{"id":641,"date":"2022-12-12T10:56:25","date_gmt":"2022-12-12T02:56:25","guid":{"rendered":"https:\/\/app.lemaidi888.com\/?p=641"},"modified":"2022-12-12T10:56:25","modified_gmt":"2022-12-12T02:56:25","slug":"%e6%8a%97%e5%9d%8f%e8%a1%80%e9%85%b8-50-81-7-%e7%91%9e%e5%a8%81%e5%b0%94%e7%94%9f%e7%89%a9%e7%a7%91%e6%8a%80","status":"publish","type":"post","link":"https:\/\/app.lemaidi888.com\/?p=641","title":{"rendered":"\u6297\u574f\u8840\u9178 | 50-81-7 | \u745e\u5a01\u5c14\u751f\u7269\u79d1\u6280"},"content":{"rendered":"\n
\u4e2d\u6587\u540d<\/td>\u7ef4\u751f\u7d20 C<\/td><\/tr>
\u4e2d\u6587\u540c\u4e49<\/td>\u6297\u574f\u8840\u9178;\u7ef4\u751f\u7d20 C;L-\u6297\u574f\u8840\u9178,L-\u7ef4\u751f\u7d20C;\u7ef4\u751f\u7d20C \u6807\u51c6\u54c1;\u6297\u58de\u8840\u9178;\u6297\u58de\u8840\u75c5\u9178;\u7dad\u751f\u7d20C;\u7ef4\u751f\u7d20C(L-\u6297\u574f\u8840\u9178)<\/td><\/tr>
\u82f1\u6587\u540d<\/td>L(+)-Ascorbic acid<\/td><\/tr>
\u82f1\u6587\u540c\u4e49<\/td>3-Keto-L-gulofuranolactone;3-Oxo-L-gulofuranolactone;3-oxo-l-gulofuranolactone(enolform);Adenex;Allercorb;Antiscorbic vitamin;antiscorbicvitamin;Antiscorbutic vitamin<\/td><\/tr>
CAS<\/td>50-81-7<\/strong><\/td><\/tr>
\u5206\u5b50\u5f0f<\/td>C6H8O6<\/td><\/tr>
\u5206\u5b50\u91cf<\/td>176.12<\/td><\/tr>
EINECS<\/td>200-066-2<\/td><\/tr>
\u7ed3\u6784\u5f0f<\/td>\"\u7ef4\u751f\u7d20<\/td><\/tr>
\u6027\u8d28<\/td><\/tr>
\u7194\u70b9<\/td>190-194 \u00b0C (dec.)<\/td><\/tr>
\u6bd4\u65cb\u5149\u5ea6<\/td>20.5 \u00ba (c=10,H2O)<\/td><\/tr>
\u6cb8\u70b9<\/td>227.71\u00b0C (rough estimate)<\/td><\/tr>
\u5bc6\u5ea6<\/td>1,65 g\/cm3<\/sup><\/td><\/tr>
FEMA<\/td>2109 | ASCORBIC ACID<\/td><\/tr>
\u6298\u5c04\u7387<\/td>21 \u00b0 (C=10, H2O)<\/td><\/tr>
\u50a8\u5b58\u6761\u4ef6<\/td>0-6\u00b0C<\/td><\/tr>
\u6eb6\u89e3\u5ea6<\/td>H2<\/sub>O: 50 mg\/mL at 20 \u00b0C, clear, nearly colorless<\/td><\/tr>
\u5f62\u6001<\/td>powder<\/td><\/tr>
\u9178\u5ea6\u7cfb\u6570(pKa)<\/td>4.04, 11.7(at 25\u2103)<\/td><\/tr>
\u989c\u8272<\/td>white to slightly yellow<\/td><\/tr>
PH\u503c<\/td>1.0 \u2013 2.5 (25\u2103, 176g\/L in water)<\/td><\/tr>
\u9178\u78b1\u6307\u793a\u5242\u53d8\u8272ph\u503c\u8303\u56f4<\/td>1 \u2013 2.5<\/td><\/tr>
\u6c14\u5473 (Odor)<\/td>Odorless<\/td><\/tr>
\u65cb\u5149\u6027 (optical activity)<\/td>[\u03b1]25\/D 19.0 to 23.0\u00b0, c = 10% in H2O<\/td><\/tr>
\u6c34\u6eb6\u89e3\u6027<\/td>333 g\/L (20 \u00baC)<\/td><\/tr>
Merck<\/td>14,830<\/td><\/tr>
BRN<\/td>84272<\/td><\/tr>
\u7a33\u5b9a\u6027<\/td>Stable. May be weakly light or air sensitive. Incompatible with oxidizing agents, alkalies, iron, copper.<\/td><\/tr>
InChIKey<\/td>CIWBSHSKHKDKBQ-JLAZNSOCSA-N<\/td><\/tr>
NIST\u5316\u5b66\u7269\u8d28\u4fe1\u606f<\/td>L-Ascorbic acid(50-81-7)<\/td><\/tr>
EPA\u5316\u5b66\u7269\u8d28\u4fe1\u606f<\/td>Ascorbic acid (50-81-7)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u672c\u516c\u53f8\u7684\u6240\u6709\u4ea7\u54c1\u4ec5\u7528\u4e8e\u79d1\u5b66\u7814\u7a76\u6216\u8005\u5de5\u4e1a\u5e94\u7528\u7b49\u975e\u533b\u7597\u76ee\u7684\uff0c\u4e0d\u53ef\u7528\u4e8e\u4eba\u7c7b\u6216\u52a8\u7269\u7684\u4e34\u5e8a\u8bca\u65ad\u6216\u6cbb\u7597\uff0c\u975e\u836f\u7528\uff0c\u975e\u98df\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e2d\u6587\u540d \u7ef4\u751f\u7d20 C \u4e2d\u6587\u540c\u4e49 \u6297\u574f\u8840\u9178;\u7ef4\u751f\u7d20 C;L-\u6297\u574f\u8840\u9178,L-\u7ef4\u751f\u7d20C;\u7ef4\u751f\u7d20C \u6807\u51c6\u54c1;\u6297\u58de\u8840\u9178;\u6297 […]<\/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-641","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/641","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=641"}],"version-history":[{"count":1,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/641\/revisions"}],"predecessor-version":[{"id":642,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/641\/revisions\/642"}],"wp:attachment":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}