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OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION <br /> -MATERIAL SAFETY DATA. <br /> SECTION 1 <br /> Freshly mixed unhardened concrete <br /> SECTION 11 HAZARDOUS INGREDIENTS <br /> Mixture of Portland Cement.aggregates:Chemical and/or Mineral Admixtures <br /> Portland Cement(CAS 65997.15-1) <br /> 3CaO-SIO2(CAS#12168-85-3):2Ca0-SI02(CAS#10034-77-2) <br /> 3Ca0-AL203(CAS#23042-78-3);4Ca0-AL203Fe303(CAS#12068-35-8) <br /> CaSO4ZH2O(CAS#7778-18-19);Traces of CaO,M90.K2.SO4,Na2So4 <br /> Aggregates: <br /> Inert rock and sand <br /> Admixtures: <br /> May include flash and very small amounts of organic and inorganic materials <br /> which have no effect on the hazards associated with the use of the product. <br /> SECTION III PHYSICAL DATA <br /> Gray,flowable,granular,odorless mass <br /> Specific gravity 1.9-2.4 <br /> SECTION IV FLAMMABILITY HAZARD <br /> None <br /> SECTION V HEALTH HAZARD <br /> Can dry skin and cause alkali burn(Cement Den'natitis).Can cause eye irritation. <br /> SECTION VI REACTIVITY HAZARD <br /> May be corrosive to metals in plastic state.Hardens in 2-8 hours and is no longer hazardous. <br /> SECTION VII SPILL PROCEDURE <br /> Contain until hardened.dispose of as common waste. <br /> SECTION Vill PERSONAL PROTECTION <br /> Use barrier creams,gloves,boots and clothing to protect skin from prolonged contact. <br /> Wash with soap and water to avoid possible cement burns.Irrigate eyes with clean water. <br />