{"id":2212,"date":"2026-09-27T10:51:29","date_gmt":"2026-09-27T03:51:29","guid":{"rendered":"https:\/\/cpc1.vn\/carbon-dioxyd\/"},"modified":"2026-09-27T10:51:29","modified_gmt":"2026-09-27T03:51:29","slug":"carbon-dioxyd","status":"publish","type":"post","link":"https:\/\/cpc1.vn\/en\/carbon-dioxyd\/","title":{"rendered":"Carbon dioxyd (CO\u2082) \u2013 kh\u00ed \u0111\u1ea9y aerosol v\u00e0 kh\u00ed thay th\u1ebf kh\u00f4ng kh\u00ed"},"content":{"rendered":"

Carbon dioxyd (CO\u2082) \u2013 kh\u00ed \u0111\u1ea9y aerosol v\u00e0 kh\u00ed thay th\u1ebf kh\u00f4ng kh\u00ed<\/h1>\n

Carbon dioxyd<\/strong> (CO2<\/sub>, E290) l\u00e0 kh\u00ed kh\u00f4ng m\u00e0u, kh\u00f4ng m\u00f9i, kh\u00f4ng ch\u00e1y. Trong b\u00e0o ch\u1ebf, CO2<\/sub> \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m kh\u00ed \u0111\u1ea9y d\u1ea1ng kh\u00ed n\u00e9n<\/strong> cho aerosol d\u00f9ng ngo\u00e0i v\u00e0 \u0111\u1ec3 \u0111u\u1ed5i kh\u00f4ng kh\u00ed<\/strong> (s\u1ee5c kh\u00ed) nh\u1eb1m h\u1ea1n ch\u1ebf oxy h\u00f3a s\u1ea3n ph\u1ea9m.<\/p>\n

Th\u00f4ng tin nhanh<\/h2>\n\n\n\n\n\n\n
T\u00ean kh\u00e1c<\/td>\nCarbonic acid gas, carbonic anhydride, E290; d\u1ea1ng r\u1eafn: \u0111\u00e1 kh\u00f4<\/td>\n<\/tr>\n
S\u1ed1 CAS<\/td>\n124-38-9<\/td>\n<\/tr>\n
C\u00f4ng th\u1ee9c \u2013 KLPT<\/td>\nCO2<\/sub> \u2013 44,01<\/td>\n<\/tr>\n
Nh\u00f3m ch\u1ee9c n\u0103ng<\/td>\nKh\u00ed \u0111\u1ea9y aerosol, kh\u00ed thay th\u1ebf kh\u00f4ng kh\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Applications<\/h2>\n
    \n
  • Kh\u00ed \u0111\u1ea9y aerosol<\/strong> d\u00f9ng ngo\u00e0i (c\u00f9ng v\u1edbi nit\u01a1, nit\u01a1 oxyd); c\u0169ng d\u00f9ng cho m\u1ef9 ph\u1ea9m v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ea5p nh\u1eadn tia x\u1ecbt th\u00f4.<\/li>\n
  • S\u1ee5c kh\u00ed \u0111u\u1ed5i kh\u00f4ng kh\u00ed<\/strong> kh\u1ecfi s\u1ea3n ph\u1ea9m \u0111\u1ec3 \u1ee9c ch\u1ebf oxy h\u00f3a.<\/li>\n
  • Th\u1ef1c ph\u1ea9m: t\u1ea1o ga \u0111\u1ed3 u\u1ed1ng; b\u01a1m v\u00e0o kho\u1ea3ng tr\u1ed1ng bao b\u00ec \u0111\u1ec3 ch\u1ed1ng m\u1ed1c (v\u00ed d\u1ee5 b\u00e1nh m\u00ec).<\/li>\n
  • \u0110\u00e1 kh\u00f4 d\u00f9ng l\u00e0m l\u1ea1nh t\u1ea1m th\u1eddi; CO2<\/sub> l\u1ecfng d\u01b0\u1edbi \u00e1p su\u1ea5t cao l\u00e0m dung m\u00f4i chi\u1ebft h\u01b0\u01a1ng li\u1ec7u. CO2<\/sub> si\u00eau t\u1edbi h\u1ea1n \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u \u0111\u1ec3 t\u1ea1o b\u1ed9t m\u1ecbn protein \u1ed5n \u0111\u1ecbnh v\u00e0 vi h\u1ea1t protein d\u00f9ng \u0111\u01b0\u1eddng h\u00edt.<\/li>\n<\/ul>\n

