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MaterialSafety DataSheet

Perchloricacid, 70%MSDS

Section1: ChemicalProductand CompanyIdentification

ProductName: Perchloricacid, 70%

CatalogCodes: SLP4492

CAS#:Mixture.

RTECS:SC7500000

TSCA:TSCA8(b) inventory:Perchloricacid; water

CI#:Notavailable.

Synonym:

ChemicalName: PerchloricAcid

ChemicalFormula: HClO4

ContactInformation:

Sciencelab.com,Inc.

14025Smith Rd.

Houston,Texas 77396

USSales: 1-800-901-7247

InternationalSales: 1-281-441-4400

OrderOnline: ScienceLab.com

CHEMTREC(24HR EmergencyTelephone),call:

1-800-424-9300

InternationalCHEMTREC, call:1-703-527-3887

Fornon-emergency assistance,call:1-281-441-4400

Section2: CompositionandInformation onIngredients

Composition:

NameCAS# %by Weight

Water7732-18-528-31

PerchloricAcid 7601-90-369-72

ToxicologicalData onIngredients:PerchloricAcid LD50:Notavailable. LC50:Notavailable.

Section3: HazardsIdentification

PotentialAcute HealthEffects:

Veryhazardous incaseof skincontact(corrosive, irritant),ofeye contact(irritant,corrosive), ofingestion,.

Non-corrosivefor lungs.Liquidor spraymistmay producetissuedamage particularlyonmucous membranesof eyes,mouth andrespiratorytract. Skincontactmay produceburns.Inhalation ofthespray mistmayproduce severeirritation ofrespiratorytract, characterizedbycoughing, choking,orshortness ofbreath.Prolonged

exposuremay resultinskin burnsandulcerations. Over-exposurebyinhalation maycauserespiratory irritation.

Inflammationof theeyeis characterizedbyredness, watering,anditching. Skininflammationis characterizedby

itching,scaling, reddening,or,occasionally, blistering.

PotentialChronic HealthEffects:

Hazardousin caseofskin contact(sensitizer).

Non-corrosivefor skin.Non-irritantfor skin.Non-permeatorby skin.Non-irritatingto theeyes.Non-hazardous

incase ofingestion.Non-hazardous incaseof inhalation.Non-irritantfor lungs.Non-sensitizerfor lungs. p.1

CARCINOGENICEFFECTS: Notavailable.

MUTAGENICEFFECTS: Notavailable.

TERATOGENICEFFECTS: Notavailable.

DEVELOPMENTALTOXICITY: Notavailable.

Thesubstance istoxicto lungs.

Repeatedor prolongedexposureto thesubstancecan producetargetorgans damage.Repeatedor prolonged contactwith spraymistmay producechroniceye irritationandsevere skinirritation.Repeated orprolonged

exposureto spraymistmay producerespiratorytract irritationleadingto frequentattacksof bronchialinfection.

Section4: FirstAidMeasures

EyeContact:

Checkfor andremoveany contactlenses.In caseofcontact, immediatelyflusheyes withplentyof waterforat least15 minutes.Coldwater maybeused. Getmedicalattention immediately.

SkinContact:

Incase ofcontact,immediately flushskinwith plentyofwater foratleast 15minuteswhile removingcontaminated

clothingand shoes.Coverthe irritatedskinwith anemollient.Cold watermaybe used.Washclothingbefore reuse.Thoroughly cleanshoesbefore reuse.Getmedical attentionimmediately.

SeriousSkin Contact:

Washwith adisinfectantsoap andcoverthe contaminatedskinwith ananti-bacterialcream. Seekimmediate medicalattention.

Inhalation:

Ifinhaled, removetofresh air.Ifnot breathing,giveartificial respiration.Ifbreathing isdifficult,give oxygen.Get

medicalattention immediately.

SeriousInhalation:

Evacuatethe victimtoa safeareaas soonaspossible. Loosentightclothing suchasa collar,tie,belt or

waistband.If breathingisdifficult, administeroxygen.If thevictimis notbreathing,perform mouth-to-mouth

resuscitation.Seek medicalattention.

Ingestion:

DoNOT inducevomitingunless directedtodo sobymedical personnel.Nevergive anythingbymouth toan

unconsciousperson. Iflargequantities ofthismaterial areswallowed,call aphysicianimmediately. Loosentight

clothingsuch asacollar, tie,beltor waistband.

