{"id":48698,"date":"2024-05-14T16:15:22","date_gmt":"2024-05-14T08:15:22","guid":{"rendered":"http:\/\/www.newtopchem.com\/archives\/48698"},"modified":"2024-05-14T16:15:22","modified_gmt":"2024-05-14T08:15:22","slug":"2-methylbutyraldehyde","status":"publish","type":"post","link":"http:\/\/www.newtopchem.com\/archives\/48698","title":{"rendered":"2-methylbutyraldehyde","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-48697\" src=\"http:\/\/www.newtopchem.com\/wp-content\/uploads\/2024\/05\/647667856157490a845c96796d362f42.gif\" width=\"198\" height=\"227\" alt=\"2-Methylbutyraldehyde 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>02AL<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Molecular formula<\/th>\n<td>C5H10O<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Molecular weight<\/th>\n<td>86.13<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">label<\/th>\n<td>\n<p>                         2-formylbutane,<\/p>\n<p>                         a-Methylbutyraldehyde,<\/p>\n<p>                         2-Methylbutanal,<\/p>\n<p>                         2-Formylbutane<\/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>96-17-3<\/p>\n<p><b>MDL number:<\/b>MFCD00006984<\/p>\n<p><b>EINECS number:<\/b>202-485-6<\/p>\n<p><b>RTECS number:<\/b>ES3400000<\/p>\n<p><b>BRN number:<\/b>1633540<\/p>\n<p><b>PubChem number:<\/b>24896832<\/p>\n<h2 id=\"wx\">Physical property data<\/h2>\n<p><p>1. Properties: colorless to light yellow liquid.  <\/p>\n<p>2. Density (g\/mL, 20\u2103): 0.804<\/p>\n<p>3. Relative density (20\u2103, 4\u2103): 0.8029<\/p>\n<p>4. Relative  Density (25\u2103, 4\u2103): 0.7980<\/p>\n<p>5. Boiling point (\u00baC, normal pressure): 92 ~93<\/p>\n<p>6. Refractive index at room temperature (n<sup>20<\/sup>): 1.3896<\/p>\n<p>7. Refractive index <sub> (n<\/sub><sup>20<\/sup><sub>D)<\/sub>: 1.3869<\/p>\n<p>8. Flash point (\u00baC): 4<\/p>\n<p>9. Refractive index at room temperature (n<sup>25<\/sup>): 1.3871<\/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>  p&gt;<\/p>\n<p>16. The logarithmic value of the oil-water (octanol\/water) partition coefficient: Undetermined<\/p>\n<p>17. The upper limit of explosion (%, V\/V): Undetermined<\/p>\n<p>  18. Lower explosion limit (%, V\/V): Undetermined<\/p>\n<p>19. Solubility: Slightly soluble in water, soluble in ethanol, ether, acetone and propylene glycol.  <\/p>\n<\/p>\n<h2 id=\"dl\">Toxicological data<\/h2>\n<p><p>1. Skin\/eye irritation<\/p>\n<p>Open irritation test: rabbit, skin contact: 500mg, severity of reaction: mild.  <\/p>\n<p>Standard Draize test: Rabbit, eye contact: 500mg\/24H, severity of reaction: severe.  <\/p>\n<p>Standard Draize test: Rabbit, eye contact: 500mg\/24H, severity of reaction: mild.  <\/p>\n<p>Standard Draize test: guinea pig, skin contact: 100%\/24H, severity of reaction: moderate.  <\/p>\n<p>2. Acute toxicity: Rat oral LD50: 6400mg\/kg; Rat inhalation LC50: 14000ppm\/4H; Rabbit skin contact LD50: 5730\u03bcL\/kg; Guinea pig skin contact LD50: &gt;20mg  \/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: 25.35<\/p>\n<p>2. Molar volume (cm<sup>3<\/sup>\/mol): 108.7<\/p>\n<p>3. Isotonic specific volume (90.2K  ): 237.3<\/p>\n<p>4\ufffd\ufffd\ufffd Surface tension (dyne\/cm): 22.6<\/p>\n<p>5. Polarizability (10-24cm3): 10.05<\/p>\n<\/p>\n<h2 id=\"js\">Compute chemical data<\/h2>\n<p><p>1. Reference value for hydrophobic parameter calculation (XlogP): 1.1<\/P><\/p>\n<p>2. Number of hydrogen bond donors: 0<\/p>\n<p>3. Number of hydrogen bond acceptors: 1<\/p>\n<p>4. Number of rotatable chemical bonds: 2<\/p>\n<p>5. Number of tautomers: 2<\/p>\n<p>6. Topological molecule polar surface area 17.1<\/p>\n<p>7. Number of heavy atoms: 6<\/p>\n<p>8. Surface charge: 0<\/p>\n<p>9. Complexity: 41.2<\/p>\n<p>10. Number of isotope atoms: 0<\/p>\n<p>11. Determine the number of atomic stereocenters: 0<\/p>\n<p>12. Uncertain number of atomic stereocenters: 2<\/p>\n<p>13. Determine the number of chemical bond stereocenters: 0  <\/p>\n<p>14. Number of uncertain chemical bond stereocenters: 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 and air.  <\/p>\n<p>2. Exist in flue-cured tobacco leaves and smoke.  <\/p>\n<p>3. Naturally found in cheese, fish, and onions.  <\/p>\n<\/p>\n<h2 id=\"zc\">Storage method<\/h2>\n<p>\n     Store in a cool, ventilated warehouse.  Keep away from fire, heat sources, anti-static and anti-explosion.  The package is sealed and must not come into contact with air.  should be kept away from oxidizer, do not store together.  Equipped with the appropriate variety and quantity of fire equipment.  Suitable materials should be available in the storage area to contain spills.\n     <\/p>\n<h2 id=\"hc\">Synthesis method<\/h2>\n<p><p>1. It is obtained by oxidation of sec-butylmethanol separated from fusel oil.  Derived from the reduction of methylbutyric acid.  <\/p>\n<p>2. Tobacco: FC, 40.  <\/p>\n<\/p>\n<h2 id=\"yt\">Purpose<\/h2>\n<p><p>1. Used as food spices.  <\/p>\n<p>2. Used for baked goods, frozen dairy products, and pudding.  <\/p>\n<\/p>\n<p>     extended-reading:<a href=\"https:\/\/www.bdmaee.net\/dabco-mp602-delayed-amine-catalyst-non-emission-amine-catalyst\/\">https:\/\/www.bdmaee.net\/dabco-mp602-delayed-amine-catalyst-non-emission-amine-catalyst\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/cas-7646-78-8\/\">https:\/\/www.bdmaee.net\/cas-7646-78-8\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/kosmos-19-catalyst-cas121-73-6-degussa-ag\/\">https:\/\/www.bdmaee.net\/kosmos-19-catalyst-cas121-73-6-degussa-ag\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/33-2.jpg\">https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/33-2.jpg<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/nt-cat-k2097-catalyst-cas127-08-2-newtopchem\/\">https:\/\/www.bdmaee.net\/nt-cat-k2097-catalyst-cas127-08-2-newtopchem\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/polycat-9-catalyst-cas33329-35-6-evonik-germany\/\">https:\/\/www.bdmaee.net\/polycat-9-catalyst-cas33329-35-6-evonik-germany\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/1724\">https:\/\/www.newtopchem.com\/archives\/1724<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/27.jpg\">https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/27.jpg<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/1596\">https:\/\/www.newtopchem.com\/archives\/1596<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/pc-cat-api-catalyst-n-3-aminopropylimidazole-nitro\/\">https:\/\/www.bdmaee.net\/pc-cat-api-catalyst-n-3-aminopropylimidazole-nitro\/<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Structural formula Business number 02AL Molecular formu&#8230;<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":48697,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15275],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/48698"}],"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=48698"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/48698\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/48697"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=48698"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=48698"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=48698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}