{"id":2302,"date":"2026-09-27T11:17:37","date_gmt":"2026-09-27T04:17:37","guid":{"rendered":"https:\/\/cpc1.vn\/dimethyl-ether\/"},"modified":"2026-09-28T21:10:36","modified_gmt":"2026-09-28T14:10:36","slug":"dimethyl-ether","status":"publish","type":"post","link":"https:\/\/cpc1.vn\/en\/dimethyl-ether\/","title":{"rendered":"Dimethyl ether (DME) \u2013 kh\u00ed \u0111\u1ea9y tan trong n\u01b0\u1edbc cho aerosol"},"content":{"rendered":"

Dimethyl ether (DME) \u2013 kh\u00ed \u0111\u1ea9y tan trong n\u01b0\u1edbc cho aerosol<\/h1>\n

Dimethyl ether<\/strong> (DME, methoxymethan) l\u00e0 kh\u00ed \u0111\u1ea9y aerosol d\u1ea1ng kh\u00ed h\u00f3a l\u1ecfng, c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m hi\u1ebfm g\u1eb7p so v\u1edbi c\u00e1c kh\u00ed \u0111\u1ea9y kh\u00e1c: tan t\u1ed1t trong n\u01b0\u1edbc<\/strong> (kho\u1ea3ng 35%). V\u00ec v\u1eady DME r\u1ea5t ph\u00f9 h\u1ee3p cho aerosol g\u1ed1c n\u01b0\u1edbc, th\u01b0\u1eddng ph\u1ed1i h\u1ee3p v\u1edbi hydrocarbon v\u00e0 kh\u00ed \u0111\u1ea9y kh\u00e1c trong ch\u1ebf ph\u1ea9m d\u00f9ng ngo\u00e0i.<\/p>\n

Th\u00f4ng tin nhanh<\/h2>\n\n\n\n\n\n\n
T\u00ean kh\u00e1c<\/td>\nDME, dimethyl oxide, methoxymethane, methyl ether, oxybismethane, wood ether; Dymel A<\/td>\n<\/tr>\n
S\u1ed1 CAS<\/td>\n115-10-6<\/td>\n<\/tr>\n
C\u00f4ng th\u1ee9c \u2013 KLPT<\/td>\nC2<\/sub>H6<\/sub>O \u2013 46,07<\/td>\n<\/tr>\n
Nh\u00f3m ch\u1ee9c n\u0103ng<\/td>\nKh\u00ed \u0111\u1ea9y aerosol<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Applications<\/h2>\n
    \n
  • Kh\u00ed \u0111\u1ea9y cho aerosol d\u00f9ng ngo\u00e0i, ph\u1ed1i h\u1ee3p v\u1edbi hydrocarbon v\u00e0 kh\u00ed \u0111\u1ea9y kh\u00e1c; th\u01b0\u1eddng kh\u00f4ng d\u00f9ng \u0111\u01a1n \u0111\u1ed9c v\u00ec \u00e1p su\u1ea5t h\u01a1i cao.<\/li>\n
  • Dung m\u00f4i t\u1ed1t; tan nhi\u1ec1u trong n\u01b0\u1edbc n\u00ean hay d\u00f9ng cho aerosol n\u01b0\u1edbc \u2013 t\u1ea1o tia x\u1ecbt th\u00f4, \u01b0\u1edbt.<\/li>\n
  • Kh\u00ed \u0111\u1ea9y trong m\u1ef9 ph\u1ea9m (keo x\u1ecbt t\u00f3c), x\u1ecbt th\u01a1m ph\u00f2ng, x\u1ecbt c\u00f4n tr\u00f9ng; ch\u1ea5t l\u00e0m l\u1ea1nh.<\/li>\n
  • C\u00f3 t\u00e1c d\u1ee5ng kh\u00e1ng khu\u1ea9n ph\u1ee5 thu\u1ed9c lo\u00e0i vi sinh.<\/li>\n<\/ul>\n

