sds - caustic pencil applicator - moore small active tips of various forms of toughened silver...

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  • PRODUCTSAFETYDATASHEETCausticPencilsandCausticApplicators Page1

    BrayGroupLtd

    PRODUCTSAFETYDATASHEET

    CausticPencil&CausticApplicator

    1. Identificationoftheproductsandcompany

    Productsanduses: Causticpencilsorapplicators,consistingofplastichandlesbearingsmallactivetipsofvariousformsoftoughenedsilvernitrate,formedicinaluseinthetreatmentofwarts,verrucae,granulationtissue,forcauteryandasamedicinalcaustic.

    Specialnotes: Usersmustfollowcarefullythemedicalinstructionssuppliedwitheachtypeofproduct.Muchoftheinformationincludedonthissafetydatasheetrefersonlytothechemicalcomponentsofthecaustictipswhentheproductsareremovedfromtheirpackagingreadyforuse.However,thecaustictipsconstituteonlyasmallpercentageweightproportionofthetotalproductweight(includingtherelativelyinertplastichandlesandprimarypackaging).Thusthebulkproductsareaconsiderablydilutedformofthepureactivetips,andformanypurposesaresubstantiallylesshazardous.

    ProductCodes: 75,75/L,77,80,80/L,80/S,81,82,83,90,453,680,6240,7382,7383,7482,7600,118395

    Companyname: BrayGroupLtd

    Companyaddress: RegalWay,Faringdon,Oxfordshire,SN77BX,UnitedKingdom

    Emergencyphone: +44(0)1367240736

    Emergencyfax: +44(0)1367242625

    2. Compositionandinformation(onchemicalcomponentsofactivecaustictipmixture)

    Chemicalidentity: SilvernitrateBP(AgNO3)fusedwithpotassiumnitrateBP(KNO3).

    CASnumbers: Silvernitrate:7761888;potassiumnitrate:7757791.

    3. Hazardsidentification

    General: TheACTIVECAUSTICTIPMIXTUREitselfismedicallycausticandirritatingtoeyes,mouthandskin,istoxicbyingestion,andamildoxidisingagent.Itmayformexplosivemixtureswithsomesubstances,thoughthebulkproductinthisformisnotanetoxidisingagentin,forexample,afire.Therearenosignificantlongtermenvironmentaleffectsinsmallquantities.

    4. Firstaidmeasures

    Ingestion: Poisoningbyingestionisunlikelyinviewofthemannerofdosageandquantitiesinvolved.Butwheningestedseekmedicalattentionimmediately.Donotinducevomiting.Nevergiveanythingbymouthtoanunconsciousperson.Medicalpersonnel

  • PRODUCTSAFETYDATASHEETCausticPencilsandCausticApplicators Page2

    shouldgiverepeatedstomachwashoutswith1%sodiumchloridesolution,thenadminister30grammesofsodiumsulphatein250mlofwater,allowingthistoremaininstomach.Demulcentssuchaseggwhite,milkandparaffinmaybegiven,withpethidineormorphineasnecessary.Givesupportingtreatmentforpain,andpaycloseattentiontorenalfunctionandfluidbalance.

    Inhalation: Inhalationisveryunlikelywithproductinformsupplied.Howeverifdustisinhaledremovevictimtofreshairimmediatelyandseekmedicalassistance.

    Skincontact: Rinseaffectedareaimmediatelywithcleancoldwaterrunningcontinuouslyforatleast10minutes.Removecontaminatedclothingunderrunningwaterandlaunderbeforereuse.Seekmedicalassistanceasnecessary.Inlessseriouscasesanyblue/brown/blackstainingthatarisesmaybesuperficialonly,notrequirespecialtreatment,andshedharmlesslyandwithouttraceafterashorttime.

    Eyecontact: Injurymaybechemicalorphysicalduetoimpactorscratching.Removecontactlenses.Immediatelyflusheye(s)repeatedlywithlargequantitiesofcleancoldwateroreyewashforatleast10minutes.Seekmedicalattentionatonce.Treatasachemicalburnifappropriate.

