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PRODUCT SPECIFICATION SHEET <br />Sulfur Dioxide <br />AG111akr Effective 09/10/2015 <br />pre«s <br />> .. <br />Chemical Properties: <br />CAS#: <br />7446-09-5 <br />Chemical formula: <br />SO2 <br />Sulfur Dioxide, weight %: <br />99.9 Minimum <br />Moisture, ppm: <br />100.00 Maximum <br />Sulfuric acid, ppm: <br />25.00 Maximum <br />Non-volatile residue ppm: <br />100.00 Maximum <br />Physical Properties: <br />Boiling point: <br />14 "F <br />Freezing point: <br />- 104 °F <br />Specific gravity (Gas), g/mL <br />2.25 @ 32 °F <br />Specific gravity (Liquid), g/mL: <br />1.43 @ 32/39 °F <br />Vapor pressure, psig: <br />28 @ 60 -F <br />Appearance: <br />Colorless <br />Odor: <br />Suffocating, pungent odor <br />Packaged by: <br />Alexander Chemical Corporation <br />Kingsbury Industrial Park <br />Kingsbury, Indiana 46345 <br />800/348-8827 <br />