碳酸钙-MSDS

MaterialSafetyDataSheetName:CalciumcarbonateSynonym:Precipitatedchalk;Aragonite;Agriculturallimestone;Agstone;Bellminepulverizedlimestone;Calcite;Dolomite;Franklin;BoilingchipsCAS:471-34-1Section1-ChemicalProductMSDSName:CalciumcarbonateSynonym:Precipitatedchalk;Aragonite;Agriculturallimestone;Agstone;Bellminepulverizedlimestone;Calcite;Dolomite;Franklin;Boilingchips.Section2-COMPOSITION,INFORMATIONONINGREDIENTSCAS#ChemicalNamecontentEINECS#471-34-1Calciumcarbonate99207-439-9HazardSymbols:XIRiskPhrases:36Section3-HAZARDSIDENTIFICATIONEMERGENCYOVERVIEWIrritatingtoeyes.PotentialHealthEffectsEye:Maycauseeyeirritation.Skin:Causesskinirritation.Ingestion:Ingestionoflargeamountsmaycausegastrointestinalirritation.Expectedtobealowingestionhazard.Inhalation:Lowhazardforusualindustrialhandling.Excessiveinhalationmaycauseminorrespiratoryirritation.Chronic:Chronicingestionmaycausehypercalcemia,alkalosis,andkidneydamage.Mayalsoproducemilk-alkalisyndromecharacterizedbyneurologicalsymptomssuchasirritability,lethargy,stupor,andcoma.Section4-FIRSTAIDMEASURESEyes:Flusheyeswithplentyofwaterforatleast15minutes,occasionallyliftingtheupperandlowereyelids.Getmedicalaid.Skin:Flushskinwithplentyofwaterforatleast15minuteswhileremovingcontaminatedclothingandshoes.Getmedicalaidifirritationdevelopsorpersists.Washclothingbeforereuse.Ingestion:Donotinducevomiting.Ifvictimisconsciousandalert,give2-4cupfulsofmilkorwater.Getmedicalaid.Inhalation:Removefromexposureandmovetofreshairimmediately.Ifnotbreathing,giveartificialrespiration.Ifbreathingisdifficult,giveoxygen.Getmedicalaidifcoughorothersymptomsappear.NotestoPhysician:Section5-FIREFIGHTINGMEASURESGeneralInformation:Asinanyfire,wearaself-containedbreathingapparatusinpressure-demand,MSHA/NIOSH(approvedorequivalent),andfullprotectivegear.Duringafire,irritatingandhighlytoxicgasesmaybegeneratedbythermaldecompositionorcombustion.Non-combustible,substanceitselfdoesnotburnbutmaydecomposeuponheatingtoproduceirritating,corrosiveand/ortoxicfumes.ExtinguishingMedia:Substanceisnoncombustible;useagentmostappropriatetoextinguishsurroundingfire.Section6-ACCIDENTALRELEASEMEASURESGeneralInformation:UseproperpersonalprotectiveequipmentasindicatedinSection8.Spills/Leaks:Vacuumorsweepupmaterialandplaceintoasuitabledisposalcontainer.Avoidgeneratingdustyconditions.Provideventilation.Section7-HANDLINGandSTORAGEHandling:Usewithadequateventilation.Minimizedustgenerationandaccumulation.Avoidcontactwitheyes,skin,andclothing.Avoidbreathingdust.Storage:Storeinacool,dry,well-ventilatedareaawayfromincompatiblesubstances.Keepawayfromstrongacids.Section8-EXPOSURECONTROLS,PERSONALPROTECTIONEngineeringControls:Facilitiesstoringorutilizingthismaterialshouldbeequippedwithaneyewashfacilityandasafetyshower.Useadequateventilationtokeepairborneconcentrationslow.ExposureLimitsCAS#471-34-1:UnitedKingdom,WEL-TWA:(listedascalciumcarbonate):10mg/mTWA(inhalabledust);4mg/m3TWA(respirabledust)UnitedKingdom,WEL-STEL:(listedascalciumcarbonate):30mg/STEL(inhalabledust);12mg/m3STEL(respirabledust)UnitedStatesOSHA:15mg/m3TWA(totaldust);5mg/m3TWA(respirablefraction)(listedunderCalciumcarbonate).Belgium-TWA:(listedascalciumcarbonate):10mg/m3VLEFrance-VME:(listedascalciumcarbonate):10mg/m3VMEGermany:(listedascalciumcarbonate):10mg/m3VMEJapan:(listedascalciumcarbonate):1mg/m3OEL(respirabledus4mg/m3OEL(totaldust)Malaysia:(listedascalciumcarbonate):10mg/m3TWA(particulatmattercontainingnoasbestosand1%crystallinesiliNetherlands:10mg/m3MACRussia:6mg/m3TWASpain:10mg/m3VLA-EDPersonalProtectiveEquipmentEyes:WearappropriateprotectiveeyeglassesorchemicalsafetygogglesasdescribedbyOSHA'seyeandfaceprotectionregulationsin29CFR1910.133orEuropeanStandardEN166.Skin:Wearappropriateglovestopreventskinexposure.Clothing:Wearappropriateprotectiveclothingtominimizecontactwithskin.Respirators:FollowtheOSHArespiratorregulationsfoundin29CFR1910.134orEuropeanStandardEN149.UseaNIOSH/MSHAorEuropeanStandardEN149approvedrespiratorifexposurelimitsareexceededorifirritationorothersymptomsareexperienced.Section9-PHYSICALANDCHEMICALPROPERTIESPhysicalState:SolidColor:whiteOdor:odorlesspH:8-9(solution)VaporPressure:Notavailable.Viscosity:Notavailable.BoilingPoint:Notavailable.Freezing/MeltingPoint:825degC(dec)AutoignitionTemperature:Notapplicable.FlashPoint:Notapplicable.ExplosionLimits,lower:Notavailable.ExplosionLimits,upper:Notavailable.DecompositionTemperature:825degCSolubilityinwater:Slightlysolubleinwater.SpecificGravity/Density:2.7-2.9MolecularFormula:CaCO3MolecularWeight:100.09Section10-STABILITYANDREACTIVITYChemicalStability:Stable.ConditionstoAvoid:Dustgeneration,moisture,highhumidity.IncompatibilitieswithOtherMaterials:Willigniteoncontactwithfluorine;incompatiblewithacids,alum,ammoniumsaltsandmercury+hydrogen.HazardousDecompositionProducts:Calciumoxide.HazardousPolymerization:Hasnotbeenreported.Section11-TOXICOLOGICALINFORMATIONRTECS#:CAS#471-34-1:FF9335000LD50/LC50:CAS#471-34-1:Draizetest,rabbit,eye:750ug/24HSevere;Draizetest,rabbit,skin:500mg/24HModerate;Oral,rat:LD