{"id":3651,"date":"2026-09-29T09:29:15","date_gmt":"2026-09-29T02:29:15","guid":{"rendered":"https:\/\/cpc1.vn\/natri-carbonat\/"},"modified":"2026-09-29T09:29:15","modified_gmt":"2026-09-29T02:29:15","slug":"natri-carbonat","status":"publish","type":"post","link":"https:\/\/cpc1.vn\/en\/natri-carbonat\/","title":{"rendered":"Natri carbonat (E500i) \u2013 ch\u1ea5t ki\u1ec1m h\u00f3a, ch\u1ea5t \u1ed5n \u0111\u1ecbnh vi\u00ean s\u1ee7i"},"content":{"rendered":"<h1 class=\"kt-tieu-de\">Natri carbonat (E500i) \u2013 ch\u1ea5t ki\u1ec1m h\u00f3a, ch\u1ea5t \u1ed5n \u0111\u1ecbnh vi\u00ean s\u1ee7i<\/h1>\n<p><strong>Natri carbonat<\/strong> (Na<sub>2<\/sub>CO<sub>3<\/sub>, soda, E500i) l\u00e0 mu\u1ed1i v\u00f4 c\u01a1 ki\u1ec1m m\u1ea1nh, d\u1ea1ng b\u1ed9t k\u1ebft tinh ho\u1eb7c h\u1ea1t tr\u1eafng, h\u00fat \u1ea9m. Trong b\u00e0o ch\u1ebf, natri carbonat l\u00e0 <strong>ch\u1ea5t ki\u1ec1m h\u00f3a<\/strong>, <strong>ch\u1ea5t \u0111\u1ec7m<\/strong>, <strong>ch\u1ea5t ph\u00e2n t\u00e1n<\/strong> v\u00e0 <strong>t\u00e1 d\u01b0\u1ee3c \u0111\u1ed9n<\/strong>; trong vi\u00ean s\u1ee7i, n\u00f3 v\u1eeba l\u00e0 ngu\u1ed3n CO<sub>2<\/sub> v\u1eeba l\u00e0 <strong>ch\u1ea5t \u1ed5n \u0111\u1ecbnh h\u00fat \u1ea9m<\/strong> ch\u1ed1ng s\u1ee7i s\u1edbm.<\/p>\n<h2>Th\u00f4ng tin nhanh<\/h2>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>Khan<\/th>\n<th>Monohydrat<\/th>\n<th>Decahydrat<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>C\u00f4ng th\u1ee9c<\/td>\n<td>Na<sub>2<\/sub>CO<sub>3<\/sub><\/td>\n<td>Na<sub>2<\/sub>CO<sub>3<\/sub>\u00b7H<sub>2<\/sub>O<\/td>\n<td>Na<sub>2<\/sub>CO<sub>3<\/sub>\u00b710H<sub>2<\/sub>O<\/td>\n<\/tr>\n<tr>\n<td>KLPT<\/td>\n<td>105,9<\/td>\n<td>124,0<\/td>\n<td>286,1<\/td>\n<\/tr>\n<tr>\n<td>S\u1ed1 CAS<\/td>\n<td>497-19-8<\/td>\n<td>5968-11-6<\/td>\n<td>6132-02-1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>T\u00ean kh\u00e1c: soda, soda nung, dinatri carbonat, natrii carbonas anhydricus, E500i. D\u01b0\u1ee3c \u0111i\u1ec3n: BP, Ph.Eur., USP-NF (khan ho\u1eb7c monohydrat), JP (Dried Sodium Carbonate); decahydrat c\u00f3 trong Ph.Eur., JP. Nh\u00f3m ch\u1ee9c n\u0103ng: ch\u1ea5t ki\u1ec1m h\u00f3a, \u0111\u1ec7m, ph\u00e2n t\u00e1n, t\u00e1 d\u01b0\u1ee3c \u0111\u1ed9n vi\u00ean n\u00e9n\/vi\u00ean nang.<\/p>\n<h2>Applications<\/h2>\n<ul>\n<li>Ch\u1ea5t ki\u1ec1m h\u00f3a trong thu\u1ed1c ti\u00eam, nh\u1ecf m\u1eaft, u\u1ed1ng v\u00e0 tr\u1ef1c tr\u00e0ng; trong vi\u00ean n\u00e9n th\u01b0\u1eddng d\u00f9ng 2\u20135% (kl\/kl).<\/li>\n<li><strong>Vi\u00ean s\u1ee7i, c\u1ed1m s\u1ee7i:<\/strong> ph\u1ed1i h\u1ee3p v\u1edbi acid (citric, tartric) t\u1ea1o CO<sub>2<\/sub> khi g\u1eb7p n\u01b0\u1edbc, l\u00e0m r\u00e3 vi\u00ean; c\u00f3 th\u1ec3 d\u00f9ng t\u1edbi 10%. Nguy\u00ean li\u1ec7u ph\u1ea3i \u00edt \u1ea9m \u0111\u1ec3 tr\u00e1nh s\u1ee7i s\u1edbm.