SeriousIngestion: Notavailable.

Section5: FireandExplosion Data

Flammabilityof theProduct:Non-flammable.

Auto-IgnitionTemperature: Notapplicable.

FlashPoints: Notapplicable.

FlammableLimits: Notapplicable.

Productsof Combustion:Notavailable.

FireHazards inPresenceof VariousSubstances:Combustiblematerials, organicmaterials,shock.

ExplosionHazards inPresenceof VariousSubstances:

Explosivein presenceofopen flamesandsparks, ofheat,of combustiblematerials,of organicmaterials,of acids,

ofalkalis.

Non-explosivein presenceofshocks.

FireFighting MediaandInstructions: Notapplicable.

p.2

SpecialRemarks onFireHazards:

Mayignite othercombustiblematerials.

Maydeflagrate incontactwith otheroxidizablesubstances.

Willincrease theintensityof afire.

Maycause fireoncontact withcombustibles.

Anydrousacid ingnitesoncontact withsodiumiodide orhydriodicacid. Mixturesof 2-methylpropeneandperchloric acidvapor(5:1 molar)innitrogen ignitespontaneouslyat 250C.

Anydrousacid ignitessulfinylchloride.

SpecialRemarks onExplosionHazards:

Decomposeswhen distilledatatmospheric pressure,sometimeswith explosiveviolence.

Undergoesspontaneous andexplosivedecomposition.

Perchloricacid +aceticacid cancauseexplosion.

Hotconcentrated perchloricacidacid +alcoholsor celluloseisparticularly dangerous.

Perchloricacid +anilineand thenformaldehydegives resinouscondensationproduct whichburnswith explosive

violence. Dropof anhydrousperchloricacid +diethylethercauses explosion. Dropof anhydrousperchloricacid oncharcoalcauses explosion.

70%Perchloric acidsolutionreacts instantlyandexplosively oncontactwith DibutylSulfoxide.

Perchloricacid +ethylalcohol ormethylalcohol cancauseexplosion. Perchloricacid +mostorganic materialscancause explosion. Dropof anhydrousperchloricacid onpapercan causeviolentexplosion. Explosionoccurs when70%perchloric acidcontactssulfoxides.

Someinorganic materials,suchas hypophosphites,tendto formexplosivemixtures withperchloricacid whenhot.

Reactionof anhydrousperchloricacid andwoodfibers ordustcauses violentexplosion.

Contactof fluorineand72% perchloricacidat ambienttemperatureproduces ahighyield ofexplosivegas, fluorine

perchlorate.

Perchloricacid +nitrogenousepoxides causesprecipitaitionof organicperchloratewhich ishighlyexplosive.

Containersmay explodeinfire.

Section6: AccidentalReleaseMeasures

SmallSpill:

Dilutewith waterandmop up,orabsorb withaninert drymaterialand placeinan appropriatewastedisposal container.

LargeSpill:

Corrosiveliquid. Oxidizingmaterial.

Stopleak ifwithoutrisk. AbsorbwithDRY earth,sandor othernon-combustiblematerial. Donotget waterinside

container.Avoid contactwitha combustiblematerial(wood, paper,oil,clothing...). Keepsubstancedamp using

waterspray. Donottouch spilledmaterial.Use waterspraycurtain todivertvapor drift.Prevententry into sewers,basements orconfinedareas; dikeifneeded. Callforassistance ondisposal.

Section7: HandlingandStorage

Precautions:

Keepcontainer dry.Keepaway fromheat.Keep awayfromsources ofignition.Keep awayfromcombustible material..Do notingest.Do notbreathegas/fumes/ vapor/spray.Neveradd watertothis product.Take precautionarymeasures againstelectrostaticdischarges. Incaseof insufficientventilation,wear suitable respiratoryequipment. Ifingested,seek medicaladviceimmediately andshowthe containerorthe label.Avoid contactwith skinandeyes. Keepawayfrom incompatiblessuchas reducingagents,combustible materials, organicmaterials, metals,acids,alkalis, moisture.

Storage:

Keepcontainer tightlyclosed.Keep containerina cool,well-ventilatedarea. Separatefromacids, alkalies, reducingagents andcombustibles.See NFPA43A,Code fortheStorage ofLiquidand SolidOxidizers.

