{"id":93648,"date":"2024-01-04T09:27:50","date_gmt":"2024-01-04T09:27:50","guid":{"rendered":"https:\/\/stopcarcinogensatwork.eu\/fact\/o-toluidiini\/"},"modified":"2026-06-30T12:57:45","modified_gmt":"2026-06-30T12:57:45","slug":"o-toluidiini","status":"publish","type":"fact","link":"https:\/\/stopcarcinogensatwork.eu\/fi\/fact\/o-toluidiini\/","title":{"rendered":"o-toluidiini"},"content":{"rendered":"<blockquote><p>Arvioita orto-toluidiinille (o-toluidiinille) altistuvien ty\u00f6ntekij\u00f6iden nykyisest\u00e4 m\u00e4\u00e4r\u00e4st\u00e4 EU:ssa ei ole saatavilla. Vuonna 2011, vuosien 2006\u20132007 tietojen perusteella, altistuneiden ty\u00f6ntekij\u00f6iden m\u00e4\u00e4r\u00e4ksi arvioitiin 5 500, joista 3 100 ty\u00f6skenteli kemikaalien ja kemiallisten tuotteiden valmistuksessa tai Kumituotteiden valmistuksessa. <\/p><\/blockquote>\n<p>Altistuminen tapahtuu p\u00e4\u00e4asiassa hengitysteitse ja ihon kautta; suoraa ihokosketusta ei tarvita. Altistuminen voi tapahtua my\u00f6s nieltyn\u00e4 tai silm\u00e4kosketuksen kautta. <\/p>\n<p>o-Toluidiini on luokiteltu CLP-asetuksen mukaiseksi yhdenmukaistetuksi karsinogeeniksi (oletettu sy\u00f6p\u00e4\u00e4 aiheuttava vaikutus ihmisille, joka perustuu p\u00e4\u00e4asiassa koe-el\u00e4inkokeista saatuihin todisteisiin). Ihmisill\u00e4 o-toluidiini voi aiheuttaa virtsarakon sy\u00f6p\u00e4\u00e4. Aineen imeytyminen ihon l\u00e4pi voi vaikuttaa elimist\u00f6\u00f6n kertyv\u00e4\u00e4n kokonaiskuormitukseen.  <\/p>\n<h2>Miss\u00e4 riskit ilmenev\u00e4t<\/h2>\n<p>Altistuminen o-toluidiinille on aiemmin ollut huomattavasti yleisemp\u00e4\u00e4, mutta sit\u00e4 voi edelleen esiinty\u00e4 nyky\u00e4\u00e4nkin useissa ty\u00f6ymp\u00e4rist\u00f6iss\u00e4, erityisesti kemianteollisuudessa o-toluidiinin valmistuksen, k\u00e4sittelyn, n\u00e4ytteenoton tai siirron yhteydess\u00e4 tai kun sit\u00e4 k\u00e4ytet\u00e4\u00e4n v\u00e4lituotteena, etenkin v\u00e4riaineiden tuotannossa ja kasvinsuojeluaineiden valmistuksessa. Muita altistumistilanteita voi synty\u00e4, kun azo-v\u00e4riaineista tai v\u00e4riaineista vapautuu aineita tekstiileiss\u00e4, painov\u00e4reiss\u00e4, muoveissa, voiteluaineissa ja mineraali\u00f6ljytuotteissa; kun lis\u00e4aineista vapautuu aineita l\u00e4mp\u00f6k\u00e4sittelyprosesseissa, kuten vulkanoinnissa; orgaanisten sideaineiden l\u00e4mp\u00f6hajoamisessa, erityisesti valuprosesseissa; kivihiilitervaa sis\u00e4lt\u00e4vien materiaalien k\u00e4sittelyss\u00e4 tai kuumentamisessa; sek\u00e4 laboratorio- ja tutkimustoiminnassa. <\/p>\n<h2>Lis\u00e4tietoja aineesta<\/h2>\n<p>o-toluidiinia valmistetaan teollisesti nitroimalla tolueenia, jolloin saadaan nitrotolueenien seos; se on t\u00e4rkein kolmesta toluidiinin isomeerist\u00e4. Se on v\u00e4rit\u00f6n neste, vaikka kaupalliset n\u00e4ytteet ovat usein kellert\u00e4vi\u00e4. o-Toluidiini on o-nitrotolueenin biologisen hajoamisen v\u00e4lituote, ja sit\u00e4 on siksi havaittu entisill\u00e4 ampumatarvikkeiden varastointialueilla. o-Toluidiinia muodostuu pyrolyysin aikana.<br \/>\no-Toluidiinilla ei tiedet\u00e4 olevan suoraa kuluttajak\u00e4ytt\u00f6\u00e4, koska se on kielletty kosmetiikassa EU:n kosmetiikkas\u00e4\u00e4d\u00f6ksess\u00e4. Azov\u00e4riaineiden, jotka hajoamisprosessin aikana vapauttavat o-toluidiinia, k\u00e4ytt\u00f6 tekstiileiss\u00e4 ja muissa kulutustavaroissa ei ole sallittua EU:ssa. Siksi kuluttajille ja ymp\u00e4rist\u00f6lle aiheutuva altistuminen kulutustuotteista per\u00e4isin oleville p\u00e4\u00e4st\u00f6ille n\u00e4ytt\u00e4\u00e4 olevan merkitykset\u00f6nt\u00e4.     <\/p>\n<p>o-toluidiinille on vahvistettu EU:n laajuisesti sitova ty\u00f6per\u00e4isen altistumisen raja-arvo, joka on 0,5 mg\/m\u00b3 ilmassa.<\/p>\n<h2>Mahdolliset terveysriskit<\/h2>\n<p>o-toluidiini imeytyy hyvin hengitettyn\u00e4 ja ihon kautta. Suun kautta tapahtuva altistuminen ei ole merkitt\u00e4v\u00e4\u00e4 ty\u00f6paikalla.<br \/>\nAkuutin altistumisen vaikutuksista ei ole raportteja, mutta el\u00e4inkokeiden tulosten perusteella oletetaan, ett\u00e4 aine aiheuttaa akuuttia \u00e4rsytyst\u00e4 silmiin ja ihoon. <\/p>\n<p>Virtsarakon sy\u00f6p\u00e4\u00e4 pidet\u00e4\u00e4n merkitt\u00e4v\u00e4n\u00e4 terveysvaikutuksena ihmisill\u00e4. Joissakin j\u00e4senvaltioissa t\u00e4m\u00e4 on tunnustettu ammattitautina, joka liittyy aiempaan o-toluidiini-altistumiseen. <\/p>\n<p><strong>O-toluidiiniin liittyv\u00e4n virtsarakkosy\u00f6v\u00e4n altistumisen ja taudin puhkeamisen v\u00e4linen latenssiaika vaihtelee suuresti, mutta sen katsotaan tyypillisesti olevan 15\u201340 vuotta.<\/strong><\/p>\n<h2>Mit\u00e4 voit tehd\u00e4<\/h2>\n<p>Korvaavia aineita tulisi harkita sovelluksissa, joissa se on mahdollista. Haitallisten terveysvaikutusten v\u00e4ltt\u00e4miseksi on \u00e4\u00e4rimm\u00e4isen t\u00e4rke\u00e4\u00e4 alentaa altistuminen sitovien ty\u00f6per\u00e4isten altistumisraja-arvojen tai terveysperusteisten raja-arvojen alapuolelle. Teollisissa prosesseissa esimerkkej\u00e4 teknisist\u00e4 hallintatoimenpiteist\u00e4 ovat suljetut j\u00e4rjestelm\u00e4t, yleinen poistoilmanvaihto ja paikallinen poistoilmanvaihto. Altistumista voi tapahtua my\u00f6s suljetuissa j\u00e4rjestelmiss\u00e4 ty\u00f6skennelt\u00e4ess\u00e4, esimerkiksi n\u00e4ytteenottot\u00f6iden tai huoltot\u00f6iden aikana. T\u00e4ll\u00f6in mittaukset ja hallintatoimenpiteet ovat t\u00e4rkeit\u00e4. Muita suositeltavia ty\u00f6tapoja ovat ty\u00f6ntekij\u00f6ille annettava vaaratiedotus ja koulutus sek\u00e4 yleiset ty\u00f6hygieniastandardit kemikaalien k\u00e4sittelyalueilla. My\u00f6s huoltoty\u00f6ntekij\u00e4t ja siivousty\u00f6ntekij\u00e4t tulisi kouluttaa. On suositeltavaa ottaa mukaan ty\u00f6terveysl\u00e4\u00e4k\u00e4ri. On huomioitava, ett\u00e4 altistumisen arviointia tulisi tukea biomonitoroinnilla, mik\u00e4li se on kansallisen lains\u00e4\u00e4d\u00e4nn\u00f6n mukaan sovellettavissa, koska o-toluidiini imeytyy hyvin ihon kautta. Ty\u00f6ntekij\u00f6iden on oltava tietoisia altistumisen vaikutuksista. Henkil\u00f6kohtaisia suojausmenetelmi\u00e4 tulisi k\u00e4ytt\u00e4\u00e4 vasta viimeisen\u00e4 keinona, kun mahdolliset tekniset ratkaisut on otettu k\u00e4ytt\u00f6\u00f6n.            <\/p>\n<p>L\u00e4hteet: ECHA, IOM, SCOEL<\/p>\n","protected":false},"template":"","carcinogens":[3781],"class_list":["post-93648","fact","type-fact","status-publish","hentry","carcinogens-o-toluidiini"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>o-toluidiini - STOP carcinogens at work<\/title>\n<meta name=\"description\" content=\"Be aware of what you work with! 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