Full Public Reportsynocure899.Sa

File No: NA/234 Date:

NATIONALINDUSTRIALCHEMICALSNOTIFICATIONANDASSESSMENTSCHEME

FULL PUBLIC REPORTSYNOCURE899.SA

ThisAssessmenthasbeencompiledinaccordancewiththeprovisionsoftheIndustrialChemicals(NotificationandAssessment)Act1989,andRegulations.ThislegislationisanActoftheCommonwealthofAustralia.TheNationalIndustrialChemicalsNotificationandAssessmentScheme(NICNAS)isadministeredbyWorksafeAustraliawhichalsoconductstheoccupationalhealthsafetyassessment.TheassessmentofenvironmentalhazardisconductedbytheDepartmentoftheEnvironment,Sport,andTerritoriesandtheassessmentofpublic healthisconductedbytheDepartmentofHumanServicesandHealth.

Forthepurposesofsubsection78(1)oftheAct,copiesofthisfullpublicreportmaybeinspectedbythepublicattheLibrary,WorksafeAustralia,92-94ParramattaRoad,Camperdown NSW2050,betweenthehoursof10.00a.m.and12.00noonand2.00

p.m.and4.00p.m.eachweekdayexceptonpublicholidays.

ForEnquiriespleasecontacttheAdministrationCoordinatorat:

Street Address: 92ParramattaRdCamperdown,NSW2050,AUSTRALIA

Postal Address:GPOBox58,Sydney2001,AUSTRALIA

Telephone:(61)(02)565-9466FAX (61) (02) 565-9465

Director

ChemicalsNotificationandAssessment

NA/234

1.APPLICANT

FULL PUBLIC REPORTSYNOCURE899.SA

T.R.(ChemicalsAustralia)PtyLtdof195BriensRoad,NorthmeadNSW2152hassubmittedalimitednotificationstatementinsupportoftheirapplicationforanassessmentcertificateofSynocure899.SA

2.IDENTITY OF THE CHEMICAL

Synocure899.SAisnotconsideredtobehazardousbasedonthenatureofthechemicalandthedataprovided. Thereforethechemicalname,CASnumber,exactmolecularweightandmolecularandstructuralformulaehavebeenexemptedfrompublicationintheFullPublicReportandtheSummaryReport.

Trade name:Synocure 899.SA

Number-averagemolecularweight:> 1000

Maximum percentage of low molecular weight species

(molecular weight < 1000):Molecularweightdeterminationswere

obtainedfromtwobatches. Thelowmolecularweightfraction(<1000)representslessthan0.1%byweightofthepolymer.

MethodofDetectionandDetermination

Thenotifiedpolymerisdetectedbygasphasechromatography

Spectral data:

Not provided

3.PHYSICAL AND CHEMICAL PROPERTIES

Thefollowingdatarefertotheproductcontainingapproximately60%ofthenotifiedchemicaland40%butylacetate.

Appearance at 20°C and 101.3 kPa:Clear‘waterwhite’toyellowliquid

Odour:Ofbutylacetate(threshold7ppm)

BoilingPoint:120-129°C

Density:1020at20°C

Vapour Pressure:Not provided

WaterSolubility:Not provided

PartitionCo-efficient

(n-octanol/water)log Pow:Not provided

HydrolysisasafunctionofpH:Not provided

Adsorption/Desorption:Not provided

DissociationConstant

pKa:Not provided

FlashPoint:24°Copencup

FlammabilityLimits:Combustibleandmayemittoxicfumesandacridsmoke.

CombustionProducts:CarbonMonoxideCarbonDioxideAldehydes

AutoignitionTemperature:Notdetermined

ExplosiveProperties:Not explosive

Reactivity:Willreactwithacidfunctionalresinsreleasingheatandpossibleemissionofacidfumescontainingoxidesofcarbonandformaldehyde.

Particlesizedistribution:Notapplicable

Commentsonphysico-chemicalproperties:

Specificdataforthepolymerarenotavailable. Propertiesofthesolutionarethoseofbutyl acetate.

