guide

CH 4
Methane

Transportation (M)SDS Reference
Information P-4618
UN Number: 1971 CAS Number
United States of America Canada Mexico
Shipping Name Methane, Methane, Methane, 74 - 82 - 8
Compressed Compressed Compressed General Description
Hazard Class 2.1 2.1 2.1 Colorless, odorless, flammable gas.
Label Flammable Gas Flammable Gas Flammable Gas

Product/Grade Purity Part Cylinder O 2 H 2 O N 2 C 2 H 6 Other
Number THC
Research, 5.0 99.999% ME 5.0RS T, K, Q 2 2 5 5 2
Ultra High Purity Plus, 4.0 99.99% ME 4.0UP T, K, Q 5 5 40 60 10
Ultra High Purity, 3.7 99.97% ME 3.7UH T, K, Q 10 5 100 – 250
Chemically Pure (CP), 2.0 99.0% ME 2.0 T, K, Q 500 10 2000 – 8000
Commercial, 1.3 93.0% ME 1.3 T, K, Q – – – – –
Concentrations given are ppm by volume unless otherwise specified.
Maximum ppm unless otherwise noted.

Cylinders
Cylinder Style Size Connection Pressure Volume Gross Weight
3
Type in (cm) CGA psig (bar) ft (m ) lb (kg)
3
T High Pressure Steel 55 x 9.3 (139.7 x 23.5) 350 2400 (165) 346 (9.59) 162 (74) Section B – Pure Gases
K High Pressure Steel 51 x 9 (129.5 x 22.9) 350 2000 (138) 255 (7.07) 144 (65)
Q High Pressure Steel 31 x 7 (78.7 x 17.8) 350 2000 (138) 85 (2.36) 69 (31)

Equipment Recommendations

Research, 5.0 Valve panels, 4000 series regulators
Ultra High Purity Plus, 4.0 3000 series regulators
Ultra High Purity, 3.7 3000 series regulators
Chemically Pure (CP), 2.0 2000 series regulators
Commercial, 1.3 2000 series regulators

i

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

Bulk quantities available upon
request. Contact your Praxair
representative for details.
2012 Series – High Purity Economical
Regulator for Non-Corrosive Service
(see page E •256)

1-877-PRAXAIR www.praxairdirect.com B•61