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Helium <br />Section 8. Exposure controls/personal protection <br />Based on the hazard and potential for exposure, select a respirator that meets the <br />appropriate standard or certification. Respirators must be used according to a <br />respiratory protection program to ensure proper fitting, training, and other important <br />aspects of use. Respirator selection must be based on known or anticipated exposure <br />levels, the hazards of the product and the safe working limits of the selected respirator. <br />Respiratory protection : <br />Section 9. Physical and chemical properties <br />Physical state <br />Melting point <br />Relative density <br />Solubility <br />Gas. [Compressed gas.] <br />-272.2°C (-458°F) <br />Not applicable. <br />Not available. <br />Odorless.Odor <br />pH <br />Colorless.Color <br />Evaporation rate Not available. <br />Auto-ignition temperature <br />Flash point <br />Not available. <br /> [Product does not sustain combustion.] <br />0.28 <br />Not available. <br />Viscosity Not applicable. <br />Not available.Odor threshold <br />Partition coefficient: n- <br />octanol/water <br />: <br />: <br />: <br />: <br />: <br />: <br />: <br />: <br />: <br />: <br />: <br />: <br />: <br />Appearance <br />Boiling point :-268.9°C (-452°F) <br />Flammability (solid, gas):Not available. <br />Lower and upper explosive <br />(flammable) limits <br />:Not available. <br />Decomposition temperature :Not available. <br />Solubility in water :Not available. <br />:4 g/moleMolecular weight <br />Flow time (ISO 2431):Not available. <br />Vapor pressure <br />Vapor density 0.14 (Air = 1) Liquid Density@BP: 7.8 lb/ft3 (125 kg/m3) <br />Not available.: <br />: <br />Specific Volume (ft 3/lb):96.1538 <br />Gas Density (lb/ft 3):0.0104 <br />Critical temperature :-267.9°C (-450.2°F) <br />Section 10. Stability and reactivity <br />Hazardous decomposition <br />products <br />Conditions to avoid No specific data. <br />Under normal conditions of storage and use, hazardous decomposition products should <br />not be produced. <br />The product is stable.Chemical stability <br />No specific data. <br />: <br />: <br />: <br />Incompatible materials : <br />Possibility of hazardous <br />reactions <br />:Under normal conditions of storage and use, hazardous reactions will not occur. <br />Reactivity :No specific test data related to reactivity available for this product or its ingredients. <br />Date of issue/Date of revision :1/27/2021 Date of previous issue :4/23/2018 Version :1.02 5/10