    5. Firefightingmeasures

    Generalrisks: Activetipcausticmixtureisamildoxidisingagentbutisnotcombustible.Thebulkproductisnotanetproducerofoxygeninafireastheverysmallquantityofavailableoxygenisconsumedconcomitantlybytinyproportionsoftheothercomponents.Ingeneralrisksareasbulkquantitiesofrelativelyinertplasticcomponentsandpackaging.Thecausticmaterialitselfmayformexplosivemixtureswithcertaininorganicandorganicsubstances.

    Extinguishingmedia: ForsmallfiresaCO2extinguishermaybeused.Avoidspreadingmaterialwithawaterjet.Causticmixtureiswatersoluble,sodrenchingquantitiesofwatercanbeused.

    Specialrisks: Hotmoltencausticmixtureinpureformischemicallystronglycorrosiveandcausesseriousheatandchemicalburns,thoughthissituationisveryunlikelytoarisewiththisproduct.

    Specialprocedures: Firefightingpersonnelshouldwearselfcontainedbreathingapparatusandchemicallyresistantprotectiveclothing.

    6. Accidentalreleasemeasures

    Personalprecautions: Protectskinandeyesfromsolidorsolutionwithsuitableclothing,footwear,rubberorplasticgloves,safetyspectaclesorgoggles,asappropriatetoextentofrelease.Silvernitratestainsclothesandinanimatesurfaces.

    Spillage: Lowvolumequantitiesoftheproductcanbedisposedofviatheordinaryhouseholdornonhazardouswastesystems.Small

  • PRODUCTSAFETYDATASHEETCausticPencilsandCausticApplicators Page3

    quantitiesofcausticmaterialcanberinsedawayintodomesticwaterdrainagesystemswithlargeamountsofrunningwater.Treatlargequantities(GT100gofsilvernitrate)aschemicalwasteandcontactlocalauthority.

    Environmental: Insmallquantitiesthenitratesarenotconsidereddeleterioustothegeneralenvironment.Silvernitrateprecipitatestorelativelyharmlessmaterialsinthepresenceofmanytypesofinorganicanioninsolution.Inexceptionalquantitiesthesaltsmaycontributelocallyandtemporarilytoeutrophicationofrivers,etc.

    7. Handlingandstorage

    Handling: Handleincorrectpackaging.Onceopeneduseonlyaccordingtoproductinstructionsheets.Donoteatorsmokewhilsthandling.Practisegoodpersonalhygiene.

    Storage: Storeinacooldryventilatedareaandprotectproductfromlight.

    8. Exposurecontrols/personalprotection

    Respiratoryprotection: Nonerequiredinproductformsupplied.

    Eyeprotection: Notgenerallynecessaryifusedinaccordancewithproductinstructions,butbewareofcausticnatureoftipsandsolutions.Refertosections3,4and11.

    Skinprotection: Protectskinfromsolidorsolutionasappropriate,withrubberorplasticglovesandothersuitableprotectiveclothing.

    9. Physicalandchemicalproperties(caustictipmixtureingredientsonly)

    Appearance: Whiteoroffwhite,butsolidsurfacemayslowlyturngreyorblackonexposuretoair.

    Odour: Odourless.

    pHvalue: Solutionsareslightlyacidic,withpHdependentonconcentrations.

    Viscosity: Notapplicable.

    Freezingpoint: Notapplicable.

    Meltingpoint: Variesaccordingtostrength,approximatelybetween150oand200oC.

    Boilingpoint: Notavailable.DecomposesonstrongheatingtogiveNOxgases.

    Flashpoint: Notapplicable.

    Autoinflammability: Notapplicable.

    Explosivelimits: Notavailable.

    Oxidisingproperties: Oxidisescertaininorganicandorganicmaterials.

    Vapourpressure: Notavailablebutverylowasthisisionicsolid.

    Density: Notavailable,butvariablewithproduct.

  • PRODUCTSAFETYDATASHEETCausticPencilsandCausticApplicators Page4

    Bulkdensity: Notavailable,butvariablewithproduct.