    Kh\u00ed n\u00e9n l\u00e0m kh\u00ed \u0111\u1ea9y: \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m<\/h2>\n\n\n\n\n\n\n\n
    \u01afu \u0111i\u1ec3m<\/th>\nNh\u01b0\u1ee3c \u0111i\u1ec3m<\/th>\n<\/tr>\n<\/thead>\n
    R\u1ebb, \u0111\u1ed9c t\u00ednh th\u1ea5p, g\u1ea7n nh\u01b0 kh\u00f4ng m\u00f9i v\u1ecb<\/td>\nKh\u00f4ng c\u00f3 “kho d\u1ef1 tr\u1eef” kh\u00ed \u0111\u1ea9y \u2013 \u00e1p su\u1ea5t gi\u1ea3m d\u1ea7n khi d\u00f9ng, tia x\u1ecbt thay \u0111\u1ed5i<\/td>\n<\/tr>\n
    \u00c1p su\u1ea5t \u00edt thay \u0111\u1ed5i theo nhi\u1ec7t \u0111\u1ed9 so v\u1edbi kh\u00ed h\u00f3a l\u1ecfng<\/td>\nX\u1ecbt khi l\u1eadt ng\u01b0\u1ee3c b\u00ecnh s\u1ebd tho\u00e1t pha h\u01a1i, hao kh\u00ed \u0111\u1ea9y<\/td>\n<\/tr>\n
    <\/td>\nTia x\u1ecbt r\u1ea5t \u01b0\u1edbt<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    C\u00e1c lo\u1ea1i van nh\u01b0 vapor tap ho\u1eb7c \u1ed1ng h\u00fat k\u00e9p (double dip tube) gi\u00fap kh\u1eafc ph\u1ee5c nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m n\u00e0y.<\/p>\n

    M\u00f4 t\u1ea3 v\u00e0 t\u00ednh ch\u1ea5t<\/h2>\n
      \n
    • Chi\u1ebfm kho\u1ea3ng 0,03% th\u1ec3 t\u00edch kh\u00ed quy\u1ec3n; kh\u00ed kh\u00f4ng m\u00e0u, kh\u00f4ng m\u00f9i, kh\u00f4ng ch\u00e1y, v\u1ecb h\u01a1i chua. \u0110\u00e1 kh\u00f4 \u1edf d\u1ea1ng vi\u00ean ho\u1eb7c kh\u1ed1i tr\u1eafng.<\/li>\n
    • Th\u0103ng hoa \u1edf \u221278,5 \u00b0C; nhi\u1ec7t \u0111\u1ed9 t\u1edbi h\u1ea1n 31,3 \u00b0C; \u00e1p su\u1ea5t t\u1edbi h\u1ea1n 7,39 MPa.<\/li>\n
    • \u00c1p su\u1ea5t h\u01a1i 6,436 MPa \u1edf 25 \u00b0C; t\u1ef7 tr\u1ecdng h\u01a1i so v\u1edbi kh\u00f4ng kh\u00ed 1,53 (n\u1eb7ng h\u01a1n kh\u00f4ng kh\u00ed \u2013 t\u00edch t\u1ee5 \u1edf ch\u1ed7 th\u1ea5p).<\/li>\n
    • Tan kho\u1ea3ng 1 th\u1ec3 t\u00edch trong 1 th\u1ec3 t\u00edch n\u01b0\u1edbc \u1edf \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng.<\/li>\n<\/ul>\n

      \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ea3o qu\u1ea3n<\/h2>\n

      C\u1ef1c k\u1ef3 b\u1ec1n v\u00e0 tr\u01a1 v\u1ec1 h\u00f3a h\u1ecdc. B\u1ea3o qu\u1ea3n trong b\u00ecnh kh\u00ed k\u00edn, tr\u00e1nh nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n