    M\u00f4 t\u1ea3 v\u00e0 t\u00ednh ch\u1ea5t<\/h2>\n
      \n
    • Kh\u00ed h\u00f3a l\u1ecfng: ch\u1ea5t l\u1ecfng trong, kh\u00f4ng m\u00e0u, g\u1ea7n nh\u01b0 kh\u00f4ng m\u00f9i; \u1edf n\u1ed3ng \u0111\u1ed9 cao kh\u00ed c\u00f3 m\u00f9i ether nh\u1eb9.<\/li>\n
    • Nhi\u1ec7t \u0111\u1ed9 s\u00f4i \u221223,6 \u00b0C; \u0111i\u1ec3m \u0111\u00f4ng \u0111\u1eb7c \u2212138,5 \u00b0C; nhi\u1ec7t \u0111\u1ed9 t\u1edbi h\u1ea1n 126,9 \u00b0C.<\/li>\n
    • T\u1ef7 tr\u1ecdng l\u1ecfng 0,66 g\/cm\u00b3 (25 \u00b0C); \u00e1p su\u1ea5t h\u01a1i 592 kPa \u1edf 25 \u00b0C.<\/li>\n
    • D\u1ec5 ch\u00e1y<\/strong>: gi\u1edbi h\u1ea1n ch\u00e1y 3,4\u201318,2% th\u1ec3 t\u00edch trong kh\u00f4ng kh\u00ed; h\u1ed7n h\u1ee3p v\u1edbi n\u01b0\u1edbc th\u00ec kh\u00f4ng ch\u00e1y.<\/li>\n
    • Tan 1\/3 trong n\u01b0\u1edbc; tan trong aceton, cloroform, ethanol 95%, ether. V\u1edbi aerosol d\u01b0\u1ee3c ph\u1ea9m, ethanol 95% l\u00e0 \u0111\u1ed3ng dung m\u00f4i h\u1eefu \u00edch nh\u1ea5t. Ch\u1ec9 s\u1ed1 Kauri-butanol 60 (kh\u1ea3 n\u0103ng h\u00f2a tan kh\u00e1 m\u1ea1nh).<\/li>\n<\/ul>\n

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

      B\u1ec1n khi d\u00f9ng l\u00e0m kh\u00ed \u0111\u1ea9y. Ti\u1ebfp x\u00fac kh\u00f4ng kh\u00ed l\u00e2u c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh ch\u1eadm peroxid d\u1ec5 n\u1ed5<\/strong> \u2013 kh\u00f4ng c\u00f4 \u0111\u1eb7c dung d\u1ecbch DME l\u1ecfng b\u1eb1ng ch\u01b0ng c\u1ea5t hay bay h\u01a1i. B\u1ea3o qu\u1ea3n trong b\u00ecnh kim lo\u1ea1i \u0111\u1eady k\u00edn, n\u01a1i kh\u00f4 m\u00e1t.<\/p>\n

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

      DME l\u00e0 dung m\u00f4i m\u1ea1nh, c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng v\u1eadt li\u1ec7u gio\u0103ng c\u1ee7a van aerosol. Kh\u00f4ng d\u00f9ng c\u00f9ng ch\u1ea5t oxy h\u00f3a, acid acetic, acid h\u1eefu c\u01a1 v\u00e0 anhydrid.<\/p>\n

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

      Cho than bitum ho\u1eb7c than non ph\u1ea3n \u1ee9ng v\u1edbi h\u01a1i n\u01b0\u1edbc c\u00f3 x\u00fac t\u00e1c niken m\u1ecbn, t\u1ea1o formaldehyd r\u1ed3i kh\u1eed th\u00e0nh methanol v\u00e0 dimethyl ether; ho\u1eb7c kh\u1eed n\u01b0\u1edbc methanol.<\/p>\n

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

      Khi d\u00f9ng l\u00e0m kh\u00ed \u0111\u1ea9y v\u00e0 dung m\u00f4i cho aerosol d\u00f9ng ngo\u00e0i, DME \u0111\u01b0\u1ee3c xem l\u00e0 g\u1ea7n nh\u01b0 kh\u00f4ng \u0111\u1ed9c, kh\u00f4ng k\u00edch \u1ee9ng; c\u00f3 th\u1ec3 g\u00e2y c\u1ea3m gi\u00e1c l\u1ea1nh tr\u00ean da nh\u01b0ng bay h\u01a1i nhanh. H\u00edt h\u01a1i n\u1ed3ng \u0111\u1ed9 cao c\u00f3 h\u1ea1i; DME l\u1ecfng ti\u1ebfp x\u00fac da c\u00f3 th\u1ec3 g\u00e2y b\u1ecfng l\u1ea1nh n\u1eb7ng. Thao t\u00e1c theo quy \u0111\u1ecbnh v\u1edbi kh\u00ed h\u00f3a l\u1ecfng: k\u00ednh, g\u0103ng tay, qu\u1ea7n \u00e1o b\u1ea3o h\u1ed9, n\u01a1i th\u00f4ng gi\u00f3; h\u01a1i n\u1eb7ng h\u01a1n kh\u00f4ng kh\u00ed v\u00e0 kh\u00f4ng duy tr\u00ec s\u1ef1 s\u1ed1ng \u2013 c\u1ea5p oxy khi v\u1ec7 sinh b\u1ed3n l\u1edbn. Gi\u1edbi h\u1ea1n ph\u01a1i nhi\u1ec5m t\u1ea1i Anh: 766 mg\/m\u00b3 (400 ppm) trung b\u00ecnh 8 gi\u1edd; 958 mg\/m\u00b3 (500 ppm) trong 15 ph\u00fat.<\/p>\n