    Solubility: Verysolubleinwater;slightlysolubleinloweralcohols;virtuallyinsolubleinfats,oilsandotherhydrophobicmaterials.

    Partitioncoefficient: Notavailable,butexpectedtobenegligiblylowfornoctanol/watersystem.

    Refractiveindex: Notavailable.

    Otherdata: Reactswithacetylenewhenwithammoniatoformdrydetonablesilveracetylide.Cancauseexplosivepolymerisationwithacrylonitrile.Ammoniacalsolutionsmayprecipitateexplosivesilvernitrideinpresenceofalkaliorglucose.Mayformexplosiveproductswithethanol.

    10. Stabilityandreactivity

    General: Solidproductisstableforlongperiodsifkeptdryandawayfromlight.Shelflife60months.

    Conditionstoavoid: Light,moistureandhightemperatures,whichmayleadtodecomposition.

    Materialstoavoid: Phosphorus,sulphur,magnesium,finelydividedcharcoal,ammonia,reducingagents,organicchemicals(especiallyacetylene,acrylonitrile,ethanol),andcombustibles.

    Decomposition: Ifdecompositionisslowmaterialdegradestolessharmfulsilvermetal,oxidesorotherspecies.IfrapidorinfirelargequantitiesmayevolvetoxicnitratesorNOxgases,butrefertosection5.

    11. Toxicologicalinformation(caustictipmaterialonly)

    Ingestion: Harmfulandmaybefatalifswallowed.Medicallycausticandoxidisingandcausesburnstomouth,throatandstomach.Estimatedtypicallethaldose10gcalculatedassilver.Symptomsofpoisoningincludepaininthemouth,throatorstomach,sialorrhoea,diarrhoea,nausea,vomiting,comaorconvulsions.

    Inhalation: Inhalationisveryunlikelywithproductformassupplied.Howeverdustwouldproducerespiratoryorgastrointestinalirritation,characterisedbysneezing,coughingorburning.OESofdustis0.01mg/m3calculatedassilver.

    Skincontact: Causticandstaining.Productissafeifusedtopicallyonskinormucousmembranesaccordingtoinstructions,butexcessiveamountsdamagetissuesdependingonquantity,concentrationandcontacttime.Prolongedexposurecangiverisetoburnsorulcerations.

    Eyecontact: Causticandsevereeyeirritant.Cancausecornealdamageorblindnessiflengthycontactisallowed,dependingonquantityandconditions.

    Chroniceffects: Chronicapplicationoflargequantitiesofsilvernitrateproductstomucousmembranesoropenwoundsmayleadtoargyria,andaccumulationofsilvermetalandcompoundsintheconnectivetissues,resultinginalocalorgeneralgreyishorblackishblue

  • PRODUCTSAFETYDATASHEETCausticPencilsandCausticApplicators Page5

    appearance.Thiseffectisthoughttobeharmlessbutmaypersistforalongtimeorindefinitely.Casesofargyriaareveryrare.Absorptionofnitriteproducedbytheactionofcertainnitratereducingbacteriainsomeburnsoropenwoundscangiverisetomethaemoglobinaemia.Thereisalsoariskofelectrolytedisturbances.

    Sensitisation: Notavailable.

    Targetorganeffects: Notavailablebutnospecificorgantargetingissuspected.Largechronicdosescanaccumulateinconnectivetissues.

    Carcinogenicity: Noevidenceorsuspicionofmalignanteffectsifusedtopicallyasinstructed.

    Mutagenicity: Invitromutagenicitydatareportedbutnomutagenicpotentialsuspectedforhumans.

    Teratogenicity: Nonesuspectedinhumans.

    Developmenttoxicity: Nonesuspectedinhumans.

    Narcosis: Notavailablebutnonesuspected.

    12. Ecologicalinformation

    General: Detailedecologicalinformationnotavailable,butnoecologicalproblemsexpectedprovidedtheproductisdisposedofbynormalroutesinthelowvolumequantitiesinvolvedwithnormalproductsupplyanduse.Lowlongtermtoxicity.Sil