peroxide forming chemicals (pfcs) · peroxide forming chemicals chemical class standard operating...

PeroxideFormingChemicalsChemicalClassStandardOperatingProcedure

Rev.Date:2017-03-28

PeroxideFormingChemicals(PFCs)

Examples:Tetrahydrofuran,Diethylether,Isopropylether,Acetaldehyde,Styrene

FormorePFCs,seeAppendix

ThisSOPisnotasubstituteforhands-ontraining.

PrintacopyandinsertintoyourlaboratorySOPbinder.

Department: Chemistry

DateSOPwaswritten: Thursday,March23,2017

DateSOPwasapprovedbyPI/labsupervisor: Friday,March24,2017

PrincipalInvestigator:Name:F.Fischer

Signature:______________________________

InternalLabSafetyCoordinatororLabManager:Name:StephenvonKugelgen

LabPhone:510.301.1058

OfficePhone:510.642.8252

EmergencyContact:Name:StephenvonKugelgen

PhoneNumber:510.301.1058

Location(s)coveredbythisSOP: TanHall674,675,676,679,680,683,684

1.Purpose

ThisSOPcoverstheprecautionsandsafehandlingproceduresfortheuseofPeroxideFormingChemicals(PFCs).

ForalistPFCscoveredbythisSOPandtheiruse(s),seethe“ListofChemicals”.ProceduresdescribedinSection12applytoallmaterialscoveredinthisSOP.Achangetothe“ListofChemicals”doesnotconstituteachangeintheSOPrequiringrevieworretraining.Ifyouhavequestionsconcerningtheapplicabilityofanyrecommendationorrequirementlistedinthisprocedure,contactthePrincipalInvestigator/LaboratorySupervisororthecampusChemicalHygieneOfficeratucbcho@berkeley.edu

2.Physical&ChemicalProperties/DefinitionofChemicalGroup

Peroxideformingchemicalsareusuallyflammable,andallmayformexplosiveperoxides.

Awidevarietyoforganiccompoundsspontaneouslyformperoxidesbyafreeradical


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reactionofthehydrocarbonwithmolecularoxygen.Undernormalstorageconditions,formedperoxidescanaccumulateinthechemicalcontainerandmayexplodewhensubjectedtoheat,light,frictionormechanicalshock.

Organicfunctionalgroupslikelytoformperoxidesinclude:

• Ethersandacetals• Alkenesandallylichydrogen• Chloroalkenesandfluoroalkenes• Vinylhalides,esters,ethers• Dienes• Vinylalkyneswithαhydrogen• Alkylalkyneswithαhydrogen• Alkylareneswithtertiaryαhydrogen• Alkanesandcycloalkaneswithtertiaryhydrogen• Acrylatesandmethacrylates• Secondaryalcohols• Ketoneswithαhydrogen• Aldehydes• Ureas,amides,andlactamswithαhydrogenonacarbonattachedtonitrogen

3.PotentialHazards/Toxicity

PFCsarechemicalsthatwhenexposedtoairmayproduceunstableanddangeroushydroperoxideandperoxidesproductsovertime.

PFCsmayalsohaveotherhazardouspropertiesincludingtoxicity.Safeuserequiresassessingallpotentialhazards.

ItisthePrincipal Investigator’s responsibility toensureactivity-specific laboratoryproceduresand/orprocessesaretakenintoaccountwhenusingthisChemicalClassSOP.Please,reviewtheSDSofanychemicalbeforeuse(seeSection11–SDSLocation).

4.EngineeringControls

Lab-specificinformationonengineeringcontrolsmaybeincludedintheProtocol/Proceduresection.ThefollowingisthesetofengineeringcontrolsrequiredwhenhandlingPFCs:

• WorkwithPFC–theworkmustbeconductedinafumehoodunlessothercontrolsaredesignatedinthelab-specificProtocol/Proceduresection.Sashheightmustbekeptaslowaspossibletoavoidescapingfumesandprovideaphysicalbarrier.