<\/li>\n<li>Natri carbonat kh\u00f3 ph\u1ea3n \u1ee9ng s\u1ee7i h\u01a1n natri bicarbonat n\u00ean bicarbonat th\u01b0\u1eddng l\u00e0 ngu\u1ed3n CO<sub>2<\/sub> ch\u00ednh; natri carbonat \u0111\u01b0\u1ee3c th\u00eam (t\u1edbi 10%) l\u00e0m ch\u1ea5t \u1ed5n \u0111\u1ecbnh h\u00fat \u1ea9m. V\u00ed d\u1ee5 Effer-Soda: nh\u00e2n natri bicarbonat \u0111\u01b0\u1ee3c ph\u1ee7 l\u1edbp natri carbonat (8\u201312%).<\/li>\n<li>Nghi\u00ean c\u1ee9u: c\u00f4ng th\u1ee9c che v\u1ecb gi\u1ea3i ph\u00f3ng c\u00f3 ki\u1ec3m so\u00e1t, b\u1ed9t h\u00edt kh\u00f4 s\u1ee7i b\u1ecdt.<\/li>\n<\/ul>\n<h2>M\u00f4 t\u1ea3 v\u00e0 t\u00ednh ch\u1ea5t<\/h2>\n<ul>\n<li>Mu\u1ed1i v\u00f4 c\u01a1 tr\u1eafng, g\u1ea7n tr\u1eafng ho\u1eb7c kh\u00f4ng m\u00e0u, d\u1ea1ng b\u1ed9t k\u1ebft tinh ho\u1eb7c h\u1ea1t; h\u00fat \u1ea9m, kh\u00f4ng m\u00f9i.<\/li>\n<li>Ki\u1ec1m m\u1ea1nh: pH 11,37 (1%), 11,58 (5%), 11,70 (10%) \u1edf 25 \u00b0C.<\/li>\n<li>H\u00fat \u1ea9m: 1 mol natri carbonat h\u00fat d\u1ea7n 1 mol n\u01b0\u1edbc (kho\u1ea3ng 15%) khi \u0111\u1ec3 ngo\u00e0i kh\u00f4ng kh\u00ed.<\/li>\n<li>\u0110i\u1ec3m ch\u1ea3y 851 \u00b0C; t\u1ef7 tr\u1ecdng ri\u00eang 2,53.<\/li>\n<li>\u0110\u1ed9 tan: d\u1ec5 tan trong n\u01b0\u1edbc (\u0111\u1ed9 tan t\u0103ng theo nhi\u1ec7t \u0111\u1ed9 r\u1ed3i \u1ed5n \u0111\u1ecbnh \u1edf kho\u1ea3ng 30,8% tr\u00ean 80 \u00b0C); tan trong glycerin; h\u1ea7u nh\u01b0 kh\u00f4ng tan trong ethanol 95%.<\/li>\n<li>D\u01b0\u1ee3c \u0111i\u1ec3n: h\u00e0m l\u01b0\u1ee3ng (ch\u1ebf ph\u1ea9m kh\u00f4) 99,5\u2013100,5%.<\/li>\n<\/ul>\n<h2>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ea3o qu\u1ea3n<\/h2>\n<p>G\u1eb7p n\u01b0\u1edbc chuy\u1ec3n th\u00e0nh monohydrat, t\u1ecfa nhi\u1ec7t. B\u1eaft \u0111\u1ea7u m\u1ea5t CO<sub>2<\/sub> tr\u00ean 400 \u00b0C, ph\u00e2n h\u1ee7y tr\u01b0\u1edbc khi s\u00f4i. B\u1ea3o qu\u1ea3n trong bao b\u00ec k\u00edn kh\u00ed.<\/p>\n<h2>T\u01b0\u01a1ng k\u1ef5<\/h2>\n<p>Ph\u00e2n h\u1ee7y khi g\u1eb7p acid c\u00f3 n\u01b0\u1edbc, sinh CO<sub>2<\/sub> v\u00e0 s\u1ee7i b\u1ecdt. C\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng m\u1ea1nh v\u1edbi nh\u00f4m, phospho pentoxyd, acid sulfuric, fluor v\u00e0 lithi.<\/p>\n<h2>S\u1ea3n xu\u1ea5t<\/h2>\n<p>Quy tr\u00ecnh amoniac \u2013 soda (quy tr\u00ecnh Solvay). Lo\u1ea1i k\u1ef9 thu\u1eadt khan (kho\u1ea3ng 99%) g\u1ecdi l\u00e0 soda ash.<\/p>\n<h2>An to\u00e0n v\u00e0 thao t\u00e1c<\/h2>\n<ul>\n<li>D\u00f9ng trong thu\u1ed1c ti\u00eam, u\u1ed1ng, tr\u1ef1c tr\u00e0ng; khi d\u00f9ng l\u00e0m t\u00e1 d\u01b0\u1ee3c ho\u1eb7c kh\u00e1ng acid, nh\u00ecn chung \u0111\u01b0\u1ee3c coi l\u00e0 kh\u00f4ng \u0111\u1ed9c, kh\u00f4ng k\u00edch \u1ee9ng.