Halocarbon 32 (Difluoromethane) CH 2F2

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Halocarbon 32 (Difluoromethane) CH 2F2 Grade ULSI 4N ULTIMA 4N8 Purity, % 99.99 99.998 Nitrogen ≤40 ppmv ≤5 ppmv Oxygen ≤10 ppmv ≤2 ppmv Carbon Dioxide ≤15 ppmv ≤1 ppmv Methane ≤2 ppmv ≤1 ppmv Water ≤5 ppmv ≤1 ppmv Carbon Tetrafluoride ≤5 ppmv ≤1 ppmv Other Organics ≤100 ppmv ≤10 ppmv Carbon Monoxide ≤1 ppmv Acidity as HF ≤0.1 ppmw • A lot analysis is provided for each order – Individual analysis is also available upon request. • Other Organics = H 12 , H 22 , H 23 , H 134a Internal Volume Liters 43.8 17.1 7.3 R E Cylinder Sizes >> QF GF UF D N I L lbs 64 25 11 Y Content C kg 29.1 11.35 5 Change Point* lbs 4.3 1.7 0.7 *Recommended Cylinder Change Point at NTP, based on Phase Break, or the amount of product left in the cylinder when the liquid phase has completely evaporated and only gaseous product is left (estimate based on ideal gas behavior). DOT Shipping Name Difluoromethane Shipped as P I DOT Classification 2.1 (Flammable Gas) H S Liquefied DOT Label FLAMMABLE GAS Gas UN Number UN 3252 Cylinder Pressure 207 psig Temp, °C 0.0 15.5 21.0 32.2 43.3 A Vapor T A @NTP 15.6 atm Press, psig 102 172 207 279 372 D 3 Pressure L Specific Volume 0.45 m /kg Temp, °F 32 60 70 90 110 A 3 C NTP = 21°C or 70°F and 101.3 kPa or 1 atm I @NTP 7.2 ft /lb N H CAS No 75-10-5 C E T CGA/DISS/JIS 350/724/W22-14L Molecular Weight 52 g/mol Nominal Diameter (OD)xHeight* Material of Construction Cylinder Treatment cm Inches Cylinder Valve ® QF ULTRA-LINE 23x130/134/143 9x51/52.5/56 CS SS ® GF ULTRA-LINE 23x66/70/79 9x26/27.5/31 CS SS ® UF ULTRA-LINE 15x51/55/64 6x19/20.5/24 CS SS *Height is reported as the distance from the bottom of the cylinder to the cylinder neck/ center of the valve outlet/ top of the handwheel CS: Carbon Steel SS: Stainless Steel WARNING: This product can expose you to chemicals including Carbon Monoxide, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. http://www.mathesongas.com .

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