• LaboratoriesandroomswherePFCsareusedmusthavegeneralroomventilationthatisnegativepressurewithrespecttothecorridorsandexternalenvironment.Thelaboratory/roomdoormustbekeptclosedatalltimes.

5PersonalProtectiveEquipment

Ataminimum,thefollowingPPEmustbewornatalltimes.EyeandFaceProtection


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A. ANSIZ87.1-compliantsafetyglasseswithsideshields,orchemicalsplashgoggles.

• Ordinary prescription glasses will NOT provide adequate protection unless they alsomeetANSIstandardandhavecompliantsideshields.

B. Ifthepotentialforexplosion/splashingexists,andadequatecoverageisnotprovidedbythehoodsash,afaceshieldmustbeworn.

SkinandBodyProtection

1. Glovesarerequiredwhenhandlinghazardouschemicals.• RefertospecificchemicalSDSforinformationongloveselection.• Foradditionalinformationongloveselection,goto:

http://ehs.berkeley.edu/hs/63-laboratory-safety/94-glove-selection-and-usage.html2. Labcoatsarerequiredwhenhandlinghazardouschemicalsinthelab.Selectthetypeoflabcoat

accordingtothehazardsatthespecificworkplace.3. Longpants,closed-toe/closed-heelshoes,coveredlegs,andankles.

RespiratoryProtection

RespiratoryprotectionisnormallynotrequiredforUCBerkeleylaboratoryactivities.Anylabpersonnelconsideringtheuseofarespirator(e.g.N-95respirator,dustmask)mustcontactEH&Sforaworkplaceassessment.

6.FirstAidProceduresandMedicalEmergencies

Intheeventofaninjury,notifyyoursupervisorimmediatelyandEH&Swithin8hours.

GototheOccupationalHealthFacility(TangHealthCenter,oncampus); ifafterhours,gotothenearestemergencyroom(AltaBates,2450AshbyAveinBerkeley);or

Call911(fromacellphone:510-642-3333)if:

• itisalifethreateningemergency;or

• younotareconfidentinyourabilitytofullyassesstheconditionsoftheenvironmentand/orthe condition of the contaminated/injured person, or you cannot be assured of your ownsafety;or

• thecontaminated/injuredpersonisnotbreathingorisunconscious.

Please remember to provide a copy of the appropriate manufacturer SDS (if available) to theemergency responders or physician. At a minimum, be ready to provide the identity/name of anyhazardousmaterialsinvolved.

IncaseofskincontactIfskincontactoccurs,and/orskinorclothingareonfire,immediatelydrenchinthesafetyshowerwithcopiousamountsofwaterfornolessthan15minutestoremoveanyremainingcontaminants.Ifpossibletodosowithoutfurtherinjury,removeanyremainingjewelryorclothing.IncaseofeyecontactRinsethoroughlywithplentyofwaterusinganeyewashstationforatleast15minutes,occasionallyliftingtheupperandlowereyelids.Removecontactlensesifpossible.Ifswallowed


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DoNOTinducevomitingunlessdirectedotherwisebytheSDS.Nevergiveanythingbymouthtoanunconsciousperson.Rinsemouthwithwater.IfinhaledMoveintofreshair.Needlestick/punctureexposureWashtheaffectedareawithantisepticsoapandwarmwaterfor15minutes.

7.SpecialHandling,Storage,TestingandDisposalRequirements

Lab-specificinformationonhandlingandstoragemaybeincludedinSection12-Protocol/Procedure.

PrecautionsforSafeHandling:

• LabeleachcontainerwiththeDateReceived,DateOpenedandDateLastTested.• TestchemicalsforperoxidebeforeanydistillationorpurificationofPFCs.• Donotallowtoevaporatetoneardrynessunlessabsenceofperoxideshasbeenshown.When

possible,addanon-volatileorganiccompound(suchasmineraloil)todiluteanyperoxidesremainingafterdistillation.

