{"id":2432,"date":"2026-09-27T15:48:52","date_gmt":"2026-09-27T08:48:52","guid":{"rendered":"https:\/\/cpc1.vn\/magnesi-oxid\/"},"modified":"2026-09-28T21:17:36","modified_gmt":"2026-09-28T14:17:36","slug":"magnesi-oxid","status":"publish","type":"post","link":"https:\/\/cpc1.vn\/en\/magnesi-oxid\/","title":{"rendered":"Magnesi oxid (n\u1eb7ng, nh\u1eb9) \u2013 t\u00e1 d\u01b0\u1ee3c \u0111\u1ed9n ki\u1ec1m, ch\u1ed1ng v\u00f3n, h\u1ed7 tr\u1ee3 tr\u01a1n ch\u1ea3y"},"content":{"rendered":"<h1 class=\"kt-tieu-de\">Magnesi oxid (n\u1eb7ng, nh\u1eb9) \u2013 t\u00e1 d\u01b0\u1ee3c \u0111\u1ed9n ki\u1ec1m, ch\u1ed1ng v\u00f3n, h\u1ed7 tr\u1ee3 tr\u01a1n ch\u1ea3y<\/h1>\n<p><strong>Magnesi oxid<\/strong> (MgO, E530, magnesia) c\u00f3 hai d\u1ea1ng: <strong>nh\u1eb9<\/strong> (x\u1ed1p) v\u00e0 <strong>n\u1eb7ng<\/strong> (\u0111\u1eb7c). Trong b\u00e0o ch\u1ebf, magnesi oxid l\u00e0 <strong>t\u00e1 d\u01b0\u1ee3c \u0111\u1ed9n ki\u1ec1m<\/strong> \u0111i\u1ec1u ch\u1ec9nh pH vi\u00ean, ch\u1ea5t h\u00fat n\u01b0\u1edbc gi\u1eef c\u1ed1m kh\u00f4 v\u00e0 ch\u1ea5t h\u1ed7 tr\u1ee3 tr\u01a1n ch\u1ea3y.<\/p>\n<h2>Th\u00f4ng tin nhanh<\/h2>\n<table>\n<tbody>\n<tr>\n<td>T\u00ean kh\u00e1c<\/td>\n<td>Calcined magnesia, magnesia, magnesia usta, periclase, E530; Destab, Magcal, Magchem 100, Maglite, Magnyox, Marmag, Oxymag<\/td>\n<\/tr>\n<tr>\n<td>S\u1ed1 CAS<\/td>\n<td>1309-48-4<\/td>\n<\/tr>\n<tr>\n<td>C\u00f4ng th\u1ee9c \u2013 KLPT<\/td>\n<td>MgO \u2013 40,30<\/td>\n<\/tr>\n<tr>\n<td>Nh\u00f3m ch\u1ee9c n\u0103ng<\/td>\n<td>Ch\u1ea5t ch\u1ed1ng v\u00f3n, ch\u1ea5t nh\u0169 h\u00f3a, ch\u1ea5t h\u1ed7 tr\u1ee3 tr\u01a1n ch\u1ea3y, t\u00e1 d\u01b0\u1ee3c \u0111\u1ed9n vi\u00ean n\u00e9n v\u00e0 nang<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Applications<\/h2>\n<ul>\n<li>T\u00e1 d\u01b0\u1ee3c \u0111\u1ed9n ki\u1ec1m trong d\u1ea1ng r\u1eafn \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh pH vi m\u00f4i tr\u01b0\u1eddng c\u1ee7a vi\u00ean.<\/li>\n<li>Th\u00eam v\u00e0o d\u1ea1ng r\u1eafn \u0111\u1ec3 gi\u1eef l\u01b0\u1ee3ng n\u01b0\u1edbc th\u1eeba, gi\u1eef c\u1ed1m kh\u00f4.<\/li>\n<li>Ph\u1ed1i h\u1ee3p silica l\u00e0m ch\u1ea5t h\u1ed7 tr\u1ee3 tr\u01a1n ch\u1ea3y.<\/li>\n<li>Ph\u1ee5 gia th\u1ef1c ph\u1ea9m. C\u00e1c \u1ee9ng d\u1ee5ng l\u00e0m thu\u1ed1c (kh\u00e1ng acid, nhu\u1eadn tr\u00e0ng th\u1ea9m th\u1ea5u, b\u1ed5 sung magnesi) n\u1eb1m ngo\u00e0i ph\u1ea1m vi b\u00e0i vi\u1ebft.<\/li>\n<\/ul>\n<h2>M\u00f4 t\u1ea3 v\u00e0 t\u00ednh ch\u1ea5t<\/h2>\n<ul>\n<li>B\u1ed9t m\u1ecbn, tr\u1eafng, kh\u00f4ng m\u00f9i; tinh th\u1ec3 l\u1eadp ph\u01b0\u01a1ng.<\/li>\n<li>Theo USP: 5 g d\u1ea1ng n\u1eb7ng chi\u1ebfm kho\u1ea3ng 10\u201320 mL, 5 g d\u1ea1ng nh\u1eb9 chi\u1ebfm kho\u1ea3ng 40\u201350 mL. USP g\u1ed9p hai d\u1ea1ng trong m\u1ed9t chuy\u00ean lu\u1eadn; c\u00e1c d\u01b0\u1ee3c \u0111i\u1ec3n kh\u00e1c t\u00e1ch ri\u00eang.<\/li>\n<li>pH dung d\u1ecbch b\u00e3o h\u00f2a 10,3; n\u00f3ng ch\u1ea3y 2800 \u00b0C; s\u00f4i 3600 \u00b0C; chi\u1ebft su\u1ea5t 1,735; t\u1ef7 tr\u1ecdng 3,581 g\/cm\u00b3.