{"id":2881,"date":"2023-07-20T20:28:03","date_gmt":"2023-07-20T12:28:03","guid":{"rendered":"https:\/\/www.green-mountainchem.com\/?p=2881"},"modified":"2024-03-29T11:17:50","modified_gmt":"2024-03-29T03:17:50","slug":"edta-edta-na","status":"publish","type":"post","link":"https:\/\/www.green-mountainchem.com\/ko\/edta-edta-na\/","title":{"rendered":"EDTA-Na"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\uae30\uc220 \ub370\uc774\ud130:<br>\ubb3c\uc131<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table><tbody><tr><td><\/td><td><a href=\"https:\/\/www.green-mountainchem.com\/ko\/edta\/\" data-type=\"post\" data-id=\"2878\">EDTA Acid<\/a><\/td><td>EDTA-2Na<\/td><td>EDTA-4Na<\/td><\/tr><tr><td>CAS \ubc88\ud638<\/td><td>60-00-4<\/td><td>6381-92-6<\/td><td>13235-36-4<\/td><\/tr><tr><td>\ubd84\uc790\uc2dd<\/td><td>C10H16N2O8<\/td><td>C10H14N2O8Na2-2H2O<\/td><td>C10H12N2O8Na4-4H2O<\/td><\/tr><tr><td>\ubd84\uc790\ub7c9<\/td><td>M=292.2<\/td><td>M=372.24<\/td><td>M=452.23<\/td><\/tr><tr><td>\ud568\ub7c9 %<\/td><td>\u226599.0<\/td><td>\u226599.0<\/td><td>\u226599.0<\/td><\/tr><tr><td>\uc5fc\ud654\ubb3c<br>Chloride (as Cl) %<\/td><td>\u2264 0.05<\/td><td>\u2264 0.01<\/td><td>\u2264 0.05<\/td><\/tr><tr><td>\ud669\uc0b0\uc5fc<br>Sulfate (as SO4) %<\/td><td>\u2264 0.05<\/td><td>\u2264 0.05<\/td><td>\u2264 0.05<\/td><\/tr><tr><td>\uc911\uae08\uc18d \ud568\ub7c9 \uae30\uc900(Pb)<br>Heavy metal(by Pb)%<\/td><td>\u2264 0.001<\/td><td>\u2264 0.001<\/td><td>\u2264 0.001<\/td><\/tr><tr><td>\ucca0 Iron (Fe)%<\/td><td>\u2264 0.001<\/td><td>\u2264 0.001<\/td><td>\u2264 0.001<\/td><\/tr><tr><td>\ud0ac\ub808\uc774\ud2b8 \uac12<br>Chelation value: mgCaCO3\/g<\/td><td>\u2265 339<\/td><td>\u2265 265<\/td><td>\u2265 215<\/td><\/tr><tr><td>pH<\/td><td>2.8-3.0<\/td><td>4.0-5.0 (5% aqueous solution)<\/td><td>10.5-11.5 (5% aqueous solution)<\/td><\/tr><tr><td>\uc678\uad00<br>Appearance<\/td><td>\ubc31\uc0c9 \uacb0\uc815\uc131 \ubd84\ub9d0<br>White crystalline powder<\/td><td>\ubc31\uc0c9 \uacb0\uc815\uc131 \ubd84\ub9d0<br>White crystalline powder<\/td><td>\ubc31\uc0c9 \uacb0\uc815\uc131 \ubd84\ub9d0<br>White crystalline powder<\/td><\/tr><tr><td>\ud2b9\uc131<br>Characteristic<\/td><td>EDTA \uc0b0\uc740 \ucc28\uac00\uc6b4 \ubb3c, \uc54c\ucf54\uc62c \ubc0f \uc77c\ubc18 \uc720\uae30 \uc6a9\ub9e4\uc5d0 \uc6a9\ud574\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<br>EDTA Acid\ub294 \ub728\uac70\uc6b4 \ubb3c\uc5d0 \uc57d\uac04 \uc6a9\ud574\ub418\uba70 \ubb3c\uc5d0 \ub300\ud55c \uc6a9\ud574\ub3c4\ub294 0.5 g\/L (25 \u2103)\uc785\ub2c8\ub2e4.<br>EDTA Acid \uc0b0\uc740 \uc218\uc0b0\ud654\ub098\ud2b8\ub968, \ud0c4\uc0b0\ub098\ud2b8\ub968, \uc554\ubaa8\ub2c8\uc544 \ubc0f \uae30\ud0c0 \uc54c\uce7c\ub9ac\uc131 \uc6a9\uc561\uc5d0 \uc6a9\ud574\ub429\ub2c8\ub2e4. <\/td><td>EDTA-2Na\ub294 \ub450 \uac1c\uc758 \uacb0\uc815\uc218\ub97c \ud568\uc720\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<br>EDTA-2Na\ub294 \uc218\uc6a9\uc131\uc774 \uc88b\uace0 \uac74\uc870 \uc2dc \uacb0\uc815\uc218\uac00 \uc190\uc2e4\ub418\uae30 \uc27d\uc2b5\ub2c8\ub2e4.