C4F8 Halocarbon-C318 (Octafluorocyclobutane) Transportation Information UN Number: 1976 Shipping Name Hazard Class Label (M)SDS Reference P-4671 United States of America Octafluoro- cyclobutane 2.2 Nonflammable Gas Product/Grade Semiconductor, 5.0 Semiconductor, 4.5 Semiconductor, 3.8 Semiconductor, 3.0 Purity 99.999% 99.995% 99.98% 99.9% Canada Octafluoro- cyclobutane 2.2 Nonflammable Gas Part Number HA C3185.0SP HA C3184.5SP HA C3183.8SP HA C3183.0SP Mexico Octafluorocyclobutane 2.2 Nonflammable Gas Cylinder K, G, HT K, G, HT K, G, HT K, G, HT CAS Number 115 - 25 - 3 General Description Colorless, nonflammable, liquefied gas. N2O2H2O 3 1 1 ppm/wt 18 4 10 80 20 50 240 60 10 Other Halocarbons 4 20 50 1000 Acidity (HF) 0.1 ppm/wt 0.1 ppm/wt 0.3 ppm/wt – Concentrations given are ppm by volume unless otherwise specified. Maximum ppm unless otherwise noted. Section B – Pure Gases Cylinders Cylinder Type K G HT Style High Pressure Steel High Pressure Steel Low Pressure Steel Size in (cm) 51 x 9 (129.5 x 22.9) 31 x 7 (78.7 x 17.8) 55 x 29.8 (139.7 x 75.6) Connection CGA/DISS 660/716 660/716 660 Pressure psig (bar) 25.1 (1.70) 25.1 (1.70) 25.1 (1.70) Volume lb (kg) 100 (45) 10 (4.5) 1200 (545.5) Gross Weight lb (kg) 233 (106) 39 (18) 1515 (688.6) Equipment Recommendations Semiconductor, 5.0 Semiconductor, 4.5 Semiconductor, 3.8 Semiconductor, 3.0 Valve panels, 4000 and 3000 series regulators Valve panels, 4000 and 3000 series regulators Valve panels, 4000 and 3000 series regulators 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) B•52 1-877-PRAXAIR www.praxairdirect.com
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