<\/li>\n<li>D\u1ea1ng nh\u1eb9: 99,98% ti\u1ec3u ph\u00e2n nh\u1ecf h\u01a1n 45 \u00b5m.<\/li>\n<li>Tan trong acid lo\u00e3ng v\u00e0 dung d\u1ecbch mu\u1ed1i amoni; r\u1ea5t kh\u00f3 tan trong n\u01b0\u1edbc (t\u0103ng khi c\u00f3 CO<sub>2<\/sub>); h\u1ea7u nh\u01b0 kh\u00f4ng tan trong ethanol.<\/li>\n<\/ul>\n<h2>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ea3o qu\u1ea3n<\/h2>\n<p>B\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t th\u01b0\u1eddng, nh\u01b0ng t\u1ea1o magnesi hydroxid khi g\u1eb7p n\u01b0\u1edbc. H\u00fat \u1ea9m, h\u1ea5p thu nhanh n\u01b0\u1edbc v\u00e0 CO<sub>2<\/sub> t\u1eeb kh\u00f4ng kh\u00ed \u2013 d\u1ea1ng nh\u1eb9 nhanh h\u01a1n d\u1ea1ng n\u1eb7ng. B\u1ea3o qu\u1ea3n trong bao b\u00ec k\u00edn kh\u00ed, n\u01a1i kh\u00f4 m\u00e1t.<\/p>\n<h2>T\u01b0\u01a1ng k\u1ef5<\/h2>\n<ul>\n<li>L\u00e0 ch\u1ea5t ki\u1ec1m: ph\u1ea3n \u1ee9ng \u1edf tr\u1ea1ng th\u00e1i r\u1eafn v\u1edbi d\u01b0\u1ee3c ch\u1ea5t acid t\u1ea1o mu\u1ed1i (v\u00ed d\u1ee5 Mg(ibuprofen)<sub>2<\/sub>) ho\u1eb7c l\u00e0m ph\u00e2n h\u1ee7y d\u01b0\u1ee3c ch\u1ea5t k\u00e9m b\u1ec1n trong ki\u1ec1m; \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh r\u1eafn c\u1ee7a diazepam; t\u01b0\u01a1ng t\u00e1c r\u1eafn v\u1edbi phenobarbital natri.<\/li>\n<li>H\u1ea5p ph\u1ee5 nhi\u1ec1u d\u01b0\u1ee3c ch\u1ea5t: kh\u00e1ng histamin, kh\u00e1ng sinh (\u0111\u1eb7c bi\u1ec7t tetracyclin), salicylat, atropin sulfat, hyoscyamin hydrobromid, paracetamol, cloroquin, d\u1eabn ch\u1ea5t acid anthranilic.<\/li>\n<li>T\u1ea1o ph\u1ee9c v\u1edbi polymer nh\u01b0 Eudragit RS l\u00e0m ch\u1eadm gi\u1ea3i ph\u00f3ng d\u01b0\u1ee3c ch\u1ea5t.<\/li>\n<li>C\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m sinh kh\u1ea3 d\u1ee5ng c\u1ee7a phenytoin, triclormethiazid v\u00e0 thu\u1ed1c ch\u1ed1ng lo\u1ea1n nh\u1ecbp.<\/li>\n<\/ul>\n<h2>S\u1ea3n xu\u1ea5t<\/h2>\n<p>C\u00f3 trong t\u1ef1 nhi\u00ean d\u01b0\u1edbi d\u1ea1ng kho\u00e1ng periclase. S\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p theo nhi\u1ec1u c\u00e1ch: nung \u0111\u00e1 v\u00f4i ch\u1ee9a dolomit t\u1ea1o dolime, cho ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc bi\u1ec3n gi\u00e0u magnesi clorid thu magnesi hydroxid r\u1ed3i nung th\u00e0nh MgO; nung magnesit (MgCO<sub>3<\/sub>); nhi\u1ec7t ph\u00e2n n\u01b0\u1edbc mu\u1ed1i \u0111\u1eb7c magnesi clorid (v\u00ed d\u1ee5 t\u1eeb Bi\u1ec3n Ch\u1ebft) ho\u1eb7c c\u00e1c mu\u1ed1i magnesi kh\u00e1c. Tinh ch\u1ebf b\u1eb1ng nghi\u1ec1n, ph\u00e2n c\u1ee1, t\u00e1ch tr\u1ecdng l\u1ef1c, tuy\u1ec3n n\u1ed5i, l\u1ecdc ho\u1eb7c l\u1eafng.