{"id":48910,"date":"2024-05-17T15:39:49","date_gmt":"2024-05-17T07:39:49","guid":{"rendered":"http:\/\/www.newtopchem.com\/archives\/48910"},"modified":"2024-05-17T15:39:49","modified_gmt":"2024-05-17T07:39:49","slug":"34-dimethoxybenzoic-acid","status":"publish","type":"post","link":"http:\/\/www.newtopchem.com\/archives\/48910","title":{"rendered":"3,4-Dimethoxybenzoic acid","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-48909\" src=\"http:\/\/www.newtopchem.com\/wp-content\/uploads\/2024\/05\/92fe04d485c14be2b24847bd62b3b78b.gif\" width=\"275\" height=\"227\" alt=\"3,4-dimethoxybenzoic 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>025Q<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Molecular formula<\/th>\n<td>C9H10O4<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Molecular weight<\/th>\n<td>182.17<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">label<\/th>\n<td>\n<p>                         3,4-Dimethoxybenzoic acid,<\/p>\n<p>                         veratrid acid,<\/p>\n<p>                         3,4-dimethoxyformic acid,<\/p>\n<p>                         3,4-Dimethoxybenzoic acid,<\/p>\n<p>                         3,4-dimethoxybenzoic acid,<\/p>\n<p>                         veratrumenoic acid,<\/p>\n<p>                         3,4-Dimethylprotocatechuic acid<\/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>93-07-2<\/p>\n<p><b>MDL number:<\/b>MFCD00002500<\/p>\n<p><b>EINECS number:<\/b>202-215-7<\/p>\n<p><b>RTECS number:<\/b>DG8598750<\/p>\n<p><b>BRN number:<\/b>518285<\/p>\n<p><b>PubChem number:<\/b>24893253<\/p>\n<h2 id=\"wx\">Physical property data<\/h2>\n<p>\n     <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>1.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Character:<\/SPAN><SPAN>Acicular or prismatic crystals.  Odorless.  Can sublimate (rhombus crystal)<\/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)\uff1a<\/SPAN><SPAN> <\/SPAN><SPAN>Undetermined<\/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>): Undetermined<\/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> <\/SPAN><SPAN>180<\/SPAN><SPAN>\uff5e<\/SPAN><SPAN>181<\/SPAN><SPAN>\u2103<\/SPAN><SPAN> (anhydrous).  <\/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):<\/SPAN><SPAN>272<\/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>): Undetermined<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>7.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Refractive index: undetermined<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>8.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Flashpoint (<\/SPAN><SPAN>\u00baC<\/SPAN><SPAN>): <\/SPAN><SPAN> <\/SPAN><SPAN>Undetermined<\/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>): Undetermined<\/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>): Undetermined<\/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>): Undetermined<\/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>): Undetermined<\/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>): Undetermined<\/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>): Undetermined<\/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>): Undetermined<\/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>Log value of partition coefficient (water): undetermined<\/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>): Undetermined<\/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>): Undetermined<\/SPAN><SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>19.<SPAN> <\/SPAN>  <\/SPAN><\/SPAN><SPAN>Solubility: Soluble in ether, benzene and carbon disulfide, slightly soluble in ethanol, almost insoluble in water.  <\/SPAN><SPAN> <SPAN><\/SPAN><\/SPAN><\/P>\n     <\/p>\n<h2 id=\"dl\">Toxicological data<\/h2>\n<p>\n     None\n     <\/p>\n<h2 id=\"st\">Ecological data<\/h2>\n<p>\n     None\n     <\/p>\n<h2 id=\"fz\">Molecular structure data<\/h2>\n<p>\n     <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>1. <SPAN> <\/SPAN><\/SPAN><\/SPAN><SPAN>Molar refractive index: <\/SPAN>  <SPAN>46.53<\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>2. <SPAN> <\/SPAN><\/SPAN><\/SPAN><SPAN>Molar volume (<\/SPAN><SPAN>m<SUP>3<\/SUP>\/mol<\/SPAN><SPAN>):<\/SPAN><SPAN>149.9<\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>3. <SPAN> <\/SPAN><\/SPAN><\/SPAN><SPAN>isotonic specific volume (<\/SPAN><SPAN>90.2K<\/SPAN><SPAN>):<\/SPAN><SPAN>382.7<\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>4. <SPAN> <\/SPAN><\/SPAN><\/SPAN><SPAN>Surface Tension (<\/SPAN><SPAN>dyne\/cm<\/SPAN><SPAN>):<\/SPAN><SPAN>42.4<\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN>5. <SPAN> <\/SPAN><\/SPAN><\/SPAN><SPAN>Polarizability<\/SPAN><SPAN>\uff08<\/SPAN><SPAN>10<SUP>-24<\/SUP>cm<SUP>3<\/SUP><\/SPAN><SPAN>):<\/SPAN><SPAN>18.44<\/SPAN><\/P>\n     <\/p>\n<h2 id=\"js\">Compute chemical data<\/h2>\n<p>\n     <P