{"id":10851,"date":"2022-07-07T09:52:54","date_gmt":"2022-07-07T06:52:54","guid":{"rendered":"https:\/\/masterchem.fi\/?post_type=product&p=10851"},"modified":"2022-07-07T10:01:01","modified_gmt":"2022-07-07T07:01:01","slug":"glycerin-cas-56-81-5","status":"publish","type":"product","link":"https:\/\/masterchem.fi\/sv\/produkt\/glycerin-cas-56-81-5\/","title":{"rendered":"Glycerin (CAS 56-81-5)"},"content":{"rendered":"

Anv\u00e4ndning<\/strong><\/p>\n

Glycerol anv\u00e4nds till exempel i hudkr\u00e4mer, tandkr\u00e4mer och tobak som ett fuktbindande medel. I plaster fungerar glycerol som ett mjukg\u00f6rare, i lim f\u00f6rhindrar det h\u00e4rdning och i sockerarter f\u00f6rhindrar det f\u00f6rkalkning. k\u00e4lla?<\/p>\n

Hemma anv\u00e4nds glycerol bland annat som en booster f\u00f6r att bl\u00e5sa s\u00e5pbubblor. Dessutom anv\u00e4nder spr\u00e4ng\u00e4mnesindustrin det f\u00f6r tillverkning av nitroglycerol, det vill s\u00e4ga trinitroglycerin, som erh\u00e5lls n\u00e4r glycerol f\u00f6restras med salpetersyra. Som livsmedelstillsats anv\u00e4nds glycerol som f\u00f6rtjockningsmedel och fuktighetsbevarande medel och dess E-kod \u00e4r E 422. Glycerol s\u00e4ljs p\u00e5 apotek.<\/p>\n

Frysskyddsmedel<\/em>
\nF\u00f6r \u00f6vervintrade ryggradsl\u00f6sa djur \u00e4r glycerol ett viktigt anti-isningsmedel. Vattnet som kristalliseras n\u00e4r det fryser bryter l\u00e4tt cellerna, s\u00e5 djur anv\u00e4nder olika metoder f\u00f6r att ber\u00e4kna cellv\u00e4tskans fryspunkt. N\u00e4r temperaturen sjunker f\u00f6rbereder sig ryggradsl\u00f6sa djur f\u00f6r kylan de m\u00f6ter, t.ex. genom att sluta \u00e4ta, l\u00e5ta cellv\u00e4tskor koncentreras genom att ta bort vatten och producera glycerol i cellv\u00e4tskan.<\/p>\n

\u00c4ven om fryspunkten f\u00f6r glycerol \u00e4r \u00f6ver noll, f\u00f6rhindrar blandning av det med vatten tillv\u00e4xten av iskristaller genom att hindra bildningen av v\u00e4tebindningar. Ryggradsl\u00f6sa djur anpassade till vintern har vanligtvis n\u00e5gra procent glycerol i sin cellv\u00e4tska, men koncentrationer p\u00e5 upp till 25 % har hittats hos vissa arter.<\/p>\n

Glykogen \u00e4r r\u00e5varan f\u00f6r glycerol i cellerna och dess produktion forts\u00e4tter hela vintern. Djur anpassar sig till kylan b\u00e4ttre och b\u00e4ttre n\u00e4r temperaturen sjunker. N\u00e4r v\u00e5ren kommer omvandlas glycerol tillbaka till glykogen, som i sin tur \u00e4r en bra energik\u00e4lla.<\/p>\n","protected":false},"excerpt":{"rendered":"

Glycerin \u00e4r en styv, f\u00e4rgl\u00f6s v\u00e4tska och tillh\u00f6r trev\u00e4rda alkoholer, dvs trioler, som inneh\u00e5ller tre alkohol- eller hydroxylgrupper (-OH). Det \u00e4r ocks\u00e5 k\u00e4nt som glycerin, 1,2,3-propantriol och 1,2,3-trihydroxipropan. Glycerin \u00e4r en strukturell komponent i fetter, s\u00e4rskilt triglycerider.<\/p>\n

Glycerin \u00e4r en giftfri, oljig v\u00e4tska som absorberar fukt fr\u00e5n luften (hygroskopisk) och har en s\u00f6t smak. Dess strukturformel \u00e4r CH2OH-CHOH-CH2OH. Glycerin har en flampunkt p\u00e5 177 \u00b0C (o.c.) och en sj\u00e4lvant\u00e4ndningstemperatur p\u00e5 370 \u00b0C. Liksom andra l\u00e5gmassaalkoholer l\u00f6ser sig glycerin i vatten i alla proportioner. \u00c4mnet s\u00f6nderdelas vid upphettning, vilket ger fr\u00e4tande \u00e5ngor som inneh\u00e5ller akrolein (CH2=CHCHO).<\/p>\n

Tuotteen kuvaus (TDS)<\/a><\/p>\n","protected":false},"featured_media":5947,"template":"","meta":[],"product_brand":[],"product_cat":[108,110,116,182],"product_tag":[150,152],"class_list":{"0":"post-10851","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-metallkemikalier","7":"product_cat-forpackning","8":"product_cat-alla-produkter","9":"product_cat-hortikultur","10":"product_tag-kotitalouskemikaalit-sv","11":"product_tag-lasikuitu-sv","13":"first","14":"instock","15":"featured","16":"taxable","17":"shipping-taxable","18":"purchasable","19":"product-type-variable","20":"has-default-attributes","21":"rtwpvg-product"},"yoast_head":"\nGlycerin (CAS 56-81-5) - MasterChem | kemikaalien tuotanto ja myynti<\/title>\n<meta name=\"description\" content=\"Glycerin \u00e4r en tr\u00f6gflytande, f\u00e4rgl\u00f6s v\u00e4tska och tillh\u00f6r trev\u00e4rda alkoholer, eller trioler, som inneh\u00e5ller tre alkohol- eller hydroxylgrupper (-OH).\" \/>\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\/glycerin-cas-56-81-5\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Glycerin (CAS 56-81-5) - 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