      T\u00ecnh tr\u1ea1ng ph\u00e1p l\u00fd<\/h2>\n
        \n
      • C\u00f3 trong FDA Inactive Ingredients Guide (aerosol d\u00f9ng ngo\u00e0i).<\/li>\n
      • 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<\/ul>\n

        Ch\u1ea5t li\u00ean quan:<\/strong> hydrocarbon (propan, butan, isobutan), difluoroethan.<\/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 Dimethyl Ether<\/em> trong: Rowe R.C., Sheskey P.J., Owen S.C. (ch\u1ee7 bi\u00ean). Handbook of Pharmaceutical Excipients<\/em>, \u1ea5n b\u1ea3n 5. Pharmaceutical Press (London) & 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

        \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. 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":"

        Dimethyl ether (DME) \u2013 kh\u00ed \u0111\u1ea9y tan trong n\u01b0\u1edbc cho aerosol Dimethyl ether (DME, methoxymethan) l\u00e0 kh\u00ed \u0111\u1ea9y aerosol d\u1ea1ng kh\u00ed h\u00f3a l\u1ecfng, c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m hi\u1ebfm g\u1eb7p so v\u1edbi c\u00e1c kh\u00ed \u0111\u1ea9y kh\u00e1c: tan t\u1ed1t trong n\u01b0\u1edbc (kho\u1ea3ng 35%). V\u00ec v\u1eady DME r\u1ea5t ph\u00f9 h\u1ee3p cho aerosol g\u1ed1c n\u01b0\u1edbc, th\u01b0\u1eddng ph\u1ed1i h\u1ee3p v\u1edbi hydrocarbon […]<\/p>","protected":false},"author":1,"featured_media":2301,"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-2302","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\/dimethyl-ether.png",1200,675,false],"thumbnail":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/dimethyl-ether-150x150.png",150,150,true],"medium":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/dimethyl-ether-300x169.png",300,169,true],"medium_large":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/dimethyl-ether-768x432.png",768,432,true],"large":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/dimethyl-ether-1024x576.png",1024,576,true],"1536x1536":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/dimethyl-ether.png",1200,675,false],"2048x2048":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/dimethyl-ether.png",1200,675,false],"trp-custom-language-flag":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/dimethyl-ether-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":"Dimethyl ether (DME) \u2013 kh\u00ed \u0111\u1ea9y tan trong n\u01b0\u1edbc cho aerosol Dimethyl ether (DME, methoxymethan) l\u00e0 kh\u00ed \u0111\u1ea9y aerosol d\u1ea1ng kh\u00ed h\u00f3a l\u1ecfng, c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m hi\u1ebfm g\u1eb7p so v\u1edbi c\u00e1c kh\u00ed \u0111\u1ea9y kh\u00e1c: tan t\u1ed1t trong n\u01b0\u1edbc (kho\u1ea3ng 35%). V\u00ec v\u1eady DME r\u1ea5t ph\u00f9 h\u1ee3p cho aerosol g\u1ed1c n\u01b0\u1edbc, th\u01b0\u1eddng ph\u1ed1i h\u1ee3p v\u1edbi hydrocarbon…","_links":{"self":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/2302","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=2302"}],"version-history":[{"count":1,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/2302\/revisions"}],"predecessor-version":[{"id":3212,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/2302\/revisions\/3212"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/media\/2301"}],"wp:attachment":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/media?parent=2302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/categories?post=2302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/tags?post=2302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}