<wbr id="lhkiy"></wbr>
      <em id="lhkiy"></em>

          1. <sub id="lhkiy"><td id="lhkiy"></td></sub>
            <wbr id="lhkiy"><pre id="lhkiy"></pre></wbr>

          2. <form id="lhkiy"><legend id="lhkiy"><video id="lhkiy"></video></legend></form>

              <sub id="lhkiy"></sub>










                                          
              網站首頁 企業介紹 企業榮譽 產品訂單 產品中心 企業采購 聯系方式
               


              名稱:5-氯水楊酸甲酯
               

              純度:≥99.0 包裝:25kg/桶

              CAS:        4068-78-4
              分子式:    C8H7ClO3
              分子量:    186.59

              中文名稱: 5-氯水楊酸甲酯

              英文名稱: 5-chloro-2-hydroxy-benzoicacimethylester
                                
              Methyl  5-chloro-2-hydroxybenzoate

              性質描述: 白色或微紅針狀結晶,熔點45.0-48.0℃, 閃點>230 °F。

              質量標準: 
              外觀         白色或微紅針狀結晶
              含量          ≥99.0%
              熔點          45.0-48.0℃
              酸值          ≤0.20%
              重金屬      ≤20ppm
              灼燒殘渣  ≤0.15%

              用途: 醫藥中間體,用于藥物合成。

              其它信息:

              Product Identification
              【Product Name】Methyl 5-chlorosalicylate
              【Synonyms】5-氯水楊酸甲酯
              【CAS】4068-78-4
              【Formula】C8H7ClO3
              【Molecular Weight】186.59
              【EINECS】223-778-5

              Physical and Chemical Properties
              【Appearance】Solid.
              【Solubility in water】Insoluble
              【Melting Point】42 - 43℃
              【Boiling Point】261℃
              【Vapor Pressure】0.0075 (25℃)
              【Density】1.354 g/cm3 (20℃)
              【pKa/pKb】9.31 (pKa)
              【Partition Coefficient】3.24
              【Heat Of Vaporization】51.8 kJ/mol

              First Aid Measures
              【Ingestion】Seek medical treatment.
              【Inhalation】Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
              【Skin】Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
              【Eyes】Rinse opened eye for several minutes under running water. Then consult a doctor.

              Handling and Storage
              【Storage】Keep container tightly sealed. Store in cool, dry conditions in well sealed containers.

              Exposure Controls/Personal Protection
              【Personal Protection】Protective work clothing. Chemical protective gloves. Safety glasses or goggles.
              【Exposure Effects】Causes irritation of the eyes, skin and mucous membranes.

              Fire Fighting Measures
              【Flash Point】111
              【Fire Fighting】Extinguish with carbon dioxide, extinguishing powder or water spray. Fight larger fires with water spray or alcohol resistant foam. Wear self-contained respirator. Wear fully protective impervious suit.

              Stability and Reactivity
              【Stability】Decomposition will not occur if used and stored according to specifications.
              【Incompatibilities】Oxidizing agents.
              【Combustion Products】Carbon monoxide and carbon dioxide. Hydrogen chloride (HCl).

              Hazards Identification
              【EC Risk Phrase】R: 36/37/38
              【EC Safety Phrase】S: 26 37


              選購說明:
              1、歡迎選購本公司產品,撥打電話后,我們會為您送貨上門,并提供滿意的銷售服務。
              2、本公司5-氯水楊酸甲酯價格實惠,質量可靠,出庫時可提供質檢報告和5-氯水楊酸甲酯廠家說明書等資料。

               
              衢州明鋒化工有限公司          Copyright ©2020       技術支持:瑞爾豐化工網
              影视大全免费高清版下载,国产丰满熟妇性视频,精品国产在线观看福利,伊人色爱久久综合网