<\/li>\n<li>D\u1ea1ng tinh khi\u1ebft \u0111\u1ed9c nh\u1eb9 khi nu\u1ed1t, \u0111\u1ed9c v\u1eeba khi h\u00edt v\u00e0 ti\u00eam d\u01b0\u1edbi da, r\u1ea5t \u0111\u1ed9c khi ti\u00eam ph\u00fac m\u1ea1c; k\u00edch \u1ee9ng da, m\u1eaft; b\u1ee5i v\u00e0 h\u01a1i k\u00edch \u1ee9ng ni\u00eam m\u1ea1c g\u00e2y ho, kh\u00f3 th\u1edf; c\u00f3 d\u1eef li\u1ec7u th\u1ef1c nghi\u1ec7m v\u1ec1 \u1ea3nh h\u01b0\u1edfng sinh s\u1ea3n.<\/li>\n<li>LD<sub>50<\/sub> (chu\u1ed9t nh\u1eaft, ph\u00fac m\u1ea1c): 0,12 g\/kg; (chu\u1ed9t nh\u1eaft, d\u01b0\u1edbi da): 2,21 g\/kg; (chu\u1ed9t c\u1ed1ng, u\u1ed1ng): 4,09 g\/kg.<\/li>\n<li>\u0110eo k\u00ednh, g\u0103ng; b\u1ea3o v\u1ec7 h\u00f4 h\u1ea5p khi c\u00f3 b\u1ee5i. \u0110un t\u1edbi ph\u00e2n h\u1ee7y sinh kh\u00f3i \u0111\u1ed9c natri oxyd.<\/li>\n<\/ul>\n<h2>T\u00ecnh tr\u1ea1ng ph\u00e1p l\u00fd<\/h2>\n<ul>\n<li>GRAS; \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn l\u00e0m ph\u1ee5 gia th\u1ef1c ph\u1ea9m t\u1ea1i ch\u00e2u \u00c2u (E500i).<\/li>\n<li>C\u00f3 trong FDA Inactive Ingredients Database (nhi\u1ec1u \u0111\u01b0\u1eddng ti\u00eam; dung d\u1ecbch nh\u1ecf m\u1eaft; c\u1ed1m, nang, k\u1eb9o cao su, vi\u00ean n\u00e9n u\u1ed1ng; h\u1ed7n d\u1ecbch tr\u1ef1c tr\u00e0ng) v\u00e0 Canadian Natural Health Products Ingredients Database.<\/li>\n<li>C\u00f3 trong thu\u1ed1c l\u01b0u h\u00e0nh t\u1ea1i Anh: b\u1ed9t pha ti\u00eam; vi\u00ean s\u1ee7i, vi\u00ean tan, c\u1ed1m, vi\u00ean ng\u1eadm, k\u1eb9o cao su.<\/li>\n<li>C\u00f3 ti\u00eau chu\u1ea9n trong Food Chemicals Codex.<\/li>\n<\/ul>\n<h2>Ch\u1ea5t li\u00ean quan<\/h2>\n<ul>\n<li>Natri bicarbonat.<\/li>\n<li><strong>Natri carbonat monohydrat:<\/strong> tinh th\u1ec3 ho\u1eb7c h\u1ea1t kh\u00f4ng m\u00e0u\/tr\u1eafng; tan trong 3 ph\u1ea7n n\u01b0\u1edbc, 1,8 ph\u1ea7n n\u01b0\u1edbc s\u00f4i, 7 ph\u1ea7n glycerin; m\u1ea5t n\u01b0\u1edbc trong kh\u00f4ng kh\u00ed kh\u00f4 \u1ea5m ho\u1eb7c tr\u00ean 50 \u00b0C, th\u00e0nh d\u1ea1ng khan tr\u00ean 100 \u00b0C.<\/li>\n<li><strong>Natri carbonat decahydrat:<\/strong> tinh th\u1ec3 ho\u1eb7c b\u1ed9t kh\u00f4ng m\u00e0u, trong su\u1ed1t ho\u1eb7c tr\u1eafng; d\u1ec5 tan trong n\u01b0\u1edbc.<\/li>\n<\/ul>\n<p><strong>Ghi ch\u00fa:<\/strong> natri carbonat c\u00f2n l\u00e0 thu\u1ed1c kh\u00e1ng acid \u0111\u01b0\u1eddng u\u1ed1ng \u2013 c\u00f4ng d\u1ee5ng l\u00e0m thu\u1ed1c n\u1eb1m ngo\u00e0i ph\u1ea1m vi b\u00e0i vi\u1ebft. S\u1ed1 EINECS 207-838-8; PubChem CID 10340.<\/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>Sodium Carbonate<\/em> trong: Sheskey P.J., Cook W.G., Cable C.G. (ch\u1ee7 bi\u00ean). <em>Handbook of Pharmaceutical Excipients<\/em>, \u1ea5n b\u1ea3n 8. Pharmaceutical Press (London) &amp; American Pharmacists Association (Washington DC), 2017. 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 2017. 