• UseextremecautionbeforeconcentratingorpurifyingPFCsasmostexplosionsoccurduringtheseprocesses.

• PFCsmustbestoredintheiroriginalmanufacturer’scontainerwheneverpossible. Thisisveryimportantinthecaseofdiethyletherbecausetheironinthesteelshippingcontainersactsasaperoxideinhibitor.PFCsmustbestoredinsealed,air-impermeablecontainersandmustbekeptawayfromlight(lightcaninitiateperoxideformation).Darkamberglasswithatightfittingcapisappropriate.

• Keepawayfromsourcesofignition–Openflames(e.g.,Bunsenburner).Inparticular,takemeasurestopreventthebuild-upofheatorelectrostaticcharge.

• Eliminateorsubstituteforalesshazardousmaterialwhenpossible.• Designyourexperimenttousetheleastamountofmaterialpossibletoachievethedesired

result.• DonotexceedthescaleofproceduresspecifiedinProtocol/Proceduresectionwithoutapproval

ofthePI.• Verifyyourexperimentalset-upandprocedurepriortouse.• Knowthelocationofthenearesteyewash,safetyshowerandfireextinguisherbeforebeginning

work.• Uponleavingtheworkarea,removeanypersonalprotectiveequipmentwornandwashhands.• Attheendofeachproject,thoroughlydecontaminatetheworkareaaccordingtothematerial

beinghandled.

ConditionsforSafeStorageandShelfLife

• Peroxidestendtoforminmaterialsslowlyoverseveralmonthstoyears.Therefore,itisimperativethatresearchersareawareoftheageoftheirPFCs.

• PFCsmustbestoredintheiroriginalmanufacturer’scontainerwheneverpossible.MinimizeperoxideformationinethersandotherPFCbystoringintightlysealedcontainersinacoolplaceintheabsenceoflight.


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• SomePFCsmustbekeptunderinertatmosphere,butothersthatcontaininhibitorsrequireoxygentofunction.Refertomanufacturer’srecommendationforproperstorageofthosematerials.

• EachcontainerofaPFC,uponarrivalinthelaboratory,mustbedated.Itmustalsobedatedwhenopenedforthefirsttime. Speciallabels,providedbyEH&Sandattachedtothecontainer,areusedtorecordthesedates,asshownbelow.Additionally,datesoftestingmustbeaddedtothelabel.

VisualInspection

VisuallyinspectallPFCsbeforeanyoperation.

Forliquids:Evidenceofpossibleperoxideformationinliquidsincludes:

• Solidsorcrystalsareobservedineithertheliquid• SolidsorcrystalsareobservedaroundthecapofPFCs• Visiblediscoloration• Liquidstratification

Diethyletheriscommonlysoldinsteelcontainerswhichpreventsvisualinspectionoftheliquid.Therefore,diethylethercontainerswhoseageandusehistoryareunknownmustbeassumedtocontaindangerouslevelsofperoxidesandmustnotbedisturbed.

Forsolids:Evidenceofpossibleperoxideformationinsolids(potassiummetal,potassiumamide,andsodiumamide)includes:

• Formationofasurfacecrust(forexample,potassiummetalformsayellowororangesuperoxideatthesurface)

• Discolorationofthesolid

Evaluationofalkalimetalsandtheiramidesisbasedonvisualcriteriaonly.Thesesubstancesreactstronglywithwater,andtheSOPforhandlingwaterreactivematerials(WR)mustbefollowedforthesechemicals,aswellastheprecautionsdescribedinthisSOP.

Onlychemicalsthatpassvisualinspectionmustbetested.

TestingforPeroxides

• Researchersmustnevertestcontainersofunknownageororigin.Oldercontainersarefarmore


Rev.Date:2017-03-28

likelytohaveconcentratedperoxidesorperoxidecrystallizationinthecapthreadsandthereforecanpresentaserioushazardwhenopenedfortesting.

• NevertrytoforceopenarustedorstuckcaponacontainerofaPFC.