      T\u01b0\u01a1ng k\u1ef5<\/h2>\n

      T\u01b0\u01a1ng h\u1ee3p v\u1edbi h\u1ea7u h\u1ebft v\u1eadt li\u1ec7u, nh\u01b0ng c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng m\u00e3nh li\u1ec7t v\u1edbi m\u1ed9t s\u1ed1 oxyd kim lo\u1ea1i ho\u1eb7c kim lo\u1ea1i kh\u1eed nh\u01b0 nh\u00f4m, magnesi, titan, zirconi. H\u1ed7n h\u1ee3p v\u1edbi natri, kali c\u00f3 th\u1ec3 n\u1ed5 khi va \u0111\u1eadp.<\/p>\n

      S\u1ea3n xu\u1ea5t<\/h2>\n

      Thu v\u1edbi l\u01b0\u1ee3ng l\u1edbn nh\u01b0 s\u1ea3n ph\u1ea9m ph\u1ee5 c\u1ee7a s\u1ea3n xu\u1ea5t v\u00f4i, \u0111\u1ed1t than c\u1ed1c ho\u1eb7c v\u1eadt li\u1ec7u ch\u1ee9a carbon, v\u00e0 l\u00ean men glucose b\u1eb1ng n\u1ea5m men. Trong ph\u00f2ng th\u00ed nghi\u1ec7m c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ebf b\u1eb1ng c\u00e1ch nh\u1ecf acid l\u00ean mu\u1ed1i carbonat.<\/p>\n

      An to\u00e0n v\u00e0 thao t\u00e1c<\/h2>\n

      Trong c\u00f4ng th\u1ee9c, CO2<\/sub> \u0111\u01b0\u1ee3c xem l\u00e0 g\u1ea7n nh\u01b0 kh\u00f4ng \u0111\u1ed9c. Tuy nhi\u00ean CO2<\/sub> l\u00e0 ch\u1ea5t g\u00e2y ng\u1ea1t<\/strong> \u2013 h\u00edt l\u01b0\u1ee3ng l\u1edbn r\u1ea5t nguy hi\u1ec3m; c\u1ea7n thao t\u00e1c n\u01a1i th\u00f4ng gi\u00f3 c\u00f3 thi\u1ebft b\u1ecb \u0111o n\u1ed3ng \u0111\u1ed9. Tu\u00e2n th\u1ee7 quy tr\u00ecnh an to\u00e0n cho b\u00ecnh kh\u00ed n\u00e9n\/kh\u00ed h\u00f3a l\u1ecfng. \u0110\u00e1 kh\u00f4 g\u00e2y b\u1ecfng l\u1ea1nh n\u1eb7ng \u2013 d\u00f9ng t\u1ea5m che m\u1eb7t, qu\u1ea7n \u00e1o b\u1ea3o h\u1ed9, g\u0103ng tay d\u00e0y.<\/p>\n

        \n
      • Gi\u1edbi h\u1ea1n ph\u01a1i nhi\u1ec5m t\u1ea1i Anh: 9150 mg\/m\u00b3 (5000 ppm) trung b\u00ecnh 8 gi\u1edd; 27.400 mg\/m\u00b3 (15.000 ppm) trong 15 ph\u00fat.<\/li>\n
      • T\u1ea1i M\u1ef9: PEL 9000 mg\/m\u00b3 (5000 ppm); gi\u1edbi h\u1ea1n khuy\u1ebfn ngh\u1ecb ng\u1eafn h\u1ea1n 18.000 mg\/m\u00b3 (10.000 ppm), t\u1ed1i \u0111a 54.000 mg\/m\u00b3 (30.000 ppm).<\/li>\n<\/ul>\n

