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Helium

            Cryogenic Liquids                                    He




            Transportation                                                      (M)SDS Reference
            Information                                                         P-4600
            UN Number: 1963                                                     CAS Number
                                  United States of America  Canada  Mexico
            Shipping Name        Helium,        Helium,       Helium,           7440 - 59 - 7 (R)
                                 Refrigerated   Refrigerated   Refrigerated     General Description
                                 Liquid         Liquid        Liquid            Colorless, odorless, nonflammable,
            Hazard Class         2.2            2.2           2.2               cryogenic liquid and gas.
            Label                Nonflammable   Nonflammable   Nonflammable
                                 Gas            Gas           Gas


              Product/  Purity     Part      Cylinder     O 2   N 2  H 2 O    CO    CO 2    THC  H 2  Ne
                        Grade                Number
              5.0       99.999%    HE LT     LT60, LT100,   1   5    2      1     1      0.1    1    2
                                             LT250, LT500
              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)                             psig (bar)   lt      lb (kg)
              LT60     Portable Liquid Unit   51 x 24 (127.3 x 61)   Coupling for 3/8"    1 (0.07)   60   209 (95)
                                                            or ½" transfer tube
              LT100    Portable Liquid Unit   59 x 24 (147.9 x 61)   Coupling for 3/8"    1 (0.07)   100   249 (113)
                                                            or ½" transfer tube
              LT250    Portable Liquid Unit   67 x 32 (171.1 x 81.3)   Coupling for 3/8"    1 (0.07)   250   526 (239)
                                                            or ½" transfer tube
              LT500    Portable Liquid Unit   70 x 42 (179.3 x 106.7)   Coupling for 3/8"    1 (0.07)   500   824 (374)
     Section B – Pure Gases
                                                            or ½" transfer tube



              Equipment Recommendations





                                                                                i
                                                                                See Sections F and G
                                                                                for safety and technical
                                                                                information.





            Dewar Changeover System
            (see page E •288)








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