<br>EDTA-2Na\ub294 \uc5d0\ud0c4\uc62c \ubc0f \uc5d0\ud14c\ub974\uc640 \uac19\uc740 \uc720\uae30 \uc6a9\ub9e4\uc5d0 \uc6a9\ud574\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/td><td>EDTA-4Na\ub294 4\uac1c\uc758 \uacb0\uc815\uc218\ub97c \ud568\uc720\ud558\uace0 \uc788\uc5b4 \ubb3c\uc5d0 \uc27d\uac8c \uc6a9\ud574\ub418\uba70 \uace0\uc628\uc5d0\uc11c \uacb0\uc815\uc218\uc758 \uc77c\ubd80 \ub610\ub294 \uc804\ubd80\uac00 \uc190\uc2e4\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br>EDTA-4Na\ub294 \uc54c\uce7c\ub9ac\uc131 \uc218\uc6a9\uc561\uc5d0 \uc6a9\ud574\ub418\uba70 \uc5d0\ud0c4\uc62c\uacfc \uac19\uc740 \uc720\uae30 \uc6a9\ub9e4\uc5d0 \uc57d\uac04 \uc6a9\ud574\ub429\ub2c8\ub2e4.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br><strong>\uc6a9\ub3c4:<\/strong> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">EDTA\ub294 \ub110\ub9ac \uc0ac\uc6a9\ub418\uba70 \ud0ac\ub808\uc774\ud2b8\uc81c\uc758 \ub300\ud45c\uc801\uc778 \ubb3c\uc9c8\uc785\ub2c8\ub2e4. \uc54c\uce7c\ub9ac \uae08\uc18d, \ud76c\ud1a0\ub958 \uc6d0\uc18c \ubc0f \uc804\uc774 \uae08\uc18d\uacfc \uc548\uc815\uc801\uc778 \uc218\uc6a9\uc131 \ubcf5\ud569\uccb4\ub97c \ud615\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud3f4\ub9ac\uba38 \ud654\ud559 \uc0b0\uc5c5, \uc0dd\ud65c \ud654\ud559 \uc0b0\uc5c5, \uc81c\uc9c0 \uc0b0\uc5c5, \uc81c\uc57d \uc0b0\uc5c5, \ub18d\uc5c5, \uc12c\uc720 \uc778\uc1c4 \ubc0f \uc5fc\uc0c9 \uc0b0\uc5c5, \uc591\uc2dd, \uc0ac\uc9c4 \ud654\ud559, \uc720\uc804 \ud654\ud559, \uc218\ucc98\ub9ac\uc81c, \ubcf4\uc77c\ub7ec \uc138\uc815\uc81c \ubc0f \ubd84\uc11d \uc2dc\uc57d\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">EDTA-2Na\ub294 \uae08\uc18d\uc774\uc628\uc758 \ucc29\ud654 \ubc0f \uae08\uc18d\ubd84\ub9ac\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc911\uc694\ud55c \ucc29\ud654\uc81c\ub85c\uc11c, \uceec\ub7ec\uc0ac\uc9c4\uc7ac\ub8cc\uc758 \uac1c\ubc1c \ubc0f \uac00\uacf5, \uc5fc\uc0c9\ubcf4\uc870\uc81c, \uc12c\uc720\ucc98\ub9ac\uc81c, \ud654\uc7a5\ud488\ucca8\uac00\uc81c, \uc758\uc57d\ud488, \uc2dd\ud488, \ub18d\uc57d \ubbf8\uc138\ube44\ub8cc \uc0dd\uc0b0, \ud608\uc561\ud56d\uccb4\uc811\ucc29\uc81c, \ubcf5\ud569\uc81c, \uc138\uc81c, \uc548\uc815\uc81c, \ud569\uc131 \uace0\ubb34, \uc911\ud569 \uac1c\uc2dc\uc81c \ubc0f \uc911\uae08\uc18d \uc815\ub7c9 \ubd84\uc11d\uc81c \ub4f1. SBR \uc911\ud569\uc744 \uc704\ud55c \uc5fc\uc18c\ud654 \ud658\uc6d0 \uac1c\uc2dc \uc2dc\uc2a4\ud15c\uc5d0\uc11c, \uc774\ud2b8\ub968 EDTA\ub294 \ud65c\uc131\uc81c\uc758 \uc131\ubd84\uc73c\ub85c \uc0ac\uc6a9\ub418\uba70, \uc8fc\ub85c \ucca0 \uc774\uc628\uc744 \ucc29\ud654\uc2dc\ud0a4\uace0 \uc911\ud569 \ubc18\uc751 \uc18d\ub3c4\ub97c \uc81c\uc5b4\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">EDTA-4Na\ub294 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uae08\uc18d \uc774\uc628 \ud0ac\ub808\uc774\ud2b8\uc81c\uc785\ub2c8\ub2e4. \uc9c1\ubb3c \uc0b0\uc5c5 \uc5fc\uc0c9, \uc218\uc9c8 \ucc98\ub9ac, \uc0c9 \uac10\uc791, \uc81c\uc57d, \uc77c\uc6a9 \ud654\ud559, \uc138\uc81c, \uc81c\uc9c0 \ubc0f \uae30\ud0c0 \uc0b0\uc5c5\uc5d0\uc11c \ucca8\uac00\uc81c, \ud65c\uc131\uc81c, \ud65c\uc131\uc81c, \uc815\uc218\uae30, \uae08\uc18d \uc774\uc628 \ub9c8\uc2a4\ud0b9\uc81c \ubc0f \ud65c\uc131\uc81c\ub85c \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac74\uc2dd \uc544\ud06c\ub9b4 \uc0b0\uc5c5\uc5d0\uc11c \uae08\uc18d \uac04\uc12d\uc744 \uc0c1\uc1c4\ud558\uace0 \uc5fc\uc0c9\ub41c \uc9c1\ubb3c\uc758 \uc0c9\uc0c1\uacfc \ubc1d\uae30\ub97c \uac1c\uc120\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud3ec\uc7a5:<br>&nbsp; &nbsp; &nbsp;&nbsp;\ube44\ub2d0 \ubd09\ud22c, \ubcf5\ud569 \uc885\uc774 \ubd09\ud22c, \uc9c1\uc870 \ubd09\ud22c, \ud1b5 \ub0b4\ubd80\uc758 \ube44\ub2d0 \ubd09\ud22c, \ud50c\ub77c\uc2a4\ud2f1 \ub4dc\ub7fc \ub610\ub294 IBC \ub610\ub294 \uace0\uac1d \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \ud3ec\uc7a5\ub41c 25kg \ud06c\ub77c\ud504\ud2b8 \uc885\uc774 \ubd09\ud22c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc800\uc7a5\uc18c:<br>&nbsp; &nbsp; &nbsp;&nbsp;\uac74\uc870\ud558\uace0 \ud658\uae30\uac00 \uc798 \ub418\ub294 \ucc3d\uace0\uc5d0 \ubcf4\uad00\ud558\uace0 \uc9c1\uc0ac\uad11\uc120\uc744 \ud53c\ud558\uace0 \ud587\ube5b, \uc2b5\uae30, \ud654\uc7ac \uc608\ubc29\uc5d0 \uc8fc\uc758\ud558\uc5ec \ubcf4\uad00\ud558\uba70 \uac00\ubccd\uac8c \uc313\uc544\ub450\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"has-large-font-size wp-block-paragraph\"><strong>The following is the original English text.<br>\ub2e4\uc74c\uc740 \uc601\uc5b4 \uc6d0\ubb38\uc785\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ethylenediaminetetraacetic acid (EDTA) and its disodium salt and tetrasodium salt<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Technical data:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><\/td><td>EDTA Acid<\/td><td>EDTA-2Na<\/td><td>EDTA-4Na<\/td><\/tr><tr><td>CAS Number<\/td><td>60-00-4<\/td><td>6381-92-6<\/td><td>13235-36-4<\/td><\/tr><tr><td>Molecular Formula<\/td><td>C10H16N2O8<\/td><td>C10H14N2O8Na2-2H2O<\/td><td>C10H12N2O8Na4-4H2O<\/td><\/tr><tr><td>Molecular weight<\/td><td>M=292.2<\/td><td>M=372.24<\/td><td>M=452.23<\/td><\/tr><tr><td>Content %<\/td><td>\u226599.0<\/td><td>\u226599.0<\/td><td>\u226599.0<\/td><\/tr><tr><td>Chloride (as Cl) %<\/td><td>\u2264 0.05<\/td><td>\u2264 0.01<\/td><td>\u2264 0.05<\/td><\/tr><tr><td>Sulfate (as SO4) %<\/td><td>\u2264 0.05<\/td><td>\u2264 0.05<\/td><td>\u2264 0.05<\/td><\/tr><tr><td>Heavy metal(by Pb)%<\/td><td>\u2264 0.001<\/td><td>\u2264 0.001<\/td><td>\u2264 0.001<\/td><\/tr><tr><td>Iron (Fe)%<\/td><td>\u2264 0.001<\/td><td>\u2264 0.001<\/td><td>\u2264 0.001<\/td><\/tr><tr><td>Chelation value: mgCaCO3\/g<\/td><td>\u2265 339<\/td><td>\u2265 265<\/td><td>\u2265 215<\/td><\/tr><tr><td>PH value<\/td><td>2.8-3.0<\/td><td>4.0-5.0 (5% aqueous solution)<\/td><td>10.5-11.5 (5% aqueous solution)<\/td><\/tr><tr><td>Appearance<\/td><td>White crystalline powder<\/td><td>White crystalline powder<\/td><td>White crystalline powder<\/td><\/tr><tr><td>Characteristic<\/td><td>Insoluble in cold water, alcohol and general organic solvents, <strong>solubility in water is 0.5g\/L (25\u2103),<\/strong> slightly soluble in hot water, soluble in 160 parts of boiling water, soluble in sodium hydroxide, sodium carbonate and ammonia and other alkaline solutions. Melting point 240\u2103 (decomposition); at 150\u2103, it shows the tendency to take off carboxyl group.<\/td><td>It contains two crystal water, <strong>good water solubility<\/strong>, PH value of 5% aqueous solution is 4-5, insoluble in organic solvents such as ethanol and ether, and easy to lose crystal water when drying.<\/td><td>Contains 4 crystal water, <strong>easily soluble in water,<\/strong> alkaline in aqueous solution, slightly soluble in organic solvents such as ethanol, and can lose part or all of its crystal water at high temperature.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Use:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>EDTA<\/strong> is widely used and is a representative substance of chelating agent. It can form stable water-soluble complexes with alkali metals, rare earth elements and transition metals. It is widely <strong>used in<\/strong> polymer chemical industry, daily chemical industry, paper industry, pharmaceutical industry, agriculture, textile printing and dyeing industry, aquaculture, photographic chemicals, oil field chemicals, water treatment agents, boiler cleaning agents and analytical reagents.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>EDTA-2Na<\/strong> is an important complexing agent, used for complexing metal ions and separating metals, this product is <strong>used as<\/strong> bleaching fixing solution for color photographic material developing and processing, and dyeing auxiliary, fiber treatment agent, cosmetic additive, medicine, food, agricultural chemical microfertilizer production, blood anticoagulant, complexing agent, detergent, stabilizer, synthetic rubber, polymerization initiator and heavy metal quantitative analysis agent, etc. In the chlorinated reduction initiation system for SBR polymerization, disodium EDTA is used as a component of the active agent, mainly for complexing iron ions and controlling the rate of polymerization reaction.