<\/p>\n<h2>An to\u00e0n v\u00e0 thao t\u00e1c<\/h2>\n<p>D\u00f9ng r\u1ed9ng r\u00e3i trong thu\u1ed1c u\u1ed1ng; n\u00f3i chung \u0111\u01b0\u1ee3c xem l\u00e0 kh\u00f4ng \u0111\u1ed9c khi d\u00f9ng l\u00e0m t\u00e1 d\u01b0\u1ee3c, d\u00f9 li\u1ec1u u\u1ed1ng cao c\u00f3 th\u1ec3 g\u00e2y t\u00e1c d\u1ee5ng kh\u00f4ng mong mu\u1ed1n do t\u00ednh nhu\u1eadn tr\u00e0ng. C\u00f3 th\u1ec3 c\u00f3 h\u1ea1i khi h\u00edt, nu\u1ed1t ho\u1eb7c th\u1ea5m qua da l\u01b0\u1ee3ng l\u1edbn; k\u00edch \u1ee9ng m\u1eaft v\u00e0 \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p \u2013 n\u00ean d\u00f9ng g\u0103ng tay, k\u00ednh b\u1ea3o h\u1ed9, kh\u1ea9u trang ch\u1ed1ng b\u1ee5i ho\u1eb7c m\u1eb7t n\u1ea1. Gi\u1edbi h\u1ea1n ph\u01a1i nhi\u1ec5m ngh\u1ec1 nghi\u1ec7p t\u1ea1i M\u1ef9 v\u00e0 Anh (TWA 8 gi\u1edd, t\u00ednh theo Mg): 10 mg\/m\u00b3 b\u1ee5i to\u00e0n ph\u1ea7n, 4 mg\/m\u00b3 b\u1ee5i h\u00f4 h\u1ea5p; gi\u1edbi h\u1ea1n ng\u1eafn h\u1ea1n 15 ph\u00fat 10 mg\/m\u00b3 b\u1ee5i h\u00f4 h\u1ea5p.<\/p>\n<h2>T\u00ecnh tr\u1ea1ng ph\u00e1p l\u00fd<\/h2>\n<ul>\n<li>GRAS; ph\u1ee5 gia th\u1ef1c ph\u1ea9m \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn t\u1ea1i ch\u00e2u \u00c2u (E530).<\/li>\n<li>C\u00f3 trong FDA Inactive Ingredients Guide (nang, vi\u00ean n\u00e9n u\u1ed1ng); c\u00f3 trong thu\u1ed1c kh\u00f4ng ti\u00eam \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p t\u1ea1i Anh; c\u00f3 trong danh m\u1ee5c t\u00e1 d\u01b0\u1ee3c \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn c\u1ee7a Canada.<\/li>\n<li>C\u00f3 chuy\u00ean lu\u1eadn trong JP, Ph.Eur. v\u00e0 USP (h\u00e0m l\u01b0\u1ee3ng MgO 96,0\u2013100,5% ho\u1eb7c 98,0\u2013100,5% sau nung t\u00f9y d\u01b0\u1ee3c \u0111i\u1ec3n).<\/li>\n<\/ul>\n<p><strong>Ch\u1ea5t li\u00ean quan:<\/strong> magnesi carbonat, magnesi hydroxid.<\/p>\n<h2>Ngu\u1ed3n tham kh\u1ea3o<\/h2>\n<p>N\u1ed9i dung \u0111\u01b0\u1ee3c CPC1 bi\u00ean so\u1ea1n, t\u00f3m l\u01b0\u1ee3c c\u00f3 ch\u1ecdn l\u1ecdc t\u1eeb chuy\u00ean lu\u1eadn <em>Magnesium Oxide<\/em> trong: Rowe R.C., Sheskey P.J., Owen S.C. (ch\u1ee7 bi\u00ean). <em>Handbook of Pharmaceutical Excipients<\/em>, \u1ea5n b\u1ea3n 5. Pharmaceutical Press (London) &amp; American Pharmacists Association (Washington DC), 2006. B\u00e0i vi\u1ebft kh\u00f4ng sao ch\u00e9p nguy\u00ean v\u0103n t\u00e0i li\u1ec7u g\u1ed1c; c\u00e1c s\u1ed1 li\u1ec7u k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c d\u1eabn l\u1ea1i t\u1eeb t\u00e0i li\u1ec7u n\u00e0y.<\/p>\n<p><em>\u1ea2nh minh h\u1ecda: c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o do CPC1 v\u1ebd l\u1ea1i t\u1eeb d\u1eef li\u1ec7u c\u1ea5u tr\u00fac h\u00f3a h\u1ecdc c\u00f4ng khai.<\/em><\/p>\n<p><em>L\u01b0u \u00fd: th\u00f4ng tin mang t\u00ednh tham kh\u1ea3o cho ng\u01b0\u1eddi l\u00e0m chuy\u00ean m\u00f4n b\u00e0o ch\u1ebf, d\u1ef1a tr\u00ean \u1ea5n b\u1ea3n n\u0103m 2006. Ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ecnh tr\u1ea1ng ph\u00e1p l\u00fd c\u00f3 th\u1ec3 \u0111\u00e3 thay \u0111\u1ed5i \u2014 lu\u00f4n \u0111\u1ed1i chi\u1ebfu d\u01b0\u1ee3c \u0111i\u1ec3n v\u00e0 quy \u0111\u1ecbnh hi\u1ec7n h\u00e0nh tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng.