Page 62 - Praxair - Specialty Gases and Equipment Reference Guide
P. 62

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
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