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>EDTA-4Na<\/strong> is a widely used metal ion chelating agent. It can <strong>be used in<\/strong> textile industry dyeing, water quality treatment, color sensitization, pharmaceutical, daily chemical, detergent, paper making and other industries as additive, activator, water purifier, metal ion masking agent and activator in butyl rubber industry. It is used in the dry acrylic industry to offset metal interference and improve the color and brightness of the dyed fabric.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Packaging:<br><\/strong>&nbsp; &nbsp; &nbsp;&nbsp;25kg kraft paper bags lined with plastic bags, composite paper bags, woven bags, plastic bags inside barrels, plastic drum or IBC, or packaging according to customer requirements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Storage:<br><\/strong>&nbsp; &nbsp; &nbsp;&nbsp;Store in a dry and ventilated warehouse, avoid direct sunlight, store with attention to sunlight, moisture, fire prevention, lightly stacked and lightly placed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>EDTA-2Na, CAS 6381-92-6;<br \/>\nEDTA-4Na, CAS 13235-36-4;EDTA-Na\ub294 \ubb3c\uc5d0 \uc27d\uac8c \uc6a9\ud574\ub418\uba70 \uace0\uc628\uc5d0\uc11c \uacb0\uc815\uc218\uc758 \uc77c\ubd80 \ub610\ub294 \uc804\ubd80\ub97c \uc783\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\nEDTA Acid \uc0b0\uc740 \ubb3c\uc5d0 \ub179\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":4706,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"wp-custom-template-single-in-korean","format":"standard","meta":{"_locale":"ko_KR","_original_post":"https:\/\/www.green-mountainchem.com\/?p=2049","footnotes":""},"categories":[9,10],"tags":[14,427,65,66,310,84],"class_list":["post-2881","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-conventional-chelating-agents","category-water-treatment","tag-chelating-agent","tag-complexing-agent","tag-edta-2na","tag-edta-4na","tag-sequestering-agent","tag-water-treatment-chemicals","ko-KR"],"_links":{"self":[{"href":"https:\/\/www.green-mountainchem.com\/wp-json\/wp\/v2\/posts\/2881","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.green-mountainchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.green-mountainchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.green-mountainchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.green-mountainchem.com\/wp-json\/wp\/v2\/comments?post=2881"}],"version-history":[{"count":0,"href":"https:\/\/www.green-mountainchem.com\/wp-json\/wp\/v2\/posts\/2881\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.green-mountainchem.com\/wp-json\/wp\/v2\/media\/4706"}],"wp:attachment":[{"href":"https:\/\/www.green-mountainchem.com\/wp-json\/wp\/v2\/media?parent=2881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.green-mountainchem.com\/wp-json\/wp\/v2\/categories?post=2881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.green-mountainchem.com\/wp-json\/wp\/v2\/tags?post=2881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}