{"id":15256,"date":"2021-11-09T05:55:54","date_gmt":"2021-11-09T05:55:57","guid":{"rendered":"https:\/\/masterchem.ee\/?post_type=product&p=15256"},"modified":"2021-11-09T06:05:22","modified_gmt":"2021-11-09T06:05:22","slug":"propionihappo-cas-79-09-4","status":"publish","type":"product","link":"https:\/\/masterchem.ee\/fi\/tooted-ja-teenused\/propionihappo-cas-79-09-4\/","title":{"rendered":"Propionihappo (CAS 79-09-4)"},"content":{"rendered":"

Info<\/strong> <\/p>\n

Toimialat: Rehuteollisuus
\nCAS-numero: 79-09-4
\nWE-numero: 201-176-3
\nIndeksinumero: 607-089-00-0
\nKemiallinen kaava: C3H6O2
\nMolekyylimassa: 74,07 g\/mol
\nTullitariffikoodi: 29155000
\nADR: UN1848<\/p>\n

Muut fyysiset ominaisuudet<\/strong><\/p>\n

pH: 2,5 (100 g\/l H2O, 20\u00b0C)
\nSulamis-\/j\u00e4\u00e4tymispiste: <-20\u00b0C
\nKiehumispiste\/alue: 141\u00b0C
\nSuhteellinen tiheys: 0,994 g\/cm3 (20\u00b0C)
\nLiukoisuus veteen: 0,994 g\/cm3 (20\u00b0C)<\/p>\n","protected":false},"excerpt":{"rendered":"

Propionihappo (CAS 79-09-4)<\/strong><\/p>\n

Propionihappo eli propaanihappo (C2H5COOH) on pist\u00e4v\u00e4n eltaantuneen hajuinen karboksyylihappo. Proprionihapon anioneja, suoloja ja estereit\u00e4 kutsutaan propionaateiksi. Aineesta k\u00e4ytet\u00e4\u00e4n my\u00f6s nimi\u00e4 etyylimuurahaishappo, metyylietikkahappo ja etaanikarboksyylihappo.<\/p>\n

Propionihapon rakennekaava on CH3CH2COOH. Sen happovakio pKa on 4,87, leimahduspiste 54 \u00b0C c.c. eli suljetun astian (closed cup) menetelm\u00e4ll\u00e4 ja 57 \u00b0C o.c. eli avoimen astian (open cup) menetelm\u00e4ll\u00e4 mitattuna ja itsesyttymisl\u00e4mp\u00f6tila 485 \u00b0C.<\/p>\n

Propaanihappoa valmistetaan hapettamalla propanolia tai etanolin ja hiilimonoksidin v\u00e4lisell\u00e4 reaktiolla. My\u00f6s er\u00e4\u00e4t bakteerit tuottavat sit\u00e4 heksooseista. Yhdistett\u00e4 k\u00e4ytet\u00e4\u00e4n orgaanisessa synteesiss\u00e4 sek\u00e4 viljan s\u00e4il\u00f6nt\u00e4\u00e4n.<\/p>\n","protected":false},"featured_media":15262,"template":"","meta":[],"product_brand":[],"product_cat":[180,120,290],"product_tag":[],"class_list":{"0":"post-15256","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-uncategorized-fi-2","7":"product_cat-laaketeollisuus","8":"product_cat-rehuteollisuus","10":"first","11":"instock","12":"taxable","13":"shipping-taxable","14":"purchasable","15":"product-type-variable","16":"has-default-attributes"},"yoast_head":"\nPropionihappo (CAS 79-09-4) - Chemistry For Industry - Solvents & Chemicals - Masterchem.ee<\/title>\n<meta name=\"description\" content=\"Propionihappo eli propaanihappo (C2H5COOH) on pist\u00e4v\u00e4n eltaantuneen hajuinen karboksyylihappo.\" \/>\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.ee\/fi\/tooted-ja-teenused\/propionihappo-cas-79-09-4\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Propionihappo (CAS 79-09-4) - 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