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O      2
            Oxygen





            Transportation                                                      (M)SDS Reference
            Information                                                         P-4638
            UN Number: 1072                                                     CAS Number
                                  United States of America  Canada  Mexico
            Shipping Name        Oxygen,        Oxygen,       Oxygen,           7782 - 44 - 7
                                 Compressed     Compressed    Compressed        General Description
            Hazard Class         2.2 (5.1)      2.2 (5.1)     2.2               Colorless, odorless, highly oxidizing gas.
            Label                Nonflammable   Nonflammable   Nonflammable
                                 Gas, Oxidizer   Gas, Oxidizer   Gas, Oxidizer



              Product/Grade       Purity    Part      Cylinder  H 2 O  N 2  THC  CO    CO 2  Ar   Kr  N 2 O
                                            Number
              Research, 5.0       99.999%   OX 5.0RS   T, K     1     5    0.5   1     1     5    1   –
              Semiconductor, 5.0    99.999%   OX 5.0SP   T, K   1     5    0.5   1     1     5    3   –
              Ultra High Purity Plus, 4.5   99.995%   OX 4.5UP   T, K    1   10   1   –   –   15   –   –
              Ultra High Purity, 4.3   99.993%   OX 4.3UH   T, K, Q   3   10   1   –   –     40   –   –
              Hydrocarbon Free, 4.0   99.99%   OX 4.0HC   T, K   –    –    0.1   –     1     –    –   –
              Semiconductor, 4.0   99.99%   OX 4.0MO   T, K     3     50   1     1     1     30   –   2
              Zero, 2.6           99.6%     OX 2.6Z   T, K      3     –    0.5   –     –     –    –   –
              Extra Dry, 2.6      99.6%     OX 2.6    T, K      10    –    –     –     –     –    –   –
              Concentrations given are ppm by volume unless otherwise specified.
              Maximum ppm unless otherwise noted.




              Cylinders
              Cylinder   Style            Size                Connection    Pressure   Volume     Gross Weight
                                                                                          3
                                                                                       3
              Type                        in (cm)             CGA         psig (bar)   ft  (m )    lb (kg)
              T         High Pressure Steel   55 x 9.3 (139.7 x 23.5)   540   2640 (183)   337 (9.35)   165 (75)
              K         High Pressure Steel   51 x 9 (129.5 x 22.9)   540   2200 (154)   249 (6.90)   149 (68)
     Section B – Pure Gases
              Q         High Pressure Steel   31 x 7 (78.7 x 17.8)   540   2200 (154)   83 (2.3)   70 (31.8)


              Equipment Recommendations

                                                                                i

                                                                                See page B•86 for cryogenic
                                                                                liquid oxygen.
                                                                                See Section D, Medical Gases
                                                                                for Oxygen – U.S.P. Grade (page D•234).

                                                                                Bulk quantities available upon request.
                                                                                Praxair, your source for
            3013 Series – High Purity Regulator for                             technical support.
            Oxygen Service (see page E •269)











            B•70                              1-877-PRAXAIR                     www.praxairdirect.com
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