Page 59 - Praxair - Specialty Gases and Equipment Reference Guide
P. 59

i-C         4H       10
            Isobutane





            Transportation                                                      (M)SDS Reference
            Information                                                         P-4613
            UN Number: 1969                                                     CAS Number
                                  United States of America  Canada  Mexico
            Shipping Name        Isobutane      Isobutane     Isobutane         75 - 28 - 5
            Hazard Class         2.1            2.1           2.1               General Description
            Label                Flammable Gas    Flammable Gas   Flammable Gas   Colorless, flammable, liquefied gas
                                                                                with a slight odor.




              Product/Grade     Purity       Part      Cylinder    H 2 O  N 2   O 2   Other    Sulfur
                                             Number                                   THC
              Research, 4.0     99.99 wt%    IS 4.0RS   FX/FXS,    3      20    5     90 wt    1 wt
                                (liquid phase)         LP5
              Instrument, 2.5   99.5 wt%     IS 2.5IS   HT, FX/FXS,    5   400   100   0.49%   1 wt
                                (liquid phase)         LP5
              Chemically Pure (CP),    99.0 wt%   IS 2.0   HT, FX/FXS   10   800   200   0.9%    1 wt
              2.0               (liquid phase)         LP5
              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/DISS     psig (bar)   lb (kg)   lb (kg)
              HT       Low Pressure Steel   55 x 29.8 (139.7 x 75.6)   510   31 (2.14)   490 (222.7)   805 (365.9)
              FX/FXS   Low Pressure Steel   45 x 15 (114.3 x 38.1)   510/555   31 (2.14)   116 (52.6)   191 (87)
              LP5      Low Pressure Steel   17.6 x 12 (44.85 x 30.48)   510   31 (2.14)   23 (10.4)   41 (18.6)



     Section B – Pure Gases
              Equipment Recommendations
              Research, 4.0     3000 series regulators
              Instrument, 2.5   2000 series regulators
              Chemically Pure   2000 series regulators
              (CP), 2.0


                                                                                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.
            2002 Series – High Purity
            Economical Regulator
            (see page E •257)




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