久久九九久精品国产首页_欧美日韩在线不卡高清视频_国产精品网曝门在线观看_P2020国产精品久久精品

    <ol id="lu3ax"><tbody id="lu3ax"></tbody></ol>
      熱線電話:021-54370211?    

    Methyl 4-hydroxybenzoate

    Product Name: Methylparaben
    Synonyms: NIPAGIN;NIPAGIN PLAIN;P-HYDROXYBENZOIC ACID METHYL ESTER;RARECHEM AL BF 0098;4-hydroxy-benzoicacimethylester;Abiol;Aseptoform;Benzoic acid, p-hydroxy-, methyl ester
    CAS: 99-76-3
    MF: C8H8O3
    MW: 152.15

    EINECS: 202-785-7

    Melting point 125-128 °C(lit.)
    Boiling point 298.6 °C
    density 1,46g/cm
    FEMA 2710
    Fp 280°C
    storage temp. 0-6°C
    Water Solubility Slightly soluble in water.
    FreezingPoint 131℃
    Merck 14,6107
    Chemical properties White needle crystal; Slightly soluble in water, easily soluble in ethanol, ether, acetone and other organic solvents.
    Application
    Antioxidants.
    Antimicrobial agents for medicine and organic synthesis.
    Anti-mildew in food, cosmetics and pharmaceutical industries.
    As a preservative antiseptic agents in the pharmaceutical industry, also for organic synthesis and food, spices, film and other preservative additives.
    Similar products produced by similar production methods, like ethyl p-hydroxybenzoate (paraben B) and propyl p-hydroxybenzoate (Nepalese c), are also disinfectant preservatives.The products are irritating to the skin.


    @ 2016 ShangHaiYaYu Biomedical co.,ltd TEL:021-54370211、54370255、54370355 FAX:021-54370255

    吕梁市| 黑山县| 绩溪县| 和平县| 丹东市| 安陆市| 达日县| 阿坝县| 海原县| 新昌县| 巴彦淖尔市| 嘉义市| 民权县| 十堰市| 越西县| 成都市| 综艺| 新野县| 江源县| 三明市| 义马市| 巴东县| 滨州市| 宁陕县| 桂东县| 新宾| 洛阳市| 昌江| 黄梅县| 师宗县| 西林县| 应城市| 如皋市| 吴川市| 体育| 广安市| 弋阳县| 广河县| 无极县| 鲁山县| 苏尼特右旗|