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>Natri carbonat (E500i) \u2013 ch\u1ea5t ki\u1ec1m h\u00f3a, ch\u1ea5t \u1ed5n \u0111\u1ecbnh vi\u00ean s\u1ee7i Natri carbonat (Na2CO3, soda, E500i) l\u00e0 mu\u1ed1i v\u00f4 c\u01a1 ki\u1ec1m m\u1ea1nh, d\u1ea1ng b\u1ed9t k\u1ebft tinh ho\u1eb7c h\u1ea1t tr\u1eafng, h\u00fat \u1ea9m. Trong b\u00e0o ch\u1ebf, natri carbonat l\u00e0 ch\u1ea5t ki\u1ec1m h\u00f3a, ch\u1ea5t \u0111\u1ec7m, ch\u1ea5t ph\u00e2n t\u00e1n v\u00e0 t\u00e1 d\u01b0\u1ee3c \u0111\u1ed9n; trong vi\u00ean s\u1ee7i, n\u00f3 v\u1eeba [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3650,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[122],"tags":[],"class_list":["post-3651","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ta-duoc"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"acf":[],"uagb_featured_image_src":{"full":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/natri-carbonat.png",1200,675,false],"thumbnail":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/natri-carbonat-150x150.png",150,150,true],"medium":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/natri-carbonat-300x169.png",300,169,true],"medium_large":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/natri-carbonat-768x432.png",768,432,true],"large":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/natri-carbonat-1024x576.png",1024,576,true],"1536x1536":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/natri-carbonat.png",1200,675,false],"2048x2048":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/natri-carbonat.png",1200,675,false],"trp-custom-language-flag":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/natri-carbonat-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":"Natri carbonat (E500i) \u2013 ch\u1ea5t ki\u1ec1m h\u00f3a, ch\u1ea5t \u1ed5n \u0111\u1ecbnh vi\u00ean s\u1ee7i Natri carbonat (Na2CO3, soda, E500i) l\u00e0 mu\u1ed1i v\u00f4 c\u01a1 ki\u1ec1m m\u1ea1nh, d\u1ea1ng b\u1ed9t k\u1ebft tinh ho\u1eb7c h\u1ea1t tr\u1eafng, h\u00fat \u1ea9m. Trong b\u00e0o ch\u1ebf, natri carbonat l\u00e0 ch\u1ea5t ki\u1ec1m h\u00f3a, ch\u1ea5t \u0111\u1ec7m, ch\u1ea5t ph\u00e2n t\u00e1n v\u00e0 t\u00e1 d\u01b0\u1ee3c \u0111\u1ed9n; trong vi\u00ean s\u1ee7i, n\u00f3 v\u1eeba&hellip;","_links":{"self":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/3651","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=3651"}],"version-history":[{"count":0,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/3651\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/media\/3650"}],"wp:attachment":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/media?parent=3651"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/categories?post=3651"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/tags?post=3651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}