Thepolymeritselfwouldbeexpectedtohavelowwatersolubilityandlowvapour pressure. Lowwatersolubilitywasconfirmedbyremovingthebutylacetatesolvent,heatingunderrefluxfor6hoursinwater,settingasidefor120hoursatroomtemperature,andevaporatingthewater. Thesolubilityobtained(0.14%)isconsideredanoverestimateasitwouldincluderesiduesfromhydrolysisofthepolymer.

Thepolymercontainsnodissociablegroups.Theepoxy-functionalityreactswithacidfunctionalgroups(hencetheuseasacrosslinkingagent)andisalsosusceptibletohydrolysis,asindicatedbythesolubilitydetermination.

4.PURITY OF THE CHEMICALDegreeofpurity:> 99%

Toxicorhazardousimpurity/impurities:

. / Chemicalname: / 2-Ethylhexylmethacrylate
CASNo.: / 688-84-6
Weight percentage: / 0.30%
. / Chemicalname:CASNo.: / 1,3-Dichloro-2-propanol 96-23-1
Weight percentage: / 0.20%
. / Chemicalname:CASNo.: / Glycidyl methacrylate 106-91-2
Weight percentage: / 0.01%
. / Chemicalname:CASNo.: / Chloro-propane-1,3-diol 1331-07-3
Weight percentage: / 0.01%

Additives/Adjuvants:None

5.INDUSTRIAL USE

Synocure899.SAisanepoxycopolymercuringagentwhichwillbeusedwiththeCRAYVALLEYrangeofacidfunctionalacrylicresins. Thecombinationproducesisocyanatefreetwopackcoatingsystemsforlonglastingvehiclerefinishingandgeneralmaintenanceenamels.

Synocure899.SAwillbeimportedfromCrayValleyLimitedUKinannualvolumesof5-10tonnesinitially,increasingto30-50tonnesafter5years. Importvolumesarerelativelylowforthismarketsegment,reflectingperformanceandcostfactors.

6.OCCUPATIONAL EXPOSURE

Thenotifiedpolymerwillbeimportedin200litreclosedheaddrums.

Categoriesofworkerspotentiallyexposedtothepolymerincludestoreman,repackers,blendersandspraypainters.

Blenders(upto1000)wouldbeinvolvedworkingtheSynocure899.SAwiththeacrylicresinpriortospraypaintingprocedures,thisisusuallycarriedoutbythespraypainter.

Re-packingwouldexposetheoperatorstofumes,whichwouldcompriseessentiallyofbutylacetate. Thiswouldinvolveanestimated5hoursperdayperoperatorfor220daysperyear. Blendingandspraypaintingpersonnelwouldbeinvolvedforasimilarperiod.

Paintapplicationwillbeconductedinsprayboothsequippedwithexhaustventilationandfilteringsystems.

7.PUBLIC EXPOSURE

Publicexposuretothenotifiedpolymerisexpectedtobenegligible. ItwillbedistributedinvehicleslicensedandidentifiedtocarryClass3flammablegoods. Nopublicexposuretothenotifiedpolymerisexpectedtooccurduringrepacking,storageorthedistributionofSynocure899SA.

Priortouse,Synocure899SAwillbeblendedwith‘non-isocyanateacryliccoatingsystems’andwillconstitute15%ofthefinalblend. Giventhatnovapoursofthenotifiedpolymerareexpectedtooccurandthatsprayingprocedureswillbeconductedinsprayboothsequippedwithexhaustventilationandfilteringsystems,nopublicexposuretothenotifiedpolymerisexpectedtooccurduringblendingorsprayingprocedures.

8.ENVIRONMENTAL EXPOSURE

.Release

Synocure899SAwillberepackeddirectlyfrom200Lsteeldrumstosmallerpacks,withestimatedlosesof20-30gperdrum. Repackagingwilloccurattwosites. Synocure899SAwillbeblendedatapproximately15%ofthefinishedcoatingwithacidfunctionalacrylicpolymerspriortouse.

Spillswillbeabsorbedusingsandorsawdustbeforedisposaltolandfill. Estimatedlossesare6kgpolymerpertonneofsolution.