• AllPFCswhicharetobedistilledmustbetestedpriortodistillationregardlessofage.

ThemostconvenienttestmethodistheuseofperoxideteststripsmanufacturedbyAldrichandseveralothersuppliers;theymaybeobtainedfromEH&S.Stripsthatoffera1-100ppmperoxiderangeareusefulfordeterminingifthematerialisbelowthecontrolpointof100PPM. Othertestingmethodsareavailable.ContactEH&Sat642-3073formoreinformation.

Disposal

● APFCmustbedisposedofbytheendoftheexpirationdate,ortestedforperoxidecontent.● Assumethatcontainersthatexhibitanyunusualvisualcharacteristicscontaindangerous

levelsofperoxidesanddonotdisturbthecontainer.NotifyEH&S,whowillassistinthefurtherevaluation.Ifthereisanydoubtaboutthesafetyofhandlingachemicalcontainer,notifyEH&Simmediately.

● Anycontainerfoundtohaveaperoxideconcentrationgreaterthanorequalto100ppmmustbedisposeof.ContactEH&Sat642-3073forassistance.

● Materialswhichareolderthanthesuggestedshelflifebuthavebeentestedandhaveperoxideconcentrationslessthan100ppmmayberetainedbutmustbetestedatregularintervals(seemanufacturer’srecommendationforpropertestinganddisposal).

● Wastematerialsgeneratedmustbetreatedasahazardouswaste.● TheemptycontainermustberinsedthreetimeswithaCOMPATIBLEsolvent;leaveitopen

inthebackofthehoodovernight.Solventrinsesandwaterrinsemustbedisposedofashazardouswaste.

● Asanalternative,unrinsedemptycontainerscanbedisposedofthroughEH&Sashazardouswaste.Theunrinsedemptycontainersmustbecapped.

● Donotmixwithincompatiblewastestreams.● Decontaminationofcontainersinordertousethemforotherpurposesisnotpermitted.

8.SpillandAccidentProcedure

Spill–Assesstheextentofdanger;ifnecessaryrequesthelpbycalling911(fromacellphone:510-642-3333)foremergencyassistanceor510-642-3073fornon-lifethreateningsituations.Ifyoucannotassesstheconditionsoftheenvironmentwellenoughtobesureofyourownsafety,donotenterthearea.Ifpossiblehelpcontaminatedorinjuredpersons.Evacuatethespillarea.Avoidbreathingvaporsfromspill.Ifpossible,confinethespilltoasmallareausingaspillkitorabsorbentmaterial.Keepothersfromenteringcontaminatedarea(e.g.,usecautiontape,barriers,etc.).

• MinorSpill–Intheeventofaminorspill,ifthereisnopotentialforhazardouschemicalexposure,reportthespillto510-642-3073andproceedtocleanit,ifyouaretrained.Useappropriatepersonalprotectiveequipmentandclean-upmaterialforchemicalspilled.Doublebagspillwasteinclearplasticbags,labelandrequestpick-up.

• MajorSpill–Anyhazardouschemicalspillthatinvolveschemicalexposure,anychemicalspillthatduetosizeand/orhazardrequirescapabilitiesbeyondyourtraining,oranychemicalspillthatgivestheperception(becauseofodor,forexample)thattherehasbeenahazardousrelease.Call911or510-642-3073forassistance.


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9.CleaningandDecontamination

Lab-specificinformationondecontaminationmaybeincludedinSection12-Protocol/Procedure.

• WearingproperPPE,laboratoryworksurfacesmustbecleanedattheconclusionofeachprocedureandattheendofeachworkday.

• Decontaminateallequipmentbeforeremovingfromadesignatedarea.

10.HazardousWasteDisposal

LabelWaste

• Labelallwastecontainers.SeetheEH&SFactSheet,“HazardousWasteManagement”forgeneralinstructionsonproceduresfordisposingofhazardouswaste.

DisposeofWaste

• Disposeofregularlygeneratedchemicalwastewithin6months.