class=\"MsoNormal\" align=\"left\"><SPAN>1<\/SPAN><SPAN>  , <\/SPAN><SPAN> <\/SPAN><SPAN>Reference value for hydrophobic parameter calculation (<SPAN>XlogP<\/SPAN>): <SPAN>1.6  <\/SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN>2<\/SPAN><SPAN>  , <\/SPAN><SPAN> <\/SPAN><SPAN>Number of hydrogen bond donors: 1<\/SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN>3<\/SPAN><SPAN>  , <\/SPAN><SPAN> <\/SPAN><SPAN>Number of hydrogen bond acceptors: <SPAN>4<\/SPAN>  <\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN>4<\/SPAN><SPAN>  , <\/SPAN><SPAN> <\/SPAN><SPAN>Number of rotatable chemical bonds: <SPAN>3<\/SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN>5<\/SPAN><SPAN>  , <\/SPAN><SPAN> <\/SPAN><SPAN>Number of tautomers: <SPAN><\/SPAN>  <\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN><SPAN> <\/SPAN>6<\/SPAN><SPAN>\u3001<\/SPAN><SPAN> <\/SPAN>  <SPAN>Topological molecular polar surface area (<SPAN>  TPSA<\/SPAN>): <SPAN>55.8<\/SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN>7<\/SPAN><SPAN>  , <\/SPAN><SPAN> <\/SPAN><SPAN>Number of heavy atoms: <SPAN>13<\/SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN>8<\/SPAN><SPAN>  , <\/SPAN><SPAN> <\/SPAN><SPAN>Surface charge: <SPAN>0<\/SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN>9<\/SPAN><SPAN>  , <\/SPAN><SPAN> <\/SPAN><SPAN>Complexity: <SPAN>181<\/SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN>10<\/SPAN><SPAN>  , <\/SPAN><SPAN>Isotope atomic number: <SPAN>0<\/SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN>11<\/SPAN><SPAN>  , <\/SPAN><SPAN>Determine the number of atomic stereocenters: <SPAN>0<\/SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN>12<\/SPAN><SPAN>  , <\/SPAN><SPAN>Uncertain number of atomic stereocenters: <SPAN>0<\/SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN>13<\/SPAN><SPAN>  , <\/SPAN><SPAN>Determine the number of stereocenters of chemical bonds: <SPAN>0<\/SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\" align=\"left\"><SPAN>14<\/SPAN><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><SPAN>Number of covalent bond units: <SPAN>1<\/SPAN><\/SPAN><\/P><br \/>\n <P class=\"MsoNormal\"><SPAN> <\/SPAN><\/P>\n     <\/p>\n<h2 id=\"xz\">Properties and stability<\/h2>\n<p>\n     None\n     <\/p>\n<h2 id=\"zc\">Storage method<\/h2>\n<p>\n     <P><SPAN>\u00a0\u200b\u00a0<\/SPAN><SPAN>This product should be sealed and stored in a cool, dry place away from light.  <\/SPAN><SPAN><\/SPAN><\/P>\n     <\/p>\n<h2 id=\"hc\">Synthesis method<\/h2>\n<p>\n     None\n     <\/p>\n<h2 id=\"yt\">Purpose<\/h2>\n<p>\n     <SPAN> <\/SPAN><SPAN>For organic synthesis.<\/SPAN><SPAN><SPAN> <\/SPAN><\/SPAN>\n     <\/p>\n<p>     extended-reading:<a href=\"https:\/\/www.morpholine.org\/2-dimethylamineethanol\/\">https:\/\/www.morpholine.org\/2-dimethylamineethanol\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/44254\">https:\/\/www.newtopchem.com\/archives\/44254<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/40458\">https:\/\/www.newtopchem.com\/archives\/40458<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/dimethylbenzylamine-cas-103-83-3-n-dimthylbenzylamine\/\">https:\/\/www.bdmaee.net\/dimethylbenzylamine-cas-103-83-3-n-dimthylbenzylamine\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/dabco-rp205-addocat-9727p-high-efficiency-amine-catalyst\/\">https:\/\/www.bdmaee.net\/dabco-rp205-addocat-9727p-high-efficiency-amine-catalyst\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/40530\">https:\/\/www.newtopchem.com\/archives\/40530<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/high-quality-n-methylimidazole\/\">https:\/\/www.bdmaee.net\/high-quality-n-methylimidazole\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/623\">https:\/\/www.newtopchem.com\/archives\/623<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/lupragen-n205-catalyst-bisdimethylaminoethyl-ether-basf\/\">https:\/\/www.bdmaee.net\/lupragen-n205-catalyst-bisdimethylaminoethyl-ether-basf\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/dabco-ne210-balance-catalyst-ne210-dabco-amine-catalyst\/\">https:\/\/www.bdmaee.net\/dabco-ne210-balance-catalyst-ne210-dabco-amine-catalyst\/<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Structural formula Business number 025Q Molecular formu&#8230;<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":48909,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[534,15344],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/48910"}],"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=48910"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/48910\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/48909"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=48910"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=48910"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=48910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}