Page 70 - Praxair - Specialty Gases and Equipment Reference Guide
P. 70

N      2O
                                              Nitrous Oxide





            Transportation                                                      (M)SDS Reference
            Information                                                         P-4636
            UN Number: 1070                                                     CAS Number
                                  United States of America  Canada  Mexico
            Shipping Name        Nitrous Oxide   Nitrous Oxide   Nitrous Oxide  10024 - 97 - 2
            Hazard Class         2.2 (5.1)      2.2 (5.1)     2.2               General Description
            Label                Nonflammable    Nonflammable   Nonflammable    Colorless, odorless, liquefied gas with
                                 Gas, Oxidizer   Gas, Oxidizer   Gas, Oxidizer   a slightly sweetish taste and odor.




              Product/     Purity     Part      Cylinder  O 2  H 2 O  N 2  THC  CO 2  CO  NH 3  NO 2  NO
              Grade                   Number
              Semiconductor,   99.9995%   NS 5.5SP   K, AS   0.5   1   3   0.1   0.5   0.1   0.1   0.1    0.1
              5.5
              Semiconductor,  99.998%  NS 4.8SP  K, AS   2    3     8   1      2     1    1     1     1
              4.8
              High Purity, 4.0   99.99%   NS 4.0   K     5    3     25   1     10    10   –     –     –
              Atomic       99.5%      NS 2.5AA  K        –    –     –   –      –     –    –     –     –
              Absorption, 2.5
              Concentrations given are ppm by volume unless otherwise specified.
              Maximum ppm unless otherwise noted.




              Cylinders
              Cylinder   Style               Size              Connection   Pressure    Volume    Gross Weight      Section B – Pure Gases
              Type                           in (cm)           CGA          psig (bar)   lb (kg)   lb (kg)
              K         High Pressure Steel   51 x 9 (129.5 x 22.9)   326/712   745 (51.36)   64 (29)   175 (80)
              AS        High Pressure Aluminum   48 x 8 (121.9 x 20.3)   326/712   745 (51.36)   39 (17.7)   87 (39.4)





              Equipment Recommendations
              Semiconductor, 5.5   Valve panels and 4000 series regulators
              Semiconductor, 4.8   Valve panels and 4000 series regulators
              High Purity, 4.0   3000 series regulators
              Atomic          3000 series regulators
              Absorption, 2.5


                                                                                i

                                                                                See Section D, Medical Gases for
                                                                                Nitrous Oxide – U.S.P. Grade
                                                                                (page D•232).
                                                                                See Sections F and G
                                                                                for safety and technical
                                                                                information.
            4012 Series – Critical Purity Regulator
            for Corrosive Service (see page E •244)







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