Wastefromspraypaintingoperationsisgenerallycollectedbyaqueousscrubbingandfiltration,anddisposedoftolandfill.

Synocure899SAwillbeappliedasaspraybytheabovetwocompaniesandnumerousvehiclerefinishers. Majoruserswillapplythecoatinginsprayboothsequippedforfiltrationofoverspray,whichisexpectedtorepresent5-20%ofapplied(upto10tonnesperannumatproductmaturity). Wasteresinrecoveredbyfiltrationfromspraypaintingoperationswillbeconsignedtolandfill. Alternatively,overspraymaybecollectedonprotectivepaperanddisposedoftolandfillorbyincineration.

.Fate

Synocure899SAwillmainlybedisposedoftolandfillasresiduesfromspraypaintingoperations. Likeotheracrylicpolymers,itisexpectedtohaveminimalmobilityintheenvironmentbecauseofitshighmolecularweight,lowwatersolubilityandlowvapourpressure. Residuesconsignedtolandfillwillremainimmobile. Incinerationofresiduescollectedonprotectivepaperwillresultintheirdestruction.

9.EVALUATION OF TOXICOLOGICAL DATA

Toxicologicaldataarenotrequiredforpolymersofnumber-averagemolecularweight(NAMW) > 1000 according to theIndustrialChemicals(NotificationandAssessment)Act,1989andnodataweresubmittedforthenotifiedpolymer.

10.ASSESSMENT OF ENVIRONMENTAL EFFECTS

Environmentaleffectstestingisnotrequiredforhighmolecularweightacrylicresins.Acrylicpolymerswithmolecularweightabove1000aretoolargetocrossbiologicalmembranes.

11.ASSESSMENT OF ENVIRONMENTAL HAZARD

Likeotheracrylicpolymers,Synocure899SAisexpectedtopresentanegligiblehazardtotheenvironmentbecauseofitslackofmobilityandinabilitytocrossbiologicalmembranes. TheUSEPAconsiderspolynonionicpolymerswithmolecularweightsabove1000tobeoflowconcern(4). TheuseofSynocure899SAwillresultinitsencapsulationinadurableandinertcross-linkedacrylicresinofnegligibleenvironmentalhazard.

12.ASSESSMENT OF PUBLIC AND OCCUPATIONAL HEALTH AND SAFETYEFFECTS

Notoxicologicaldataweresubmittedforthenewpolymer. However,asthenotifiedpolymerhasanumber-averagemolecularweight (NAMW)1000,itisunlikelytopassbiologicalmembranesandcausesystemiceffects. Thepolymercontainsanumberofhazardousimpurities. Thesearepresentatlevelswellbelowthecut-offconcentrationsnecessarytoclassifythepolymerasahazardoussubstance(5)andarethereforenotexpectedtocauseanysignificanttoxicologicalconcerns. Thepolymeralsocontainslowlevelsoflowmolecularweightspecies(~0.1%1000). Attheselevels,anytoxicologicalhazardsassociatedwiththelowmolecularweightcomponentofthepolymershouldbeminimal.

ThenotifiedpolymerwillarriveinAustraliaasa60%componentin40%butylacetate. Asthepolymerisavailableinliquidform,skinandeyecontactwillbethemainsourcesofoccupationalexposureduringpaintpreparation,equipmentloadingandequipmentcleaning. Inhalationalexposureduringtheseactivitiesisunlikelyasthepolymervapourpressureisexpectedtobelowatroomtemperature. Inhalationalexposureduringpaintapplication,however,willbesignificantasthesprayprocesswillgenerateaerosols.

Theapplicanthasstatedthatanumberofengineeringcontrolsandpersonalprotectivedeviceswillbeusedtolimitexposure. Theuseofawellventilatedsprayboothforsprayapplicationswillreduceworkerexposuretooverspray. Exposuretooverspraywillbefurtherreducedbythewearingofrespiratoryprotection. Theuseofoveralls,glovesandeyeprotectionwillreduceworkerexposureintheeventofsplashingsandspillages.

