{"id":106438,"date":"2026-06-29T10:07:53","date_gmt":"2026-06-29T10:07:53","guid":{"rendered":"https:\/\/stopcarcinogensatwork.eu\/fact\/kloropren-2-kloro-13-butadien\/"},"modified":"2026-06-29T10:07:53","modified_gmt":"2026-06-29T10:07:53","slug":"kloropren-2-kloro-13-butadien","status":"publish","type":"fact","link":"https:\/\/stopcarcinogensatwork.eu\/no\/fact\/kloropren-2-kloro-13-butadien\/","title":{"rendered":"Kloropren (2-kloro-1,3-Butadien)"},"content":{"rendered":"

Det foreligger ingen anslag over det n\u00e5v\u00e6rende antallet arbeidstakere som er utsatt for kloropren (2-kloro-1,3-Butadien) i EU. Yrkesmessig eksponering for kloropren skjer vanligvis gjennom inn\u00e5nding og hudkontakt. Kloropren er harmonisert klassifisert i henhold til Klassifisering, merking og emballering av stoffer (CLP) som kreftfremkallende stoff i kategori 1B. Det foreligger ingen entydige bevis for at kloropren for\u00e5rsaker kreft hos mennesker. Dyrefors\u00f8k viser at langvarig eksponering for dette stoffet kan for\u00e5rsake kreft i leveren og andre organer (for eksempel i munnhulen). <\/p><\/blockquote>\n

Hvor risiko oppst\u00e5r<\/h2>\n

Kloropren brukes hovedsakelig i kjemisk industri til \u00e5 produsere polykloropren og andre plastmaterialer, samt syntetisk gummi og lim (f.eks. operat\u00f8rer innen limproduksjon og blanding\/dosering, formuleringsteknikere eller Vedlikeholdsarbeidere). Det brukes ogs\u00e5 i fremstillingen av 2,3-diklor-1,3-Butadien, en mellomprodukt i produksjonen av visse kopolymerer.
\nArbeidstakere kan bli utsatt for betydelig eksponering i sluttfasene av kloroprensyntesen, under polymeriseringsprosesser og under operasjoner som inneb\u00e6rer fjerning av monomerer, i yrker som prosessoperat\u00f8rer innen kjemisk prosessindustri, anleggsmekanikere, r\u00f8rleggere og instrumentteknikere. <\/p>\n

Eksponering kan ogs\u00e5 forekomme ved produksjon av visse grunnleggende farmas\u00f8ytiske produkter, herunder medisinsk utstyr og medisinsk verneutstyr, samt i m\u00f8belindustrien (for eksempel ved monteringsarbeid, p\u00e5f\u00f8ring av lim eller under laminering av tre), og ogs\u00e5 ved teknisk pr\u00f8ving og analyse (analytiske kjemikere, laboratorieteknikere).<\/p>\n

Mer om stoffet<\/h2>\n

Kloropren er en flyktig, fargel\u00f8s v\u00e6ske. Stoffet er sv\u00e6rt reaktivt, brannfarlig og kjennetegnes av en skarp lukt. De vanligste sluttbrukerproduktene er polykloropren-lateksprodukter, som lim og kontaktlim, elastiske b\u00e5nd og gnidde tr\u00e5der eller vernehansker.
\nEn EU-omfattende bindende grenseverdi for yrkesmessig eksponering er for tiden under utarbeidelse. <\/p>\n

Helserisikoer som kan oppst\u00e5<\/h2>\n

Den st\u00f8rste risikoen for yrkesmessig eksponering for kloropren er gjennom inn\u00e5nding av damp i arbeidsomr\u00e5det og hudkontakt. Kortsiktig eksponering for kloropren kan f\u00f8re til svimmelhet og oppkast ved sv\u00e6rt h\u00f8ye eksponeringsniv\u00e5er. Langvarig eksponering for kloropren kan f\u00f8re til leverkreft og kreft i andre deler av kroppen. <\/p>\n

Hva du kan gj\u00f8re<\/h2>\n

Den beste m\u00e5ten \u00e5 redusere eksponeringsrisikoen p\u00e5 er \u00e5 erstatte kloropren med tryggere stoffer eller endre prosessen. Dersom dette ikke er mulig, m\u00e5 du iverksette tiltak for \u00e5 redusere eksponeringen. <\/p>\n

Den mest effektive metoden er \u00e5 bruke automatiserte systemer eller lukkede systemer, slik at arbeidstakerne ikke kommer i direkte kontakt med stoffet.
\nAndre tekniske sikkerhetstiltak b\u00f8r iverksettes for \u00e5 redusere eksponeringen for kloropren s\u00e5 mye som mulig. For eksempel: sikrere overf\u00f8ringssystemer, bedre tetninger og ventiler samt forbedrede rengj\u00f8ringsmetoder som reduserer behovet for at arbeidstakere m\u00e5 g\u00e5 inn i utstyret. Bedre prosesskontroll og pr\u00f8vetakingsmetoder kan ogs\u00e5 redusere lekkasjer og eksponering for kloropren. <\/p>\n

God hygiene p\u00e5 arbeidsplassen er viktig, blant annet gjennom regelmessig rengj\u00f8ring og sikker oppbevaring. Eksponeringen p\u00e5 arbeidsplassen b\u00f8r kontrolleres jevnlig for \u00e5 sikre at sikkerhetstiltakene fungerer som de skal. <\/p>\n

Det er ogs\u00e5 viktig \u00e5 begrense tiden arbeidstakerne tilbringer i utsatte omr\u00e5der og \u00e5 kontrollere tilgangen til disse stedene, fordi kloropren for\u00e5rsaker lokal irritasjon (og skader neseepitelet). Arbeidstakerne b\u00f8r f\u00e5 oppl\u00e6ring i risikoene og hvordan de skal arbeide p\u00e5 en sikker m\u00e5te. Det m\u00e5 s\u00f8rges for god personlig hygiene, herunder vaskefasiliteter og tilstrekkelig tid til \u00e5 vaske seg. <\/p>\n

Det b\u00f8r gjennomf\u00f8res helsekontroller av arbeidstakere som kan bli utsatt for eksponering, og de b\u00f8r melde fra om eventuelle tidlige helsesymptomer, som for eksempel irritasjon i hud, \u00f8yne og nese, svimmelhet og h\u00e5rtap.<\/p>\n

Workers should use protective equipment, particularly gloves and protective clothing. Personal protective equipment (PVU) should however be used only as a last resort, after all other possible technical and organizational solutions have been exhausted. <\/p>\n

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