Section8: ExposureControls/PersonalProtection

p.3

EngineeringControls:

Provideexhaust ventilationorother engineeringcontrolsto keeptheairborne concentrationsofvapors belowtheir

respectivethreshold limitvalue.

PersonalProtection:

Faceshield. Fullsuit.Vapor respirator.Besure tousean approved/certifiedrespiratoror equivalent.Gloves.

Boots.

PersonalProtection inCaseof aLargeSpill:

Splashgoggles. Fullsuit.Vapor respirator.Boots.Gloves. Aselfcontained breathingapparatusshould be

usedto avoidinhalationof theproduct.Suggested protectiveclothingmight notbesufficient; consultaspecialist

BEFOREhandling thisproduct.

ExposureLimits: Notavailable.

Section9: PhysicalandChemical Properties

Physicalstate andappearance:Liquid.(Oily liquid.)

Odor:Odorless.

Taste:Notavailable.

MolecularWeight: Notapplicable.

Color:Colorless.Clear

pH(1% soln/water):Neutral.

BoilingPoint: 203°C(397.4°F)

MeltingPoint: -19°C(-2.2°F)

CriticalTemperature: Notavailable.

SpecificGravity: 1.67(Water =1)

VaporPressure: 0.9kPa (@20°C)

VaporDensity: 3.46(Air =1)

Volatility:Notavailable.

OdorThreshold: Notavailable.

Water/OilDist. Coeff.:Notavailable.

Ionicity(in Water):Notavailable.

DispersionProperties: Seesolubility inwater.

Solubility:Easilysoluble incoldwater.

Section10: StabilityandReactivity Data

Stability:Unstable.

InstabilityTemperature: Notavailable.

Conditionsof Instability:

p.4 Perchloricacid itselfisunstable (volatile)inconcentrated form.Itmay undergospontaneousand explosive decomposition. Itis alsounstableif heatedandin contactwithincompatible materials,andmoisture.

Incompatibilitywith varioussubstances:

Highlyreactive withcombustiblematerials, organicmaterials,acids, alkalis.

Reactivewith reducingagents,metals.

Corrosivity:

Extremelycorrosive inpresenceof aluminum,ofcopper. Highlycorrosive inpresenceof stainlesssteel(304),of stainlesssteel(316).

Non-corrosivein presenceofglass.

SpecialRemarks onReactivity:

Incompatiblewith acids,aceticanhydride, alcohols,anilineand formaldehyde,alkalinematerials, organic

materials,combustible materials(cellulose,paper, wood),AntimonyIII compounds,bismuth,charcoal, dibutyl

sulfoxide,diethyl ether,dimethylsulfoxide, fluorine,glycerineand leadoxide,glycol ethers,hydriodicacid,

hydrogen,hypophosphites, ketones,methylalcohol, nitrogeniodide,nitrosophenol, phosphorouspentoxide,

phosphoruspentoxide andchloroform,sodium iodide,steel,sulfoxides, sulfurtrioxide.May reactviolentlyor

explosivelywith manyofthese compounds.

Reactionwith fuelsmaybe violent.

Mixturesof aceticacid,perchloric, andaceticanhydride havevaryingdegrees ofsensitivityto shock.

Additionof aceticanhydrideto aqueoussolutionof perchloricacidcauses formationofacetic acidwhichcan react

violentlywith perchloricacid. Perchloricacid isveryhydroscopic andcombinesvigorously withwaterwith evolutionofheat.

SpecialRemarks onCorrosivity:

Theaqueous isverycaustic.

Minorcorrosive effectonbronze.

Polymerization:Willnot occur.

Section11: ToxicologicalInformation

Routesof Entry:Absorbedthrough skin.Dermalcontact. Eyecontact.Inhalation. Ingestion. Toxicityto Animals:Acuteoral toxicity(LD50):1100 mg/kg[Rat]. ChronicEffects onHumans:Causesdamage tothefollowing organs:lungs.

OtherToxic EffectsonHumans:

Extremelyhazardous incaseof inhalation(lungcorrosive). Veryhazardous incaseof skincontact(corrosive, irritant),ofeye contact(corrosive),of ingestion,.

SpecialRemarks onToxicityto Animals:Notavailable.