Therefore,workerexposuretothenotifiedchemicalshouldbelowwhenthepaintproductisusedintheproposedmanner.

Nopublicexposuretothenotifiedpolymerisexpectedtooccur.

13.RECOMMENDATIONS

TominimiseoccupationalexposuretoSynocure899SAthefollowingguidelinesandprecautionsshouldbeobserved:

.ifengineeringcontrolsandworkpracticesareinsufficienttoreduceexposuretoasafelevel,thenthefollowingpersonalprotectivedevicesshouldbeworn:

-imperviousglovesconformingtoAustralianStandards(AS)AS2161(6),

-protectiveeyegogglesconformingtoAS/NZS1337(1),

-protectiveclothingconformingtoAS2919(7),and

-protective footwear conforming to AS/NZS 2210 (8).

.ifaerosolsaregenerated,andengineeringcontrolsarenotsufficienttocontrolexposure,thefollowingprotectiveequipmentshouldalsobeworn:

-airpurifyingrespiratoryprotectionconformingtoAS/NZS1715(2).

.acopyoftheMaterialSafetyDataSheet(MSDS)shouldbeeasilyaccessibletoemployees.

.wellventilatedsprayboothswithlocalexhaustventilationshouldbeusedforsprayapplicationwherenecessary

14.MATERIAL SAFETY DATA SHEET

TheattachedMSDSforSynocure899SAwasprovidedinsuitableformat.

ThisMSDSwasprovidedbyT.R.(ChemicalsAustralia)PtyLtdaspartoftheirnotificationstatement. Itisreproducedhereasamatterofpublicrecord. TheaccuracyofthisinformationremainstheresponsibilityofT.R.(ChemicalsAustralia)PtyLtd.

15.REQUIREMENTS FOR SECONDARY NOTIFICATION

Under theIndustrialChemicals(NotificationandAssessment)Act1989, secondarynotificationofSynocure899SAshallberequiredifanyofthecircumstancesstipulatedundersubsection64(2)oftheActarise. Nootherspecificconditionsareprescribed.

16.REFERENCES

1.StandardsAustralia,StandardsNewZealand1992,Australia/NewZealandStandard1337-1992,EyeProtectorsforIndustrialApplications,StandardsAssociationofAustraliaPubl.,Sydney,Australia,StandardsAssociationofNewZealandPubl.,Wellington,NewZealand.

2.StandardsAustralia,StandardsNewZealand1994,Australia/NewZealandStandard1715-1994,Selection,UseandMaintenanceofRespiratoryProtectiveDevices,StandardsAssociationofAustraliaPubl.,Sydney,Australia,StandardsAssociationofNewZealandPubl.,Wellington,NewZealand.

3.StandardsAustralia,StandardsNewZealand1991,Australia/NewZealandStandard1716-1991,RespiratoryProtectiveDevices,StandardsAssociationofAustraliaPubl.,Sydney,Australia,StandardsAssociationofNewZealandPubl.,.Wellington,NewZealand.

4.JVNabholz,PMillerandMZeeman,"EnvironmentalRiskAssessmentof

NewSubstancesundertheToxicSubstancesControlActSectionFive", pp40-55inWGLandis,JSHughesandMALewis(Eds),EnvironmentalToxicologyandRiskAssessment, American Society for Testing and Materials, ASTM STP 1179,Philadelphia,1993.

5.NationalOccupationalHealthandSafetyCommission, ApprovedCriteriaforClassifyingHazardousSubstances. AustralianGovernmentPublishingService,Canberra,1994.

6.AustralianStandard2161-1978, IndustrialSafetyGlovesandMittens(excludingelectricalandmedicalgloves). StandardsAssociationofAustraliaPubl.,Sydney,1978.

7.StandardsAustralia.1987,AustralianStandard2919-1987IndustrialClothing,StandardsAssociationofAustraliaPubl.,Sydney,Australia

8.Australian/NewZealandStandard2210-1994,OccupationalProtectiveFootwear.StandardsAssociationofAustralia,StandardsAssociationofNewZealand,1994.