{"id":9939,"date":"2022-05-23T17:05:27","date_gmt":"2022-05-23T14:05:28","guid":{"rendered":"https:\/\/masterchem.fi\/?post_type=product&#038;p=9939"},"modified":"2022-05-23T17:09:49","modified_gmt":"2022-05-23T14:09:49","slug":"propionsyra-cas-79-09-4","status":"publish","type":"product","link":"https:\/\/masterchem.fi\/sv\/produkt\/propionsyra-cas-79-09-4\/","title":{"rendered":"Propionsyra (CAS 79-09-4)"},"content":{"rendered":"<p> <strong> Information <\/strong> <\/p>\n<p> Branscher: Foderindustri <br \/>\nCAS-nummer: 79-09-4 <br \/>\nWE-nummer: 201-176-3 <br \/>\nIndexnummer: 607-089-00-0 <br \/>\nKemisk formel: C3H6O2 <br \/>\nMolekylvikt: 74,07 g\/mol <br \/>\nTulltaxekod: 29155000 <br \/>\nADR: UN1848 <\/p>\n<p> <strong> Andra fysiska egenskaper <\/strong> <\/p>\n<p> pH: 2,5 (100 g \/ l H2O, 20 \u00b0 C) <br \/>\nSm\u00e4ltpunkt \/ fryspunkt: <-20 \u00b0 C <br \/>\nKokpunkt\/intervall: 141 \u00b0C <br \/>\nRelativ densitet: 0,994 g\/cm3 (20 \u00b0C) <br \/>\nL\u00f6slighet i vatten: 0,994 g\/cm3 (20 \u00b0C) <\/p>\n","protected":false},"excerpt":{"rendered":"<p> <strong> Propionsyra (CAS 79-09-4) <\/strong> <\/p>\n<p>Propionsyra (C2H5COOH) \u00e4r en stickande karboxylsyra med en stickande lukt. Anjonerna, salterna och estrarna av propionsyra kallas propionater. \u00c4mnet kallas \u00e4ven etylmyrsyra, metyl\u00e4ttiksyra och etankarboxylsyra. <\/p>\n<p>Strukturformeln f\u00f6r propionsyra \u00e4r CH3CH2COOH. Den har en syrakonstant pKa p\u00e5 4,87, en flampunkt p\u00e5 54\u00b0C c.c. d.v.s. genom den slutna b\u00e4gare-metoden och 57 \u00b0 C o.c. d.v.s. m\u00e4tt med \u00f6ppen b\u00e4gare-metoden och en sj\u00e4lvant\u00e4ndningstemperatur p\u00e5 485 \u00b0C. <\/p>\n<p>Propansyra framst\u00e4lls genom oxidation av propanol eller genom reaktion av etanol med kolmonoxid. Vissa bakterier producerar det ocks\u00e5 fr\u00e5n hexoser. F\u00f6reningen anv\u00e4nds i organisk syntes och spannm\u00e5lskonservering.<\/p>\n","protected":false},"featured_media":9943,"template":"","meta":[],"product_brand":[],"product_cat":[106,116,179],"product_tag":[],"class_list":{"0":"post-9939","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-lakemedelsindustri","7":"product_cat-alla-produkter","8":"product_cat-foderindustri","10":"first","11":"outofstock","12":"taxable","13":"shipping-taxable","14":"purchasable","15":"product-type-variable","16":"has-default-attributes","17":"rtwpvg-product"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Propionsyra (CAS 79-09-4) - MasterChem | kemikaalien tuotanto ja myynti<\/title>\n<meta name=\"description\" content=\"Propionsyra, eller propansyra (C2H5COOH), \u00e4r en karboxylsyra med en skarp, h\u00e4rsken lukt.\" \/>\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\/propionsyra-cas-79-09-4\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Propionsyra (CAS 79-09-4) - 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