尿囊素 （脲囊素）

weking

<p class="MsoNormal" align="left" style="MARGIN: 7.8pt 0cm; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-para-margin-left: 0cm; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd;"><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">尿囊素 （脲囊素）<span lang="EN-US"><br/></span>化学名称： <span lang="EN-US">5-</span>脲基乙内酰脲 <span lang="EN-US"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="mso-spacerun: yes;">&nbsp;</span><span style="mso-spacerun: yes;">&nbsp;</span></span>别名 <span lang="EN-US">: </span>奥兰特 <span lang="EN-US"><br/></span>分子式： <span lang="EN-US">C4H6N403<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span>分子量：<span lang="EN-US"> 158.12 <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 7.8pt 0cm; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-para-margin-left: 0cm; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd;"><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">产品物性和质量标准<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 7.8pt 0cm; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-para-margin-left: 0cm; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">1.&nbsp;</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">性状：白色结晶性粉末，无嗅无味<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 7.8pt 0cm; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-para-margin-left: 0cm; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">2.&nbsp;</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">含量：<span lang="EN-US">≥98.5%<p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 7.8pt 0cm; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-para-margin-left: 0cm; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">3.&nbsp;</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">熔点：<span lang="EN-US">≥<chmetcnv wst="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="222" unitname="℃">222<span lang="EN-US"><span lang="EN-US">℃</span></span></chmetcnv><p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 7.8pt 0cm; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-para-margin-left: 0cm; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">4.&nbsp;</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">干燥失重：<span lang="EN-US">≤0.5%<p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 7.8pt 0cm; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-para-margin-left: 0cm; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">5.&nbsp;</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">灼烧残渣：<span lang="EN-US">≤0.5%<p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 7.8pt 0cm; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-para-margin-left: 0cm; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">6.&nbsp;pH</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">值（<span lang="EN-US">0.5%</span>水溶液，<chmetcnv wst="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="25" unitname="℃"><span lang="EN-US">25</span>℃</chmetcnv>）：<span lang="EN-US">4.5</span>～<span lang="EN-US">6.0<p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 7.8pt 0cm; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-para-margin-left: 0cm; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">7.&nbsp;</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">重金属（以<span lang="EN-US">Pb</span>计）：<span lang="EN-US">≤0.001%<p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 7.8pt 0cm; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-para-margin-left: 0cm; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">8.&nbsp;</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">砷（<span lang="EN-US">As</span>）：<span lang="EN-US">≤0.0002%<p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 7.8pt 0cm; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-para-margin-left: 0cm; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">9.&nbsp;</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">溶解性：①在水中，随温度升高，溶解度显著增加（<chmetcnv wst="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="25" unitname="℃"><span lang="EN-US">25</span>℃</chmetcnv>，<chmetcnv wst="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="5.7" unitname="g"><span lang="EN-US">5.7g</span></chmetcnv><span lang="EN-US">/L</span>；<chmetcnv wst="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="40" unitname="℃"><span lang="EN-US">40</span>℃</chmetcnv>，<chmetcnv wst="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="11" unitname="g"><span lang="EN-US">11g</span></chmetcnv><span lang="EN-US">/L</span>；<chmetcnv wst="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="75" unitname="℃"><span lang="EN-US">75</span>℃</chmetcnv>，<chmetcnv wst="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="40" unitname="g"><span lang="EN-US">40g</span></chmetcnv><span lang="EN-US">/L</span>）<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 7.8pt 0cm; TEXT-INDENT: 49.5pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 5.5; mso-para-margin-left: 0cm; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd;"><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">②微溶于丙二醇，难溶于乙醇、甘油<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 7.8pt 0cm; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-para-margin-left: 0cm; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd;"><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">一、理化性状：<span lang="EN-US"> <br/></span>　　 尿囊素纯品是一种无毒、无味、无刺激性、无过敏性的白色晶体，水中结晶为单棱柱体或无色结晶性粉末。熔点：<span lang="EN-US">226<chmetcnv wst="on" tcsc="0" numbertype="1" negative="True" hasspace="False" sourcevalue="240" unitname="℃">-240℃</chmetcnv></span>。能溶于热水、热醇和稀氢氧化钠溶液。微溶于常温的水和醇，难溶于乙醚和氯仿等有机溶剂；其饱和水溶液<span lang="EN-US">(</span>浓度为<span lang="EN-US">0.6</span>％<span lang="EN-US">)</span>呈微酸性；<span lang="EN-US">PH</span>为<span lang="EN-US">5.5</span>。在<span lang="EN-US">PH</span>值为<span lang="EN-US">4-9</span>的水溶液中稳定。在非水溶剂和干燥空气中亦稳定；在强硷性溶液中煮沸及日光曝晒下可分解。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 7.8pt 0cm; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-para-margin-left: 0cm; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd;"><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">二、主要用途：<span lang="EN-US"> <br/></span>　　 尿囊素是一种重要的精细化工产品，用途极为广泛，普遍应用于医药、轻工、农业、日化、生物工程等方面：<span lang="EN-US"><br/></span>　　<span lang="EN-US">1</span>、在医药方面：尿囊素具有促进细胞生长，加快伤口愈合，软化角质蛋白等生理功能，是皮肤创伤的良好愈合剂和抗溃疡药剂。可用作缓解和治疗皮肤干燥症、鳞屑性肤疾患、皮肤溃疡、消化道溃疡及炎症，对骨髓炎、糖尿病、肝硬化、痤疮均有较好疗效。<span lang="EN-US"><br/></span>　　<span lang="EN-US">2</span>、在化妆品方面：由于尿囊素是一种两性化合物，能结合多种物质形成复盐，具有避光、杀菌防腐、止痛、抗氧化作用，能使皮肤保持水份，滋润和柔软，是美容美发等化妆品的特效添加剂，广泛用于雀斑霜、粉刺液、香波、香皂、牙膏、刮脸洗剂、护发剂、收敛剂、抗汗除臭洗剂等的添加剂。<span lang="EN-US"><br/></span>　　<span lang="EN-US">3</span>、在农业上：尿囊素是优良的植物生长调节剂，可刺激植物生长，对小麦、柑桔、水稻、蔬菜、大豆等均有显著增产效果，并有固果，早熟作用。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 7.8pt 0cm; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-para-margin-left: 0cm; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd;"><b><span style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-bidi-font-family: Arial;">贮</span></b><b><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial;"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp; </span></span></b><b><span style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-bidi-font-family: Arial;">存：</span></b><span style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-bidi-font-family: Arial;">应贮存于避光、阴凉、干燥处，密闭保存。保质期</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial;">24</span><span style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-bidi-font-family: Arial;">个月。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial; mso-hansi-font-family: &quot;Times New Roman&quot;;"><p></p></span></p><p class="MsoNormal" align="left" style="MARGIN: 7.8pt 0cm; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-para-margin-left: 0cm; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial; mso-hansi-font-family: &quot;Times New Roman&quot;;">0571-88920936 </span><span style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-bidi-font-family: Arial;">杨先生</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"><p></p></span></p>