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Skin protection <br /> Protective gloves. Cold-insulating gloves. Protective clothing. <br /> Respiratory protection <br /> Use ventilation, local exhaust or breathing protection. <br /> Thermal hazards <br /> no data available <br /> SECTION 9: Physical and chemical properties + <br /> Information on basic physicochemical properties <br /> Physical state powder <br /> _................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... <br /> Colour Colorless gas or liquid (below 77 degrees F) ... [Note: Shipped as a liquefied compressed gas.] <br /> _................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... <br /> Odour Ethereal odor <br /> _................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... <br /> Melting point/freezing point -153.80C <br /> .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... <br /> Boiling point or initial boiling point and boiling -13.4°C(lit.) <br /> range <br /> ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... <br /> Flammability Flammable Gas <br /> _................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... <br /> Lower and upper explosion limit/flammability Lower flammable limit: 3.6% by volume; Upper flammable limit: 33.0% by volume <br /> limit <br /> _................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... <br /> Flash point -61°C <br /> _................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... <br /> Auto-ignition temperature 8820 F (USCG, 1999) <br /> ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... <br /> Decomposition temperature no data available <br /> _................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... <br /> pH no data available <br /> ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... <br /> Kinematic viscosity Viscosity, gas at 101.325 kPa at 20 deg C is 0.01072 cP; viscosity, liquid at-20 deg C is 0.280 cP <br /> ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... <br /> Solubility acetone/carbon disulfide, MEK, THF: soluble <br /> ............................ ......................................................................................................................................................................................................................................................................................................................................................... <br /> Partition coefficient n-octanol/water log Kow = 1.62 (est) <br /> ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... <br /> Vapour pressure 3,428 at 30 °C (quoted, Standen, 1964) <br /> _................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... <br /> Density and/or relative density 0.911g/mLat 250C(lit.) <br /> ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... <br /> Relative vapour density 2.15 (Air= 1) <br /> ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... <br /> Particle characteristics no data available <br /> _................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... <br />