<tr id="oplbz"><label id="oplbz"></label></tr>

<pre id="oplbz"><label id="oplbz"></label></pre>
<li id="oplbz"><ruby id="oplbz"></ruby></li>
  • <table id="oplbz"></table>

        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


        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。

        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。


        Product Identification
        【Product Name】Methyl 5-chlorosalicylate
        【Molecular Weight】186.59

        Physical and Chemical Properties
        【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


        衢州明鋒化工有限公司          Copyright ©2020       技術支持:瑞爾豐化工網