{"id":49583,"date":"2024-06-07T16:13:36","date_gmt":"2024-06-07T08:13:36","guid":{"rendered":"http:\/\/www.newtopchem.com\/archives\/49583"},"modified":"2024-06-07T16:13:36","modified_gmt":"2024-06-07T08:13:36","slug":"cacodylic-acid","status":"publish","type":"post","link":"http:\/\/www.newtopchem.com\/archives\/49583","title":{"rendered":"cacodylic acid","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-49582\" src=\"http:\/\/www.newtopchem.com\/wp-content\/uploads\/2024\/06\/4588912c3da2496ca1203264244d059b.gif\" width=\"198\" height=\"227\" alt=\"Dimethylarsinic acid structural formula\" \/><\/p>\n<p>Structural formula<\/p>\n<table class=\"summary-table table table-striped table-bordered\">\n<col width=\"90\" \/>\n<tbody>\n<tr>\n<th scope=\"row\">Business number<\/th>\n<td>01JV<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Molecular formula<\/th>\n<td>C2H7AsO2<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Molecular weight<\/th>\n<td>138.00<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">label<\/th>\n<td>\n<p>                         Dimethylarsinic acid,<\/p>\n<p>                         herbicide<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul class=\"nav nav-tabs\">\n<li class=\"active\"><a href=\"#bh\">Numbering system<\/a><\/li>\n<li><a href=\"#wx\">Physical property data<\/a><\/li>\n<li><a href=\"#dl\">Toxicological data<\/a><\/li>\n<li><a href=\"#st\">Ecological data<\/a><\/li>\n<li><a href=\"#fz\">Molecular structure data<\/a><\/li>\n<li><a href=\"#js\">Computing chemical data<\/a><\/li>\n<li class=\"dropdown pull-right\">\n                     <a href=\"\" class=\"dropdown-toggle\">More <span class=\"caret\"><\/span><\/a><\/p>\n<ul class=\"dropdown-menu\" role=\"menu\">\n<li><a href=\"#xz\">Properties and Stability<\/a><\/li>\n<li><a href=\"#zc\">Storage method<\/a><\/li>\n<li><a href=\"#hc\">Synthesis method<\/a><\/li>\n<li><a href=\"#yt\">Purpose<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2 id=\"bh\">Numbering system<\/h2>\n<p><b>CAS number:<\/b>75-60-5<\/p>\n<p><b>MDL number:<\/b>MFCD00002095<\/p>\n<p><b>EINECS number:<\/b>200-883-4<\/p>\n<p><b>RTECS number:<\/b>CH7525000<\/p>\n<p><b>BRN number:<\/b>1736965<\/p>\n<p><b>PubChem number:<\/b>24892235<\/p>\n<h2 id=\"wx\">Physical property data<\/h2>\n<p>\n     <P class=\"MsoNormal\" align=\"left\"><SPAN><\/SPAN><SPAN><\/SPAN> <\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>1.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Characteristics: colorless crystals.  <\/SPAN><SPAN><\/SPAN>  <\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>2.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Density (<\/SPAN><SPAN>g\/mL,25\/4<\/SPAN><SPAN>\u2103): Unsure<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>3.<SPAN> <\/SPAN><\/SPAN><\/SPAN><SPAN>Relative vapor density (<\/SPAN><SPAN>g\/mL,<\/SPAN><SPAN>AIR<\/SPAN><SPAN>=1<\/SPAN><SPAN>): Unsure<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>4.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Melting point (<\/SPAN><SPAN>\u00baC<\/SPAN><SPAN>):<\/SPAN><SPAN>192  -198<\/SPAN><SPAN>\u2103<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>5.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Boiling point (<\/SPAN><SPAN>\u00baC,<\/SPAN><SPAN>Normal pressure): Uncertain<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>6.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Boiling point (<\/SPAN><SPAN>\u00baC,5.2kPa<\/SPAN><SPAN>): Unsure<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>7.<SPAN> <\/SPAN><\/SPAN><\/SPAN><SPAN>Refractive index: Uncertain<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>8.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Flash Point (<\/SPAN><SPAN>\u00baC<\/SPAN><SPAN>): Unsure<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>9.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Specific optical rotation (<\/SPAN><SPAN>\u00ba<\/SPAN><SPAN>): Unsure<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>10.