        T\u00ecnh tr\u1ea1ng ph\u00e1p l\u00fd<\/h2>\n
          \n
        • FDA x\u1ebfp nh\u00f3m GRAS; c\u00f3 trong FDA Inactive Ingredients Guide (aerosol nh\u1ecf m\u0169i; ti\u00eam b\u1eafp, ti\u00eam t\u0129nh m\u1ea1ch).<\/li>\n
        • \u0110\u01b0\u1ee3c ch\u1ea5p nh\u1eadn l\u00e0 ph\u1ee5 gia th\u1ef1c ph\u1ea9m t\u1ea1i ch\u00e2u \u00c2u (E290); c\u00f3 trong danh m\u1ee5c t\u00e1 d\u01b0\u1ee3c \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn c\u1ee7a Canada.<\/li>\n
        • C\u00f3 chuy\u00ean lu\u1eadn trong JP, Ph.Eur., USP; c\u00f3 ti\u00eau chu\u1ea9n trong Food Chemicals Codex.<\/li>\n<\/ul>\n

          Ch\u1ea5t li\u00ean quan:<\/strong> nit\u01a1, nit\u01a1 oxyd (N2<\/sub>O).<\/p>\n

          Ngu\u1ed3n tham kh\u1ea3o<\/h2>\n

          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 Carbon Dioxide<\/em> trong:
          \nRowe R.C., Sheskey P.J., Owen S.C. (ch\u1ee7 bi\u00ean). Handbook of Pharmaceutical Excipients<\/em>, \u1ea5n b\u1ea3n 5.
          \nPharmaceutical Press (London) & American Pharmacists Association (Washington DC), 2006.
          \nB\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

          \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

          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.
          \nTi\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
          \nhi\u1ec7n h\u00e0nh tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng.<\/em><\/p>","protected":false},"excerpt":{"rendered":"

          Carbon dioxyd (CO\u2082) \u2013 kh\u00ed \u0111\u1ea9y aerosol v\u00e0 kh\u00ed thay th\u1ebf kh\u00f4ng kh\u00ed Carbon dioxyd (CO2, E290) l\u00e0 kh\u00ed kh\u00f4ng m\u00e0u, kh\u00f4ng m\u00f9i, kh\u00f4ng ch\u00e1y. Trong b\u00e0o ch\u1ebf, CO2 \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m kh\u00ed \u0111\u1ea9y d\u1ea1ng kh\u00ed n\u00e9n cho aerosol d\u00f9ng ngo\u00e0i v\u00e0 \u0111\u1ec3 \u0111u\u1ed5i kh\u00f4ng kh\u00ed (s\u1ee5c kh\u00ed) nh\u1eb1m h\u1ea1n ch\u1ebf oxy h\u00f3a s\u1ea3n ph\u1ea9m. […]<\/p>","protected":false},"author":1,"featured_media":2211,"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-2212","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\/carbon-dioxyd.png",1200,675,false],"thumbnail":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/carbon-dioxyd-150x150.png",150,150,true],"medium":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/carbon-dioxyd-300x169.png",300,169,true],"medium_large":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/carbon-dioxyd-768x432.png",768,432,true],"large":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/carbon-dioxyd-1024x576.png",1024,576,true],"1536x1536":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/carbon-dioxyd.png",1200,675,false],"2048x2048":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/carbon-dioxyd.png",1200,675,false],"trp-custom-language-flag":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/carbon-dioxyd-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":"Carbon dioxyd (CO\u2082) \u2013 kh\u00ed \u0111\u1ea9y aerosol v\u00e0 kh\u00ed thay th\u1ebf kh\u00f4ng kh\u00ed Carbon dioxyd (CO2, E290) l\u00e0 kh\u00ed kh\u00f4ng m\u00e0u, kh\u00f4ng m\u00f9i, kh\u00f4ng ch\u00e1y. Trong b\u00e0o ch\u1ebf, CO2 \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m kh\u00ed \u0111\u1ea9y d\u1ea1ng kh\u00ed n\u00e9n cho aerosol d\u00f9ng ngo\u00e0i v\u00e0 \u0111\u1ec3 \u0111u\u1ed5i kh\u00f4ng kh\u00ed (s\u1ee5c kh\u00ed) nh\u1eb1m h\u1ea1n ch\u1ebf oxy h\u00f3a s\u1ea3n ph\u1ea9m.…","_links":{"self":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/2212","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=2212"}],"version-history":[{"count":0,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/2212\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/media\/2211"}],"wp:attachment":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/media?parent=2212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/categories?post=2212"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/tags?post=2212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}