Page 53 - Praxair - Specialty Gases and Equipment Reference Guide
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Halocarbon-C318

            (Octafluorocyclobutane)                         C      4F     8




            Transportation                                                      (M)SDS Reference
            Information                                                         P-4671
            UN Number: 1976                                                     CAS Number
                                  United States of America  Canada  Mexico
            Shipping Name        Octafluoro-    Octafluoro-   Octafluoro-       115 - 25 - 3
                                 cyclobutane    cyclobutane   cyclobutane       General Description
            Hazard Class         2.2            2.2           2.2               Colorless, nonflammable, liquefied gas.
            Label                Nonflammable   Nonflammable   Nonflammable
                                 Gas            Gas           Gas



              Product/Grade    Purity    Part Number       Cylinder   N 2  O 2  H 2 O    Other      Acidity
                                                                                      Halocarbons   (HF)
              Semiconductor, 5.0   99.999%   HA C3185.0SP   K, G, HT   3   1   1 ppm/wt   4         0.1 ppm/wt
              Semiconductor, 4.5   99.995%   HA C3184.5SP   K, G, HT   18   4   10    20            0.1 ppm/wt
              Semiconductor, 3.8   99.98%   HA C3183.8SP   K, G, HT   80   20   50    50            0.3 ppm/wt
              Semiconductor, 3.0   99.9%   HA C3183.0SP   K, G, HT   240   60   10    1000          –
              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)
              K        High  Pressure Steel   51 x 9 (129.5 x 22.9)   660/716   25.1 (1.70)   100 (45)   233 (106)
              G        High  Pressure Steel   31 x 7 (78.7 x 17.8)   660/716   25.1 (1.70)   10 (4.5)   39 (18)
              HT       Low Pressure Steel   55 x 29.8 (139.7 x 75.6)   660   25.1 (1.70)   1200 (545.5)   1515 (688.6)




     Section B – Pure Gases
              Equipment Recommendations
              Semiconductor, 5.0   Valve panels, 4000 and 3000 series regulators
              Semiconductor, 4.5   Valve panels, 4000 and 3000 series regulators
              Semiconductor, 3.8   Valve panels, 4000 and 3000 series regulators
              Semiconductor, 3.0   Valve panels, 4000 and 3000 series regulators



                                                                                i

                                                                                See Section D for additional information
                                                                                on Praxair’s Semiconductor product
                                                                                line (pages D•143 - D•148).
                                                                                See Section E for our full line
                                                                                of gas handling equipment and
                                                                                delivery systems.
            3002 Series – High Purity Regulators for
            Non-Corrosive Service (see page E •251)










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