{"id":490,"date":"2022-11-28T09:56:00","date_gmt":"2022-11-28T01:56:00","guid":{"rendered":"https:\/\/app.lemaidi888.com\/?p=490"},"modified":"2023-06-16T17:25:10","modified_gmt":"2023-06-16T09:25:10","slug":"%e9%a6%99%e5%85%b0%e7%b4%a0-121-33-5","status":"publish","type":"post","link":"https:\/\/app.lemaidi888.com\/?p=490","title":{"rendered":"\u9999\u5170\u7d20\u4e28 121-33-5\u4e28\u745e\u5a01\u5c14\u751f\u7269\u79d1\u6280"},"content":{"rendered":"\n
\u4e2d\u6587\u540d<\/td>\u9999\u5170\u7d20<\/td><\/tr>
\u4e2d\u6587\u540c\u4e49<\/td>3-\u7532\u6c27\u57fa-4-\u7f9f\u57fa\u82ef\u7532\u919b;\u9999\u835a\u5170\u919b;\u9999\u835a\u5170\u7d20;\u9999\u5170\u919b;\u9999\u8349\u919b,AR,99%;\u9999\u5170\u7d20\u4e59\u9187\u6eb6\u6db2(\u542b\u786b\u9178)[\u7528\u4e8e\u8584\u5c42\u8272\u8c31\u663e\u8272\u5242];VANILLIN \u9999\u5170\u7d20\/\u9999\u8349\u919b;VANILLIN \u9999\u8349\u919b<\/td><\/tr>
\u82f1\u6587\u540d<\/td>Vanillin<\/td><\/tr>
\u82f1\u6587\u540c\u4e49<\/td>2-Methoxy-4-formylphenol;3-Methoxy-4-hydroxybenzaldehyde (vanillin);4-Formyl-2-methoxyphenol;Protocatechualdehyde, methyl-;Vanillin Powder;Vanillin cas:121-33-5;Vanillin NAT;Vanillin 97+%<\/td><\/tr>
CAS<\/td>121-33-5<\/strong><\/td><\/tr>
\u5206\u5b50\u5f0f<\/td>C8H8O3<\/td><\/tr>
\u5206\u5b50\u91cf<\/td>152.15<\/td><\/tr>
EINECS<\/td>204-465-2<\/td><\/tr>
\u7ed3\u6784\u5f0f<\/td>\"\u9999\u5170\u7d20\"<\/td><\/tr>
\u6027\u8d28<\/td><\/tr>
\u7194\u70b9<\/td>81-83 \u00b0C(lit.)<\/td><\/tr>
\u6cb8\u70b9<\/td>170 \u00b0C15 mm Hg(lit.)<\/td><\/tr>
\u5bc6\u5ea6<\/td>1.06<\/td><\/tr>
\u84b8\u6c14\u5bc6\u5ea6<\/td>5.3 (vs air)<\/td><\/tr>
\u84b8\u6c14\u538b<\/td>>0.01 mm Hg ( 25 \u00b0C)<\/td><\/tr>
FEMA<\/td>3107 | VANILLIN<\/td><\/tr>
\u6298\u5c04\u7387<\/td>1.4850 (estimate)<\/td><\/tr>
\u95ea\u70b9<\/td>147 \u00b0C<\/td><\/tr>
\u50a8\u5b58\u6761\u4ef6<\/td>Refrigerator<\/td><\/tr>
\u6eb6\u89e3\u5ea6<\/td>methanol: 0.1 g\/mL, clear<\/td><\/tr>
\u5f62\u6001<\/td>Crystalline Powder<\/td><\/tr>
\u9178\u5ea6\u7cfb\u6570(pKa)<\/td>pKa 7.396\u00b10.004(H2O I = 0.00 t = 25.0\u00b11.0) (Reliable)<\/td><\/tr>
\u989c\u8272<\/td>White to pale yellow<\/td><\/tr>
PH\u503c<\/td>4.3 (10g\/l, H2O, 20\u2103)<\/td><\/tr>
\u6c34\u6eb6\u89e3\u6027<\/td>10 g\/L (25 \u00baC)<\/td><\/tr>
\u654f\u611f\u6027<\/td>Air & Light Sensitive<\/td><\/tr>
Merck<\/td>14,9932<\/td><\/tr>
JECFA Number<\/td>889<\/td><\/tr>
BRN<\/td>472792<\/td><\/tr>
\u7a33\u5b9a\u6027<\/td>Stable. May discolour on exposure to light. Moisture-sensitive. Incompatible with strong oxidizing agents, perchloric acid.<\/td><\/tr>
NIST\u5316\u5b66\u7269\u8d28\u4fe1\u606f<\/td>Benzaldehyde, 4-hydroxy-3-methoxy-(121-33-5)<\/td><\/tr>
EPA\u5316\u5b66\u7269\u8d28\u4fe1\u606f<\/td>Vanillin (121-33-5)<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"

\u4e2d\u6587\u540d \u9999\u5170\u7d20 \u4e2d\u6587\u540c\u4e49 3-\u7532\u6c27\u57fa-4-\u7f9f\u57fa\u82ef\u7532\u919b;\u9999\u835a\u5170\u919b;\u9999\u835a\u5170\u7d20;\u9999\u5170\u919b;\u9999\u8349\u919b,AR,99%;\u9999\u5170\u7d20 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-490","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/490","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=490"}],"version-history":[{"count":3,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/490\/revisions"}],"predecessor-version":[{"id":2753,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/490\/revisions\/2753"}],"wp:attachment":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}