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Page 7 of 11 <br /> Safety Data Sheet <br /> Flammability(solid,gas): Not applicable. <br /> Section1 Stability and Reactivity <br /> Reactivity: Reacts slowly with water forming hydrated compounds, releasing heat and producing a strong <br /> alkaline solution until reaction is substantially complete. <br /> Chemical stability: The product is stable. <br /> Possibility of hazardous reactions: Under normal conditions of storage and use, hazardous reactions will not occur. <br /> Conditions to avoid: No specific data. <br /> Incompatible materials: Reactive or incompatible with the following materials:oxidizing materials,acids, aluminum <br /> and ammonium salt. Portland Cement is highly alkaline and will react with acids to produce a <br /> violent, heat-generating reaction.Toxic gases or vapors may be given off depending on the <br /> acid involved. Reacts with acids,aluminum metals and ammonium salts.Aluminum powder <br /> and other alkali and alkaline earth elements will react in wet mortar or concrete, liberating <br /> hydrogen gas. Limestone ignites on contact with fluorine and is incompatible with acids, <br /> alum,ammonium salts,and magnesium.Silica reacts violently with powerful oxidizing agents <br /> such as fluorine, boron trifluoride,chlorine trifluoride,manganese trifluoride,and oxygen <br /> difluoride yielding possible fire and/or explosions.Silicates dissolve readily in hydrofluoric <br /> acid producing a corrosive gas—silicon tetrafluoride. <br /> Hazardous decomposition products:Under normal conditions of storage and use,hazardous decomposition products should not be <br /> produced. <br /> Section 11. Toxicoloqical Information <br /> Toxicological Effects <br /> Acute toxicity: Portland Cement LD50/LC50=Not available <br /> Irritation/Corrosion: Skin: May cause serious burns in the presence of moisture. <br /> Eyes:Causes serious eye damage. May cause burns in the presence of moisture. <br /> Respiratory: May cause respiratory tract irritation. <br /> Sensitization: May cause sensitization due to the potential presence of trace amounts of hexavalent <br /> chromium. <br /> Mutagenicity: Not classified. <br /> Reproductive toxicity: Not classified. <br /> Teratogenicity: Not classified. <br /> Aspiration hazard: Not classified. <br /> Carcinogenicity Classification: <br /> Ingredient OSHA IARC ACGIH NTP <br /> Portland Cement Clinker — — A4 — <br /> Quartz(crystalline silica) — 1 A2 Known to be a human carcinogen. <br /> Specific target organ toxicity(single exposure): Product Not Classified <br /> Ingredient Category Route of Exposure Target Organs <br /> Quartz(crystalline silica) Category 3 Inhalation Respiratory tract irritation <br />