• ContactEH&Sat642-3073ifyouneedassistance.

11.SafetyDataSheet(SDS)Location

SDScanbeaccessedonlineathttp://ucsds.com


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12.Protocol/Procedure–PeroxideFormingChemicals(PFC)

Procedure/Use Scale EngineeringControls/Equipment

PPE(eye,face,gloves,clothing) ProcedureStepsandSpecialPrecautionsforthisProcedure

1.PFCusedasareagent.

Upto100gassuppliedinthereagentbottle.RemembertoobtainPIapprovalifhigherscaleisnecessary.Documentthisapprovalinyournotebook

Allreactionsusingthesematerialsmustbeperformedinaproperlyoperatingfumehoodwiththesashaslowaspossibleorinaninertatmosphereglovebox.Openflamesandpossiblesparkingandstaticelectricitymustbeavoidedwheneverpossible.BlastshieldisrequiredifaPFCmaybedistilledtodrynessorevaporatedtodryness.

Eyeprotection:WearANSIApprovedtight-fittingsafetygogglesorsafetyglasseswithsideshields.FaceProtection:Faceshieldsaretobeusedwhenthereisariskofsplashingorsprayingandthereisnoprotectionfromthehoodsash.HandProtection:Confirmcompatibilityofglovematerialwithchemicalbeingused.Generalguidance(unlessotherwisespecifiedinthespecificSDS):Nitrileglovesmustbeusedtopreventincidentalcontact.Forspillhandlingorforpotentialcontactwithlargerquantities,usedoublenitrileorheaviergaugenitrileorneoprenegloves.Glovesmustbeinspectedpriortouse.Washanddryhandsafteruse.Clothing:Wearlabcoat;full-lengthpantsorequivalent;andclose-toed,close-heeledshoes.

Donotallowtoevaporatetodrynessunlessabsenceofperoxideshasbeenshown.Chromatography,distillation,orevaporationofPFCsefficientlyremovesallstabilizers.Collectedfractionsandrotavapcondensatemustbetreatedasunstabilizedandshouldnotbestoredinairforprolongedperiods.

Notes AnydeviationfromthisSOPrequiresapprovalfromPI.


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2.UsingPFCsassolventsinreactions,forextractions.

Upto2Lassuppliedinthereagentbottle.RemembertoobtainPIapprovalifhigherscaleisnecessary.Documentthisapprovalinyournotebook


Eyeprotection:WearANSIApprovedtight-fittingsafetygogglesorsafetyglasseswithsideshields.FaceProtection:Faceshieldsaretobeusedwhenthereisariskofsplashingorsprayingandthereisnoprotectionfromthehoodsash.HandProtection:Confirmcompatibilityofglovematerialwithchemicalbeingused.Generalguidance(unlessotherwisespecifiedinthespecificSDS):Nitrileglovesmustbeusedtopreventincidentalcontact.Forspillhandlingorforpotentialcontactwithlargerquantities,usedoublenitrileorheaviergaugenitrileorneoprenegloves.Glovesmustbeinspectedpriortouse.Washanddryhandsafteruse.Clothing:Wearlabcoat;full-lengthpantsorequivalent;andclose-toed,close-heeledshoes.

Donotallowtoevaporatetodrynessunlessabsenceofperoxideshasbeenshown.Ifarotaryevaporatorisused,useanopencoldtrapsystemtocondensethesolventvaporandventtheexhaustintothefumehood.Distillation/evaporationofPFCsefficientlyremovesallstabilizers.Collectedfractionsandrotavapcondensatemustbetreatedasunstabilizedandshouldnotbestoredinairforprolongedperiods.Pressurecanbebuiltupwhenthesesolventsareusedinclosedreactionvessels.Adequateventilation(e.g.pressurebubbleronSchlenkmanifold,oranequilibratingballoon)mustbeusedtopreventdangerousoverpressurization.Pressuremaybebuiltupwhenperformingextractions.Adequateventilation(openthevalvefrequentlyduringtheextraction)hastobeusedtopreventdangerousoverpressurization.Thevaporinsuchaprocessmustbereleasedinafumehood.Ifheated,thereactionapparatushastobefittedwithanadequatelysizedcondenserwithadequatecoolingtopreventevaporation.Coolanthoseshavetobesecuredwithhoseclampstothecondenserandtheoutlet.



