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ARZA6 _ 3242 424 TRADE SECRET ARR26 -- 324-2 Dupont10249 Study Title H-25240: Corrositex In Vitro Test Laboratory Project ID: DuPont-10249 AuTHOR: Carol Finlay, B.A. STUDY COMPLETED ON: April 10, 2002 PERFORMING LABORATORY: E.L du Pont de Nemours and Company Haskell Laboratory for Elkton Road, P.O. Box Health 50 and Environmental Sciences Newark, Delaware 19714-0050 Wor Request Nuvser [SN] service Cove NuvsexJIN] Paros od.Doesnotcontain Tscacal 1.25240: Comositex In Vitro Test DuPont 10249 CERTIFICATION `We, the undersigned, declare that this report provides an accurate evaluation of data obtained from this study. Rerevedvs CJ ane . PoakeesC ypVi2ci3a `Asocine Senta S4h. ed 2deve IssuedbyStudyDirector: LA oyf.* ay SuffScent hn Lpirl- tov _ Company Sanitized. Does not contain TscA cam ET -- H-25240: Corrositex In Vitro Test STUDY INFORMATION Synonyms/Codes: | + H25200 Haskell Number: 25240 CAS Registry Number fr) DuPont-10249 } |iE Physical Characteri[ stics: --) Sponsor: WELi.lmdiungPioonnt,dDeeNleamwaoruers19a5n9d3Company USA. Study Initiated/Completed: February 26, 2002 / (sce report cover page) In-LifeIniated/Completed: April 5, 2002 / April 5, 2002 _ - CompanySanized. Does not contain TSCA 054 1.25240: Comositex In Vitro Test STUDY PERSONNEL Study Director: Carol Finlay, B.A. Management: Scott E. Loveless, Ph.D. Primary Technician: James C. Mackay II `Toxicology Report Preparation: Lisa G. Burchfield, A.A. Management: NancyS. Selzer, M.S. Dupon-10249 CompanySenitized.Does notcontain TSCA Cai t TT et 125240: Comositex In Vitro Test DuPont10249 SUMMARY 'H-25240 was evaluated for skin corrosion potential using the In Vitro International Corrositex assay. based oCnorthreostiitmeexreiqsuairsetdanfdoarrtdhiezetdestansdubqsutaanntcietattoivpeasisn tvihtrrooucgohrraosbiivoibtayrrtieesrt.meTmhbermaondeelanids produce a change in a chemical detection system. An did aliquotof500 4L not pass through of H-25240 was applied anyof the membranes. to each of4 membrane discs. The test substance Under the conditionsofthis test, H-25240 was nota corrosive substance. = `CompanySanitized. DoosnotcontTSaCAiCn2 TTTTT eee 125240; Comostexn Vir Tet Dupont 10249 INTRODUCTION The purpose of this study was to determine skin corrosion potential of H-25240 using the In Vitro Intemational CorrositexTM assay kit. MATERIALS AND METHODS A. Test Substance ""TThheetteesstt ssuubbssttaannccee,aHp-p2e5a2r4e0d,towabse sstuapbpleliudndbeyrtthheescpoonndsiotirA oanss of-- the s-- tudy.--No e-- viden-- ce 0 instability, such as a change in color or physica sate, was observed. B. Principles of the Method "CTohreroassistaeyxis ibsaasnedinonvittrhoe aasbislaiytyuosefd tcoordreotseirvmeitneestthseubssktiannccoertroospiaosnsptohtreontuigahlaobaiotf beasrtriseurbstance. p`rmoepmrbiretaanreyabnidobtaorrciaeursmeeamcborlaonrechcaonnsgiestisnotfhalrieqcuoindsCthiteumtiecdaclolDleatgeecntimoinxtSuyrse.teTmh(eCDCSD).S iTshe ~ composed ofwaterand pH indicator dyes. Corrositex is conducted in three steps: I. Qualification Step p"Tlhaecetdestdisruecbtsltyanicnetoisapvriea-lqcuoanlitfaiiendintgotehsetaCbDliSs.h cIofmpaacthiabinlgietyinwciotlhotrhoeracssoanys.istTehnecyteosctcsuurbssttahncteesits substance can be tested by using this asay. 2. Categorization Step s"TuhbisstsatnecpeiestpabllaicsehdesintthoeVciaatlegAor(ycoofnttahienitnegstasnubasitdanbcuefffeorr)uasnediVnitahleBcl(ascsoinftiaciantiinogn astebpa.seThbueffeesrt), 0a:n2d cthoelovriaclhsaratr.e Tobhseertveetdsufborstaaoncleoriscahsainggen.edAtoccoiltohrecrhCaantgeegoorbyse1rovredCaitneegiotrheyr2vibaulsiesdmoanicthheed ccloalsosrifcihcaantigoenisnteepa.ch vial. Category | and Categor2y are indicativeofthe time scales used in the 3. Classification Step r"Tehgiuslasttieopndseatnedrmcilnaesssiiffitchateiotness.t sTuhbesttaensctesuisbstsaknicneciosrarpopsliiveedaocncotrodpinogftthoeUpNroaprnidetDaOryTbiobarrier tmheamtbtrhaentee.st sAubcsotlaonrccehhaansgepaosrsecdontshirsotuegnhcythcehamnegmebriannteh.e CTDhSe bdeenteeartmhintahteiomneomfbrcoamnreosiinvdei/cnaotne.s "6 Company Sante. > win TSCACE} HL25240: Comositex In iro Test DuPont10249 -- comosive substance and the to pass Packing through Group assigned are the membrane. The based on the amountof time i time scales differ for Category takes 1 and the 2. test v"iTahlescdaetteegrormyinaesstihgenpeadcaknidngthgeromuep.anTvhaelufeoolfltohwiengbrteaablkethirsouusgehdttiomaessfoirgnaltlh4e saappmrpolperiraetpeliPcaacteking Group by category and breakthrough time. PACKING GROUP DESIGNATION Corrositex Times [Category2 |0to3minutes|>3to30minutes| > 30 to 60 minutes Packing Group I | Packing Group Ill |Non-Corrosiv|e > = greater han C. Protocol _ (`T2h-e8bCio)buanrtriilerthmeebmibobraarnrieerdimsecsmbprroavniedsedwebryetphreempaarneudf.acTtuhreerbiwoebarrerisetrormeedmibnraanreefsriwgeerraetoprrepared tthhaetdwaaysprpiloarcetdo coonnaduhcottipnlgatthee/maasgsnaey.ticAsttihrreerrm.oTmehteewrawtaersbiantsherctoendtianitnoerawwaastefrilblaetdhwciotnhtainer approximately 1 inchof water and heated (0 68-70C. While the water bath was warming, the cmoenmdebnrsaantieond.iscTshweereentrireemcoovnteedntfsroofmtthhee rbeiforbiagerrraiteorr.dilTuheenttwreayrelidadwdaesdrteomtohveevdiatloo fprbeivoebnatrrier mmaetdriixumposwpdeeerd. unTthiletvhiealbiwoabasrrtiheern mpaltarciexd pionswiddeerthweaswactoemrpblaetht.elyTdhiessmoilxvteudre(awpapsrosxtiimrraetdealty 20 minutes). 5 minutes to The stir knob and heat were allow any air bubbles to rise turned off. The to the surface. solution remained in the water bath for w`Tawsochouvnedrreeddamnidcrnooliatrerbsubwbalsepsipheatdtefdorimnetod.eaTchhemefimlblerdatnreaycdoinsct,aiennisnugritnhgethbeioebnatrirrieermsewmabsrane wrapped with plastic wrap and immediately stored in a refrigerator (2-8C). 1 Qualification `The test substance was first tested to determine ifthe sample was compatible with the sChoarkreons,itaenxd asylsltoewme.d tAo s1t5a0ndufLoral|iqmuiontuotfet.heAtceshtasnugbesitnanccoelowraosr acdodnseidsttoentchye wQauasloibfsyetrevstedtube, qualifying the test substance for use in the Corrositex system. _ -_--m--m--m Company aniized. Doce! contain TSCA C81 D22522400: CCoomnossiteex'lInn pVrirootTeesstt - 2. Categorization DDwuPeonmti10o24w9 A(co1n5t0auiLnianalgiqbuaostoefbufHf-e2r)5.24T0hewavsiaalsddweedretocVaipapledAa(ncdonsthaaikneinn.g aNnoacciodlobrufcfhearn)gaenwdaVsiaolbsBerved. T`mwixoedd.roTphsoefcoCloonrfwiarsm mRaetacgheendt wtoertheeacdodleodrstoonVitahle Bc.oloTrhcehavritasl. wTahsecacpoploerdcahnadngsehapkleanceudnttihle sample in Category 2. 3. Classification `tThheebfiiolblaerdrtirearymcaotnrtiaxinwiansg ptlhaecbeidobianrtroiearcshweamiscpaultdoentteoctcirounsshyesdtiecme.(CADSm)emvibarl.anTehdeisCcDcSonvtiaailnsing were at room temperature (17-25C). evenly applied on topofthe disc and Within 2 minutes, a timer was started. an aliquot of 500 uL This procedure was of H-25240 was followed for each o(fvitahle l4abteesltedvi"al+s)(vcioanltsai1n-4i)n.g Osunlefurviicalawciads] sainmdilaanroltyhterreawtaesd wsiimtihl5ar0l0yutrLeaotefad wpiotshit5iv0e0cuoLntroofla cnoelgoarticvoentcrooln.troTlh[e(vviiaallslawbeelreedt"h-e"n) coobnstearivneidnfgocritaricchaacnidg]e. inAthveiaCl DlSab.elTedheCtsiemreveitdtaosoka fCoDrSthe positive control to break through the membrane was documented. _--_P `Company Sanitized. Doos notcontain TSCA CGI 5 hH-o25s240e:CCoorvmosioteexiInntViitrroo TTeesst RESULTS Breakthroughofthe biobarrier occurred as follows (hour:minute:second): Vial 1 (Test Substance) - No breakthrough Vial 2 (Test Substance) - No breakthrough Vial 3 (Test Substance) - No breakthrough Vial 4 (Test Substance) - No breakthrough Vial 5 (Positive Control) - 00:01:11 Vial 6 (Negative Control) - No breakthrough CONCLUSION Under the conditionsofthis test, H-25240 was not a corrosive substance. oDuwPoenwt-i1o02s4s9 RECORDS AND SAMPLE STORAGE -- Specimens(ifapplicable), raw data, and the final report will be retained at Haskell Laboratory, Newark, Delaware, or at Iron Mountain Records Management, Wilmington, Delaware. ee"v8ch ce\ ons e ee -------- ro r------