SpecialRemarks onChronicEffects onHumans:Notavailable.

SpecialRemarks onotherToxic EffectsonHumans:

AcutePotential HealthEffects:

Skin:Causes skinburns.May causedeeppenetrating ulcersofthe skin.

Eyes:Causes eyeburns.May causeretinaldamage.

Inhalation:May causesevereirritation oftherespiratory tractwithsore throat,coughing,shortness ofbreathand

delayedlung edema.Inhalationmay fatalasa resultofspasm, inflammation,edemaof thelarynxand bronchi, chemicalpneumonitis, andpulmonaryedema. Ingestion:Harmful ifswallowed.Causes intestinaltractburns (corrosionorburns ofthemouth, throat, esophagus).Symptoms mayincludepain, dysphagia,necroticareas, epigastricpain,which maybeassociated withnausea, andvomiting,corrosive ulceration,gastricbleeding, profoundthirst,scanty urine,shockand circulatorycollapse. Mayalsoaffect behavior,respiration(dyspnea),and metabolism,liver,kidneys, and cardiovascularsystem.

ChronicPotential HealthEffects:

p.5 Skin:Repeated orprolongedskin contactmaycause skinsensitization,an allergicreactionand possible destructionand/or ulceration. Inhalation:Prolonged orrepeatedinhalation maycausenosebleeds, nasalcongestion,erosion oftheteeth, perforationof thenasalseptum, chestpainand bronchitis. Eyes:Prolonged orrepeatedeye contactmaycause conjunctivitis. Ingestion:Chronic ingestionmaycause effectssimilarto thoseofacute ingestion.

Section12: EcologicalInformation

Ecotoxicity:Notavailable.

BOD5and COD:Notavailable.

Productsof Biodegradation:Possiblyhazardous short/longtermdegradation productsareto beexpected. Toxicityof theProductsof Biodegradation:Notavailable. SpecialRemarks ontheProducts ofBiodegradation:Notavailable.

Section13: DisposalConsiderations

WasteDisposal:

Wastemust bedisposedof inaccordancewith federal,stateand localenvironmental controlregulations.

Section14: TransportInformation

DOTClassification:

CLASS5.1: Oxidizingmaterial.

Class8: Corrosivematerial

Identification::Perchloric acidUNNA:1873 PG:I

SpecialProvisions forTransport:Notavailable.

Section15: OtherRegulatoryInformation

Federaland StateRegulations:

Connecticuthazardous materialsurvey.:Perchloric acid RhodeIsland RTKhazardoussubstances: Perchloricacid

PennsylvaniaRTK: Perchloricacid

MassachusettsRTK: Perchloricacid

Massachusettsspill list:Perchloricacid

NewJersey: Perchloricacid

TSCA8(b) inventory:Perchloricacid; water

OtherRegulations:

OSHA:Hazardous bydefinitionof HazardCommunicationStandard (29CFR1910.1200). EINECS:This productison theEuropeanInventory ofExistingCommercial ChemicalSubstances.

OtherClassifications:

WHMIS(Canada):

CLASSC: Oxidizingmaterial.

CLASSE: Corrosiveliquid.

DSCL(EEC):

p.6

R5-Heating maycausean explosion.

R8-Contact withcombustiblematerial

maycause fire.

R35-Causes severeburns.

S23-Do notbreathegas/fumes/vapour/spray

S26-In caseofcontact witheyes,rinse

immediatelywith plentyofwater andseek medicaladvice.

S36-Wear suitableprotectiveclothing.

S45-In caseofaccident orifyou feelunwell,

seekmedical adviceimmediately(show the labelwhere possible).

HMIS(U.S.A.):

HealthHazard: 3

FireHazard: 0

Reactivity:3

PersonalProtection:

NationalFire ProtectionAssociation(U.S.A.):

Health:3

Flammability:0

Reactivity:3

Specifichazard:

ProtectiveEquipment:

Gloves.

Fullsuit.

Vaporrespirator. Besureto usean

approved/certifiedrespirator or equivalent.Wear appropriaterespirator whenventilation isinadequate.

Faceshield.

Section16: OtherInformation

References:Notavailable.

OtherSpecial Considerations:Notavailable.

Created:10/10/200511:14 AM

LastUpdated: 10/10/200511:14 AM

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