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Autoignition point or ignition temperature (<\/SPAN><SPAN>\u00baC<\/SPAN><SPAN>): Unsure<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>11.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Vapor pressure (<\/SPAN><SPAN>kPa,25\u00baC<\/SPAN><SPAN>): Unsure<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>12.<SPAN> <\/SPAN><\/SPAN><\/SPAN><SPAN>Saturated vapor pressure (<\/SPAN><SPAN>kPa,60\u00baC<\/SPAN><SPAN>): Unsure<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>13.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Heat of combustion (<\/SPAN><SPAN>KJ\/mol<\/SPAN><SPAN>): Unsure<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>14.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Critical temperature (<\/SPAN><SPAN>\u00baC<\/SPAN><SPAN>): Unsure<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>15.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Critical pressure (<\/SPAN><SPAN>KPa<\/SPAN><SPAN>): Unsure<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>16.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Oil and water (octanol<\/SPAN><SPAN>\/<\/SPAN><SPAN>Logarial value of partition coefficient for water: Uncertain<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>  17.<SPAN> <\/SPAN><\/SPAN><\/SPAN><SPAN>Explosion limit (<\/SPAN><SPAN>%,V\/V<\/SPAN><SPAN>): Unsure<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>18.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Lower explosion limit (<\/SPAN><SPAN>%,V\/V<\/SPAN><SPAN>): Unsure<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>19.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Solubility:<\/SPAN><SPAN>25<\/SPAN><SPAN>Solubility in water at \u2103 is<\/SPAN><SPAN>200g\/100g,<\/SPAN><SPAN>Soluble in lower alcohols.  <\/SPAN><SPAN><\/SPAN>  <\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN> <\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\"><SPAN> <\/SPAN><\/P>\n     <\/p>\n<h2 id=\"dl\">Toxicological data<\/h2>\n<p>\n     <P class=\"MsoNormal\"><SPAN>1<\/SPAN><SPAN>, acute toxicity: rat oral administration<\/SPAN><SPAN>LD50<\/SPAN><SPAN>\uff1a<\/SPAN><SPAN>644mg\/kg<\/SPAN><SPAN>; rat by inhalation<\/SPAN><SPAN>LCLo<\/SPAN><SPAN>\uff1a<\/SPAN><SPAN>2600mg\/m<SUP>3<\/SUP>\/2H  <\/SPAN><SPAN>  .  <\/SPAN><SPAN><\/SPAN><\/P>\n     <\/p>\n<h2 id=\"st\">Ecological data<\/h2>\n<p>\n     <P class=\"MsoNormal\"><SPAN>It is extremely harmful to water, even in small amounts, to fish and floating fish in water bodies  Creatures are poisonous <\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\"><SPAN>It is highly toxic to organic matter in the water and fish.  <\/SPAN><SPAN><\/SPAN><\/P>\n     <\/p>\n<h2 id=\"fz\">Molecular structure data<\/h2>\n<p>\n     None\n     <\/p>\n<h2 id=\"js\">Compute chemical data<\/h2>\n<p>\n     <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>1. <SPAN> <\/SPAN><\/SPAN><\/SPAN>  <SPAN>Reference value for hydrophobic parameter calculation (<SPAN>XlogP<\/SPAN>):<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>2. <SPAN> <\/SPAN><\/SPAN><\/SPAN>  <SPAN>Number of hydrogen bond donors: <SPAN>1<\/SPAN><\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>3. <SPAN> <\/SPAN><\/SPAN><\/SPAN>  <SPAN>Number of hydrogen bond acceptors: <SPAN>2<\/SPAN><\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>4. <SPAN> <\/SPAN><\/SPAN><\/SPAN>  <SPAN>Number of rotatable chemical bonds: <SPAN>0<\/SPAN><\/SPAN>  <SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>5. <SPAN> <\/SPAN><\/SPAN><\/SPAN>  <SPAN>Number of tautomers:<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>6. <SPAN> <\/SPAN><\/SPAN><\/SPAN>  <SPAN>Topological molecular polar surface area (<SPAN>TPSA<\/SPAN>):<SPAN>37.3<\/SPAN><\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>7. <SPAN> <\/SPAN><\/SPAN><\/SPAN>  <SPAN>Number of heavy atoms: <SPAN>5<\/SPAN><\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>8. <SPAN> <\/SPAN><\/SPAN><\/SPAN>  <SPAN>Surface charge: <SPAN>0<\/SPAN><\/SPAN><SPAN>  <\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>9. <SPAN> <\/SPAN><\/SPAN><\/SPAN>  <SPAN>Complexity: <SPAN>62<\/SPAN><\/SPAN><SPAN>  <\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>10. <\/SPAN><\/SPAN><SPAN>Number of isotope atoms: <SPAN>0<\/SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>11. <\/SPAN><\/SPAN><SPAN>Determine the number of atomic stereocenters: <SPAN>0<\/SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>12. <\/SPAN><\/SPAN><SPAN>The number of uncertain atomic stereocenters: <SPAN>0<\/SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>13. <\/SPAN><\/SPAN><SPAN>Determine the number of stereocenters of chemical bonds: <SPAN>0<\/SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>14. <\/SPAN><\/SPAN><SPAN>Uncertain number of chemical bond stereocenters: <SPAN>0<\/SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN>15. <\/SPAN><\/SPAN><SPAN>Covalent  Number of key units: <SPAN>1<\/SPAN><\/SPAN><\/P>\n     <\/p>\n<h2 id=\"xz\">Properties and stability<\/h2>\n<p>\n     <P class=\"MsoNormal\"><SPAN>Reacts with moisture, air, and oxides.  <\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\"><SPAN><\/SPAN><SPAN><SPAN> <\/SPAN><\/SPAN> <\/P>\n     <\/p>\n<h2 id=\"zc\">Storage method<\/h2>\n<p>\n     <P class=\"MsoNormal\"><SPAN>Store airtightly,<\/SPAN><SPAN>Store in a cool, dark place  Dry warehouse.  Avoid contact with moisture, water, and air.  <SPAN><\/SPAN><\/SPAN><\/P>\n     <\/p>\n<h2 id=\"hc\">Synthesis method<\/h2>\n<p>\n     <SPAN>Reduced by disodium methylarsinate with sulfur dioxide<SPAN>,<\/SPAN> and then under alkaline conditions  It reacts with methyl chloride to form sodium dimethylarsinate<SPAN>,<\/SPAN> and then it is treated with hydrochloric acid.  <\/SPAN>\n     <\/p>\n<h2 id=\"yt\">Purpose<\/h2>\n<p>\n     <P class=\"MsoNormal\"><SPAN>Used to control weeds in non-crop fields<\/SPAN><SPAN>,<\/SPAN><SPAN>Dosage<\/SPAN><SPAN>10<\/SPAN><SPAN>\uff5e<\/SPAN><SPAN>15kg\/ha<\/SPAN><\/P>\n     <\/p>\n<p>     extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/45041\">https:\/\/www.newtopchem.com\/archives\/45041<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/44233\">https:\/\/www.newtopchem.com\/archives\/44233<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/cas-1704-62-7\/\">https:\/\/www.bdmaee.net\/cas-1704-62-7\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/dioctyl-dimaleate-di-n-octyl-tin\/\">https:\/\/www.bdmaee.net\/dioctyl-dimaleate-di-n-octyl-tin\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/40372\">https:\/\/www.newtopchem.com\/archives\/40372<\/a><\/br>extended-reading:<a href=\"https:\/\/www.cyclohexylamine.net\/catalyst-1028-polyurethane-catalyst-1028\/\">https:\/\/www.cyclohexylamine.net\/catalyst-1028-polyurethane-catalyst-1028\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/toyocat-np-catalyst-tosoh\/\">https:\/\/www.bdmaee.net\/toyocat-np-catalyst-tosoh\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/niax-k-zero-3000-trimer-catalyst-momentive\/\">https:\/\/www.bdmaee.net\/niax-k-zero-3000-trimer-catalyst-momentive\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/polyurethane-reaction-inhibitor\/\">https:\/\/www.bdmaee.net\/polyurethane-reaction-inhibitor\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/pc-cat-np30-catalyst-trisdimethylaminomethylphenol\/\">https:\/\/www.bdmaee.net\/pc-cat-np30-catalyst-trisdimethylaminomethylphenol\/<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Structural formula Business number 01JV Molecular formu&#8230;<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49582,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15503],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49583"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49583"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49583\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49582"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49583"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49583"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}