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3.UsingPFCsassolventsincolumnchromatography(CC)orthinlayerchromatography(TLC).

Upto2Lassuppliedinthereagentbottle.RemembertoobtainPIapprovalifhigherscaleisnecessary.Documentthisapprovalinyournotebook


Eyeprotection:WearANSIApprovedtight-fittingsafetygogglesorsafetyglasseswithsideshields.FaceProtection:Faceshieldsaretobeusedwhenthereisnoprotectionfromthehoodsashandariskofsplashingorsprayingexists.HandProtection:Confirmcompatibilityofglovematerialwithchemicalbeingused.Generalguidance(unlessotherwisespecifiedinthespecificSDS):Nitrileglovesmustbeusedtopreventincidentalcontact.Forspillhandlingorforpotentialcontactwithlargerquantities,usedoublenitrileorheaviergaugenitrileorneoprenegloves.Glovesmustbeinspectedpriortouse.Washanddryhandsafteruse.Clothing:Wearlabcoat;full-lengthpantsorequivalent;andclose-toed,close-heeledshoes.

Donotallowtoevaporatetodrynessunlessabsenceofperoxideshasbeenshown.ChromatographyandevaporationofPFCsefficientlyremovesallstabilizers.Collectedfractionsandrotavapcondensatemustbetreatedasunstabilizedandshouldnotbestoredinairforprolongedperiods.ColumnChromatography:collectfractionsofinterestandconcentrateasneeded.Ifmorethan2Loftotalsolventisrequiredfortheoperation,dispense,collect,andconcentratenomorethan2Latatime.Ifarotaryevaporatorisused,useanopencoldtrapsystemtocondensethesolventvaporandventtheexhaustintothefumehood.Afteruseinthecolumn,allowthesolventtoevaporatefromthepackingmaterialpriortoproperdisposalofthepackingmaterial.



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4.UsingPFCsassolventsforcleaningglassware

Upto0.5Latatime.RemembertoobtainPIapprovalifhigherscaleisnecessary.Documentthisapprovalinyournotebook

Allreactionsusingthesematerialsmustbeperformedinaproperlyoperatingfumehoodwiththesashaslowaspossible.Openflamesandpossiblesparkingandstaticelectricitymustbeavoidedwheneverpossible.BlastshieldisrequiredifaPFCmaybedistilledtodrynessorevaporatedtodryness.

Eyeprotection:WearANSIApprovedtight-fittingsafetygogglesorsafetyglasseswithsideshields.FaceProtection:Faceshieldsaretobeusedwhenthereisnoprotectionfromthehoodsashandariskofsplashingorsprayingexists.HandProtection:Confirmcompatibilityofglovematerialwithchemicalbeingused.Generalguidance(unlessotherwisespecifiedinthespecificSDS):Nitrileglovesmustbeusedtopreventincidentalcontact.Forspillhandlingorforpotentialcontactwithlargerquantities,usedoublenitrileorheaviergaugenitrileorneoprenegloves.Glovesmustbeinspectedpriortouse.Washanddryhandsafteruse.Clothing:Wearlabcoat;full-lengthpantsorequivalent;andclose-toed,close-heeledshoes.

Glasswarerinsedwithisopropanoltodryitasafinalstepincleaningmaybeallowedtodryonadryingrackoutsidethefumehood.AllowglasswarerinsedwithotherPFCstodryinthefumehoodbeforeputtingaway.



