{"id":48483,"date":"2024-05-09T16:41:20","date_gmt":"2024-05-09T08:41:20","guid":{"rendered":"http:\/\/www.newtopchem.com\/archives\/48483"},"modified":"2024-05-09T16:41:20","modified_gmt":"2024-05-09T08:41:20","slug":"o-methylhydroquinone","status":"publish","type":"post","link":"http:\/\/www.newtopchem.com\/archives\/48483","title":{"rendered":"o-methylhydroquinone","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-48482\" src=\"http:\/\/www.newtopchem.com\/wp-content\/uploads\/2024\/05\/dfb9974a3cb34a2d93bf79d4680e2c02.gif\" width=\"132\" height=\"78\" alt=\"O-methylhydroquinone 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>029M<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Molecular formula<\/th>\n<td>C7H8O2<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Molecular weight<\/th>\n<td>124.14<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">label<\/th>\n<td>\n<p>                         2-methylhydroquinone,<\/p>\n<p>                         2-Methylhydroquinone,<\/p>\n<p>                         Methylhydroquinone,<\/p>\n<p>                         2,5-Dihydroxytoluene,<\/p>\n<p>                         Methylhydroquinone,<\/p>\n<p>                         Methylhydroquinone,<\/p>\n<p>                         2,5-Dihydroxytoluene,<\/p>\n<p>                         Methyl-p-hydroquinone,<\/p>\n<p>                          Toluhydroquinone<\/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>95-71-6<\/p>\n<p><b>MDL number:<\/b>MFCD00002345<\/p>\n<p><b>EINECS number:<\/b>202-443-7<\/p>\n<p><b>RTECS number:<\/b>MX6700000<\/p>\n<p><b>BRN number:<\/b>2041489<\/p>\n<p><b>PubChem number:<\/b>24854448<\/p>\n<h2 id=\"wx\">Physical property data<\/h2>\n<p><p>1. Properties: white crystalline powder.  <\/p>\n<p>2. Density (g\/mL, 20\u2103): Undetermined<\/p>\n<p>3. Relative vapor density (g\/mL, air=1): Undetermined<\/p>\n<p>4. Melting point (\u00baC): 126~128<\/p>\n<p>5. Boiling point (\u00baC, normal pressure): 283, 163\u00baC (1466pa)<\/p>\n<p>6. Boiling point (\u00baC, kPa)  : Undetermined<\/p>\n<p>7. Refractive index: Undetermined<\/p>\n<p>8. Flash point (\u00baC): 172<\/p>\n<p>9. Specific rotation (\u00ba): Undetermined  Determined<\/p>\n<p>10. Autoignition point or ignition temperature (\u00baC): Undetermined<\/p>\n<p>11. Vapor pressure (mmHg, \u00baC): Undetermined<\/p>\n<p>12.  Saturated vapor pressure (kPa, \u00baC): Undetermined<\/p>\n<p>13. Heat of combustion (KJ\/mol): Undetermined<\/p>\n<p>14. Critical temperature (\u00baC): Undetermined<\/p>\n<p>15. Critical pressure (KPa): Undetermined<\/p>\n<p>16. Log value of oil-water (octanol\/water) partition coefficient: Undetermined<\/p>\n<p>17. Explosion upper limit (  %, V\/V): Undetermined<\/p>\n<p>18. Lower explosion limit (%, V\/V): Undetermined<\/p>\n<p>19. Solubility: Undetermined<\/p>\n<\/p>\n<h2 id=\"dl\">Toxicological data<\/h2>\n<p><p>1. Acute toxicity: rat oral LDLo: 200mg\/kg; rat intraperitoneal LDLo: 200mg\/kg; mouse oral LD50: &gt;400mg\/kg; guinea pig skin contact LD50: &gt;1mg\/kg;  <\/p>\n<\/p>\n<h2 id=\"st\">Ecological data<\/h2>\n<p><p>This substance is slightly hazardous to water.  <\/p>\n<\/p>\n<h2 id=\"fz\">Molecular structure data<\/h2>\n<p><p>1. Molar refractive index: 34.84<\/p>\n<p>2. Molar volume (cm<sup>3<\/sup>\/mol): 102.5<\/p>\n<p>3. Isotonic specific volume (90.2K  ): 274.9<\/p>\n<p>4. Surface tension (dyne\/cm): 51.6<\/p>\n<p>5. Polarizability (10-24cm3): 13.81<\/p>\n<\/p>\n<h2 id=\"js\">Compute chemical data<\/h2>\n<p><p>1. Hydrophobic parameter calculation reference value (XlogP): None<\/P><\/p>\n<p>2. Number of hydrogen bond donors: 2<\/p>\n<p>3. Number of hydrogen bond acceptors: 2<\/p>\n<p>4. Number of rotatable chemical bonds:  0<\/p>\n<p>5. Number of tautomers: 13<\/p>\n<p>6. Topological molecule polar surface area 40.5<\/p>\n<p>7. Number of heavy atoms: 9<\/p>\n<p>8. Surface charge: 0<\/p>\n<p>9. Complexity: 92.9<\/p>\n<p>10. Number of isotope atoms: 0<\/p>\n<p>11. Determine the atomic configuration  Number of centers: 0<\/p>\n<p>12. Uncertain number of atomic stereocenters: 0<\/p>\n<p>13. Determined number of chemical bond stereocenters: 0<\/p>\n<p>14. Uncertain  Number of stereocenters of chemical bonds: 0<\/p>\n<p>15. Number of covalent bond units: 1<\/p>\n<\/p>\n<h2 id=\"xz\">Properties and stability<\/h2>\n<p><p>1. Avoid contact with strong oxidants.  <\/p>\n<p>2. Exist in smoke.  <\/p>\n<p>3. Toxic!  <\/p>\n<\/p>\n<h2 id=\"zc\">Storage method<\/h2>\n<p>\n     Store in a cool, ventilated warehouse.  Keep away from fire and heat sources.  should be kept away from oxidizer, do not store together.  Equipped with the appropriate variety and quantity of fire equipment.  The storage area should be equipped with emergency release equipment and suitable containment materials.\n     <\/p>\n<h2 id=\"hc\">Synthesis method<\/h2>\n<p>\n     None yet\n     <\/p>\n<h2 id=\"yt\">Purpose<\/h2>\n<p>\n     Mainly used in pigments, dyes, and pharmaceutical intermediates.\n     <\/p>\n<p>     extended-reading:<a href=\"https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/\">https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/45181\">https:\/\/www.newtopchem.com\/archives\/45181<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/39796\">https:\/\/www.newtopchem.com\/archives\/39796<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/44322\">https:\/\/www.newtopchem.com\/archives\/44322<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/23.jpg\">https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/23.jpg<\/a><\/br>extended-reading:<a href=\"https:\/\/www.cyclohexylamine.net\/organotin-catalyst-t12-catalyst-t-12\/\">https:\/\/www.cyclohexylamine.net\/organotin-catalyst-t12-catalyst-t-12\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/jeffcat-zr-50-catalyst-cas67151-63-7-huntsman\/\">https:\/\/www.bdmaee.net\/jeffcat-zr-50-catalyst-cas67151-63-7-huntsman\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.cyclohexylamine.net\/catalyst-pt303-high-efficiency-catalyst-pt303\/\">https:\/\/www.cyclohexylamine.net\/catalyst-pt303-high-efficiency-catalyst-pt303\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/44779\">https:\/\/www.newtopchem.com\/archives\/44779<\/a><\/br>extended-reading:<a href=\"https:\/\/www.morpholine.org\/category\/morpholine\/page\/4\/\">https:\/\/www.morpholine.org\/category\/morpholine\/page\/4\/<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Structural formula Business number 029M Molecular formu&#8230;<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":48482,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15208],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/48483"}],"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=48483"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/48483\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/48482"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=48483"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=48483"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=48483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}