<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>Magnesi oxid (n\u1eb7ng, nh\u1eb9) \u2013 t\u00e1 d\u01b0\u1ee3c \u0111\u1ed9n ki\u1ec1m, ch\u1ed1ng v\u00f3n, h\u1ed7 tr\u1ee3 tr\u01a1n ch\u1ea3y Magnesi oxid (MgO, E530, magnesia) c\u00f3 hai d\u1ea1ng: nh\u1eb9 (x\u1ed1p) v\u00e0 n\u1eb7ng (\u0111\u1eb7c). Trong b\u00e0o ch\u1ebf, magnesi oxid l\u00e0 t\u00e1 d\u01b0\u1ee3c \u0111\u1ed9n ki\u1ec1m \u0111i\u1ec1u ch\u1ec9nh pH vi\u00ean, ch\u1ea5t h\u00fat n\u01b0\u1edbc gi\u1eef c\u1ed1m kh\u00f4 v\u00e0 ch\u1ea5t h\u1ed7 tr\u1ee3 tr\u01a1n ch\u1ea3y. Th\u00f4ng [&hellip;]<\/p>","protected":false},"author":1,"featured_media":2431,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[122],"tags":[],"class_list":["post-2432","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ta-duoc"],"blocksy_meta":[],"acf":[],"uagb_featured_image_src":{"full":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/magnesi-oxid.png",1200,675,false],"thumbnail":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/magnesi-oxid-150x150.png",150,150,true],"medium":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/magnesi-oxid-300x169.png",300,169,true],"medium_large":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/magnesi-oxid-768x432.png",768,432,true],"large":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/magnesi-oxid-1024x576.png",1024,576,true],"1536x1536":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/magnesi-oxid.png",1200,675,false],"2048x2048":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/magnesi-oxid.png",1200,675,false],"trp-custom-language-flag":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/magnesi-oxid-18x10.png",18,10,true]},"uagb_author_info":{"display_name":"cpc1vn","author_link":"https:\/\/cpc1.vn\/en\/author\/cpc1vn\/"},"uagb_comment_info":0,"uagb_excerpt":"Magnesi oxid (n\u1eb7ng, nh\u1eb9) \u2013 t\u00e1 d\u01b0\u1ee3c \u0111\u1ed9n ki\u1ec1m, ch\u1ed1ng v\u00f3n, h\u1ed7 tr\u1ee3 tr\u01a1n ch\u1ea3y Magnesi oxid (MgO, E530, magnesia) c\u00f3 hai d\u1ea1ng: nh\u1eb9 (x\u1ed1p) v\u00e0 n\u1eb7ng (\u0111\u1eb7c). Trong b\u00e0o ch\u1ebf, magnesi oxid l\u00e0 t\u00e1 d\u01b0\u1ee3c \u0111\u1ed9n ki\u1ec1m \u0111i\u1ec1u ch\u1ec9nh pH vi\u00ean, ch\u1ea5t h\u00fat n\u01b0\u1edbc gi\u1eef c\u1ed1m kh\u00f4 v\u00e0 ch\u1ea5t h\u1ed7 tr\u1ee3 tr\u01a1n ch\u1ea3y. Th\u00f4ng&hellip;","_links":{"self":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/2432","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/comments?post=2432"}],"version-history":[{"count":2,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/2432\/revisions"}],"predecessor-version":[{"id":3289,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/2432\/revisions\/3289"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/media\/2431"}],"wp:attachment":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/media?parent=2432"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/categories?post=2432"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/tags?post=2432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}