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13.DocumentationofTraining(signatureofallusersisrequired)

• PriortoconductinganyworkwithPeroxideFormingChemicals,designatedpersonnelmustprovidetrainingtohis/herlaboratorypersonnelspecifictothehazardsinvolvedinworkingwiththespecificchemical(s)used,workareadecontamination,andemergencyprocedures.

• ThePrincipalInvestigatormustprovidehis/herlaboratorypersonnelwithacopyofthisSOPanda

copyoftheSDSprovidedbythemanufacturer.IhavereadandunderstandthecontentofthisSOP:

Name Signature Identification Date


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Appendix:ListofPeroxideFormingChemicals(non-exhaustivelist)ListA:Chemicalsthatformexplosivelevelsofperoxideswithoutconcentration.Thesearethemosthazardousandcanformexplosiveperoxidelevelsevenifnotopened.Testforperoxideformationordiscardafter3monthsofreceivingthechemicals.Isopropylether Divinylacetylene PotassiummetalPotassiumamide Sodiumamide VinylidenechlorideDivinylether

ListB:Chemicalsthatformexplosivelevelsofperoxidesonconcentrationthroughdistillation,evaporation,orexposuretoairafteropening.Testforperoxideformationordiscardafter12months.

Acetal Acetaldehyde Benzylalcohol2-Butanol Chlorofluoroethylene Cumene(isopropylbenzene)Cyclohexene 2-Cyclohexen-1-ol CyclopenteneDecahydronaphthalene(decalin) Diacetylene(butadiyne)(gas) DicyclopentadieneDiglyme Diethylether(ether) EthyleneglycoletheracetatesFuran 4-Heptanol 2-HexanolMethylacetylene(gas) 3-Methyl-1-butanol Methylisobutylketone4-Methyl-2-pentanol 2-Pentanol 4-Penten-1-ol1-Phenylethanol Tetrahydrofuran(THF) Tetrahydronaphthalene(tetralin)Vinylethers Secondaryalcohols DioxanesEthyleneglycoldimethylether(glyme) Methylcyclopentane

ListC:Chemicalsthatmayautopolymerizeasresultofperoxideformation.Testforperoxideformationordiscardafter12months

Acrylicacid Styrene AcrylonitrileTetrafluoroethylene(gas) Butadiene Vinylacetylene(gas)Chloroprene Vinylacetate Chlorotrifluoroethylene(gas)Vinylchloride(gas) Methylmethacrylate VinylpyridineChlorobutadiene Vinylidenechloride


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ListofChemicals

Chemical(s) Chemical(s) Chemical(s)–Use(s):1,2,3,4-Tetrahydronaphthalene 1,2-Dimethoxyethane 1,3-Butadiene1,4-Dioxane 2-(2-Butoxyethoxy)ethylacetate 2-(4-CHLOROPHENOXY)-N-(5-(3,4-

DICHLOROBENZYL)-1,3-2-Butoxyethylacetate 2-Ethoxyethanol 2-Ethoxyethylacetate2-Furylmethylketone 2-Methoxyethanol 3,4-Dihydro-2H-pyran4-Methyl-2-pentanone Acetal AcrylicacidAcrylonitrile Allylether AnetholeAnisole Butylglycidylether ChloroprenesolutionChlorotrifluoroethylene Cumene Cyclohexenecyclopentadiene Cyclopentene Decahydronaphthalene,mixtureof

cis+transdiacetylene(gas) Dibenzylether DibutyletherDicyclopentadiene Diethylether DiethyleneglycoldimethyletherDiisopropylether Dimethoxymethane DiphenyletherDipropylether divinylacetylene divinyletherEthylvinylether Ethyleneglycolbutylether FuranIsoamylether iso-butylether IsopropylalcoholMethylmethacrylate Methylcyclopentane p-Anisaldehydepotassiumamide Propyne SodiumamideStyrene Tetrafluoroethylene TetrahydrofuranVinylacetate vinylacetylene(gas) Vinylidenechloride

peroxide forming chemicals (pfcs) · peroxide forming chemicals chemical class standard operating...

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