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?    

    1,4-Butanediol

    Product Name: 1,4-Butanediol
    Synonyms: 1,4-BUTYLENE GLYCOL;1,4-BUTANEDIOL;1,4-DIHYDROXYBUTANE;AKOS BBS-00004303;BDO;BUTANEDIOL, 1,4-;TETRAMETHYLENE GLYCOL;VERSALINK CURATIVE 1,4 BDO
    CAS: 110-63-4
    MF: C4H10O2
    MW: 90.12

    EINECS: 203-786-5

    Melting point 20 °C
    Boiling point 230 °C(lit.)
    density 1.017 g/mL at 25 °C(lit.)
    vapor density 3.1 (vs air)
    refractive index n20/D 1.445(lit.)
    Fp 135 °C
    storage temp. 2-8°C
    Water Solubility Miscible
    Sensitive Hygroscopic
    Chemical Properties viscous colourless liquid
    Usage 1,4-Butanediol is used in the synthesis of epothilones, a new class of cancer drugs. Also used in the stereoselective synthesis of (-)-Brevisamide.
    General Description Odorless colorless liquid or solid (depending upon temperature).
    Air & Water Reactions Highly flammable. 1,4-Butanediol is hygroscopic. Water soluble.

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

    武隆县| 枣庄市| 黄大仙区| 沭阳县| 高安市| 方正县| 茌平县| 北辰区| 阆中市| 巴彦县| 获嘉县| 宿松县| 漳浦县| 西乡县| 澄迈县| 壶关县| 噶尔县| 公安县| 卫辉市| 肥西县| 河东区| 佛冈县| 孟连| 祁门县| 鸡泽县| 奉新县| 怀柔区| 双辽市| 绵竹市| 威宁| 荔浦县| 防城港市| 昭平县| 东至县| 涪陵区| 土默特右旗| 大厂| 寻乌县| 兰西县| 瓮安县| 曲水县|