{"id":7592,"date":"2019-06-01T02:36:56","date_gmt":"2019-05-31T23:36:56","guid":{"rendered":"https:\/\/masterchem.fi\/product\/diklormetan\/"},"modified":"2022-04-19T15:01:11","modified_gmt":"2022-04-19T12:01:11","slug":"diklormetan-cas-75-09-2","status":"publish","type":"product","link":"https:\/\/masterchem.fi\/sv\/produkt\/diklormetan-cas-75-09-2\/","title":{"rendered":"Diklormetan (CAS 75-09-2)"},"content":{"rendered":"<p>Den f\u00f6rsta metoden att framst\u00e4lla diklormetan var att minska triklormetan i en alkoholhaltig l\u00f6sning med hj\u00e4lp av zink. Henri Victor Regnault f\u00f6rberedde den 1840 genom klorering av klormetan. Idag baseras storskaliga produktionsmetoder p\u00e5 klorering av metan eller klormetan.<\/p>\n<p style = \"text-align: justify;\"> Huvudanv\u00e4ndningen av diklormetan \u00e4r anv\u00e4ndning av l\u00f6sningsmedel, f\u00f6r vilken den \u00e4r l\u00e4mplig p\u00e5 grund av dess mycket god l\u00f6slighet och icke-br\u00e4nnbarhet. Den anv\u00e4nds i f\u00e4rgborttagare samt f\u00f6r att l\u00f6sa upp cellulosaestrar, fett, vax och plast. Det anv\u00e4nds ocks\u00e5 som l\u00f6sningsmedel vid extraktion av l\u00f6sningsmedel, till exempel vid isolering av koffein, vid isolering av l\u00e4kemedel, i extraktion av eteriska oljor och vid framst\u00e4llning av kokosn\u00f6tsm\u00f6r. Den bildar en azeotrop blandning med vatten, s\u00e5 den kan anv\u00e4ndas f\u00f6r att avl\u00e4gsna vatten fr\u00e5n organiska l\u00f6sningsmedel. <\/p>\n<p>Diklormetan kan kloreras f\u00f6r att ge triklormetan eller koltetraklorid och i n\u00e4rvaro av en aluminiumkatalysator och brom bildas bromklormetan eller dibrommetan. I n\u00e4rvaro av en aluminiumkatalysator reagerar f\u00f6reningen vid 220 \u00b0 C med koldioxid f\u00f6r att bilda kloracetylklorid och hexametylentetramin med het ammoniakl\u00f6sning. Andra anv\u00e4ndningsomr\u00e5den inkluderar kylning och anestesi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Diklormetan (CH <sub> 2 <\/sub> Cl <sub> 2 <\/sub>) \u00e4r ett flyktigt f\u00e4rgl\u00f6st pol\u00e4rt organiskt klorerat kolv\u00e4te, som anv\u00e4nds som l\u00f6sningsmedel. Det \u00e4r inte s\u00e4rskilt giftigt, men inandning av \u00e5ngor b\u00f6r undvikas. Diklormetan \u00e4r cancerframkallande. <\/p>\n<p><d style = \"text-align: justify;\"> Diklormetan kallas ocks\u00e5 <i> metylenklorid <\/i> eller <i> DCM <\/i>. <\/p>\n<p>Diklormetan \u00e4r normalt en f\u00e4rgl\u00f6s, klar v\u00e4tska med en s\u00f6t kloroformliknande lukt. Den har en molekylvikt p\u00e5 84,9 g \/ mol, en sm\u00e4ltpunkt p\u00e5 -96,7 \u00b0 C, en kokpunkt p\u00e5 40 \u00b0 C (313 K), en relativ densitet p\u00e5 1,3 g \/ cm <sup> 3 <\/sup> (vatten = 1,0 g \/ cm <sup> 3 <\/sup>), vattenl\u00f6slighet vid 20 \u00b0 C 1,3 g \/ 100 ml, sj\u00e4lvant\u00e4ndningstemperatur 556 \u00b0 C och CAS-nummer 75-09-2. <\/p>\n","protected":false},"featured_media":6093,"template":"","meta":[],"product_brand":[],"product_cat":[116,105,106,108,112,113,114],"product_tag":[],"class_list":{"0":"post-7592","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-alla-produkter","7":"product_cat-hushallskemikalier-sv","8":"product_cat-lakemedelsindustri","9":"product_cat-metallkemikalier","10":"product_cat-byggbranschen","11":"product_cat-vaggmalning","12":"product_cat-typografiska-kemikalier","14":"first","15":"instock","16":"taxable","17":"shipping-taxable","18":"purchasable","19":"product-type-variable","20":"has-default-attributes","21":"rtwpvg-product"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Diklormetan (CAS 75-09-2) - MasterChem | kemikaalien tuotanto ja myynti<\/title>\n<meta name=\"description\" content=\"Diklormetan (CH2Cl2) \u00e4r ett flyktigt f\u00e4rgl\u00f6st pol\u00e4rt organiskt klorerat kolv\u00e4te som anv\u00e4nds som l\u00f6sningsmedel. Det \u00e4r inte s\u00e4rskilt giftigt, men inandning av \u00e5ngor b\u00f6r undvikas. Diklormetan \u00e4r cancerframkallande.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/masterchem.fi\/sv\/produkt\/diklormetan-cas-75-09-2\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Diklormetan (CAS 75-09-2) - MasterChem | kemikaalien tuotanto ja myynti\" \/>\n<meta property=\"og:description\" content=\"Diklormetan (CH2Cl2) \u00e4r ett flyktigt f\u00e4rgl\u00f6st pol\u00e4rt organiskt klorerat kolv\u00e4te som anv\u00e4nds som l\u00f6sningsmedel. Det \u00e4r inte s\u00e4rskilt giftigt, men inandning av \u00e5ngor b\u00f6r undvikas. 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