Nitrous Oxide. N 2 O Product information Characteristics Physical data Product specification Packaging information Purity grade Typical purity Typical impurities [ppm] N 2 O 2 +Ar CO CO 2 THC (CH 4 ) NH 3 H 2 5.2N ≥99.9992 % <2 <1 <0.5 <0.5 <0.1 <0.5 <1 <0.5 Nitrous oxide is an oxygen precursor for silicon oxide, silicon oxynitride as well as other low-k dielectric thin films, and metallic oxides. Oxidizer. Colorless and odorless gas. Gas density is heavier than air. Molecular weight [g/mol] 44.013 Boiling point at 1.013 bar [°C] -88.48 at 14.5 psi [°F] –127.24 Density at 1.013 bar, 15 °C [kg/m³] 1.873 at 1 atm., 70 °F [lb/ft³] 0.114 Vapor pressure at 0 °C [bar] 37.5 at 32 °F [psi] 543.9 at 20 °C [bar] 58.5 at 70 °F [psi] 848.5 Flammability range in air (% volume) Non-combustible Package options Cylinder designa- tion Cylinder internal volume Cylinder material Cylinder diameter Cylinder height to valve outlet Cylinder tare weight Fill contents Pressure (psig) @ 35 o C Valve outlet Valve material ISO Tube Trailer* 1000L 1000L Steel 559 mm 5334 mm 12000 kg 600 kg 1010 CGA 712 SS Ton container** 440L 440L Steel 609 mm 2032 mm 567 kg 305 kg 1010 CGA 712 SS Cylinder** 47L 47L Steel 232 mm 1410 mm 52 kg 30 kg 1010 CGA 712 SS → Datasheet Local Partner. Global Expertise. SPECTRA® EM Notes: * Each tube, 10 tubes and 12 tubes for each I 50 **Liquified gas H 2 O NO NO 2 <0.5 <1