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N     2
                                              Nitrogen





            Transportation                                                      (M)SDS Reference
            Information                                                         P-4631
            UN Number: 1066                                                     CAS Number
                                  United States of America  Canada  Mexico
            Shipping Name        Nitrogen,      Nitrogen,     Nitrogen,         7727 - 37 - 9
                                 Compressed     Compressed    Compressed        General Description
            Hazard Class         2.2 Nonflammable  2.2 Nonflammable  2.2 Nonflammable   Colorless, odorless, nonflammable
            Label                Gas            Gas           Gas               inert gas.




              Product/Grade   Purity   Part     Cylinder  O 2  H 2 O  CO 2   CO  THC  H 2    NOx  N 2 O    SO 2   SF 6   Halogens
                                       Number
              Research, 6.0   99.9999%  NI 6.0RS   T, K   0.5  0.2  0.1  0.1  0.1   –   –   –   –   –   –
              Chromatography, 6.0  99.9999%  NI 6.0CH   T, K,    0.5  0.5  0.1  0.1  0.1   –   –   –   –   –   –
              Semiconductor, 6.0   99.9999%  NI 6.0SP   T, K   0.2  0.2  0.1  0.1  0.1   0.1  –   –   –   –   –
              CEM, 5.5        99.9995%  NI 5.5CE   AS, AQ,   0.5  2   1   0.5  0.1   –   0.1   –   0.1   –   –
                                                A3
              Trace Analytical   99.9995%  NI 5.5TG   T, K   1   2   0.1  1   0.1   –   –   –   –   –   500 ppt (1)
              Grade, 5.5
              LaserStar, 5.5   99.9995%  NI 5.5LS   AT   1   2   –   –   0.1   –   –   –   –    –     50 ppt (2)
              Semiconductor, 5.5   99.9995%  NI 5.5SP   T, K   0.5  0.5  0.5  1   0.5   0.5  –   –   –   –   –
              Ultra High Purity   99.9993%  NI 5.3UP   T, K   1   1   0.5  0.5  0.5   –   –   –   –   –   –
              Plus, 5.3
              Ultra Zero Ambient   99.999%   NI 5.0UM   T, K,    2   2   0.5  0.1  0.5   –   0.02  –   0.005  0.001  –
              Monitoring, 5.0                   AS, AQ
              Volatile Organic   99.999%   NI 5.0VC   AS, AQ,   2   2   0.3  0.01  0.1 (3)   –  –    –    0.01  –  –
              Compound Free, 5.0                A3
              Vehicle Emission   99.999%   NI 5.01065  T, K,    2   –   10   1   0.05  –   0.02    0.02  –   –   –   Section B – Pure Gases
              Zero (1065), 5.0                  AS, AQ
              LaserStar, 5.0   99.999%   NI 5.0LS   T, K   1   3   –   –   0.5   –   –   –   –   –    –
              Ultra High Purity, 5.0   99.999%   NI 5.0UH   T, K, Q,   1   3   –   –   0.5   –   –   –   –   –   –
              Semiconductor, 5.0  99.999%  NI 5.0SP  T, K  1  3  1  2   1    2   –    –    –    –     –
              Vehicle Emission   99.998%   NI 4.8VE   T, K,    0.5  1   1   0.5  0.1   –   0.1   –   –   –   –
              Zero, 4.8                         AS, AQ
              Zero, 4.8       99.998%   NI 4.8Z   T, K,   4   3   –   –   0.5   –   –   –   –   –     –
              High Purity, 4.8   99.998%   NI 4.8   6K, 3K,    5   3   –   –   –   –   –   –   –   –   –
                                                T, K,
              Concentrations given are ppm by volume unless otherwise specified.
              Maximum ppm unless otherwise noted.
              (1)   No peaks exceed the equivalent of 500 ppt Halogens.
              (2)   No peaks exceed the equivalent of 50 ppt Halogens.
              (3)   Can be individually analyzed for customer selected VOC components.



              i

              See next page for Nitrogen cylinder specifications
              and equipment recommendations.
















            1-877-PRAXAIR                     www.praxairdirect.com                                        B•65
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