• <abbr id="06oy4"></abbr>
    <source id="06oy4"><strong id="06oy4"></strong></source>
  • <sup id="06oy4"><delect id="06oy4"></delect></sup>
    <center id="06oy4"><samp id="06oy4"></samp></center>
    <option id="06oy4"><th id="06oy4"></th></option>
  • <option id="06oy4"></option>
    亚洲日本一区二区三区在线,乱中年女人伦av三区,国产在线国偷精品免费看,日本道高清一区二区三区,欧美亚洲日韩国产人成在线播放,国内不卡的一区二区三区,国产毛片一区二区精品,亚洲爆乳无码一区二区三区

    Products

    Products

    Tetrahydrofuran

    Tetrahydrofuran

    Specification: premium grade

    Origin: domestic, South Asia

    Packaging: 180kg/drum


    Detailed introduction

    Product name

    Tetrahydrofuran

    English name

    Tetrahydrofuran

    Alias

    THF; oxolane; Butane, alpha,delta-oxide; Cyclotetramethylene oxide; Diethylene oxide; Furan, tetrahydro-; Furanidine; 1,2,3,4-tetrahydro-9H-fluoren-9-one

    CAS RN

    109-99-9

    EINECS No.

    203-726-8

    Molecular formula

    C13H12O

    Molecular weight

    184.2338

    Dangerous goods mark

    F:Flammable
    Xi:Irritant

    Risk term

    R11; R19; R36/37;

    Safety term

    S16; S29; S33;

    Physicochemical property

    Appearance A clear, colorless liquid with an ether odor
    Boiling point 67℃ 
    Freezing point -108℃ 
    Relative density 0.985
    Refractive index 1.4050
    Flashing point -17℃ 
    Solubility Miscible with water, alcohol, ketone, benzene, ester, ether, hydrocarbon

    To use

    Used as solvent and raw material for organic synthesis

    Upstream raw material

     

    Downstream product

    Tetrahydrothiophene, 1,4-Dibromobutane, 3-hydroxy-2-methyl-4-pyrone, Isophytol, 1,4-Butane sultone, Fenbutatin oxide, Tetrahydrofuran, Tetrahydrofuran, ethyl erythromycin succinate, phenylalanine, Norethisterone, levonorgestrel, Mifepristone

    Address
    Add: Room 1655, Floor 16, No. 2000, Zhongshanbei Road, Putuo District, Shanghai
    Tel
    +86-21-62142081
    主站蜘蛛池模板: 国产熟睡乱子伦午夜视频| 国产成人av乱码在线观看| 色伦专区97中文字幕| 天堂在/线中文在线资源 官网| 精品在线视频免费| 熟妇人妻不卡中文字幕| av午夜福利一片免费看久久| 精品国精品自拍自在线| 国产盗摄xxxx视频xxxx| 国产一区二区精品福利| 又黄又爽视频好爽视频| 国产区91| 老司机aⅴ在线精品导航| 色综合久久久久综合999| 久久东京热人妻无码人av| 久久久无码人妻精品一区| 日本狂喷奶水在线播放212| 在线观看无码av免费不卡网站| 人人爽人人爽人人片av东京热| 99久久精品国产精品亚洲| 国产高清视频一区二区三区| 国产av精品一区二区三区| 91av视频网站| 精品国产成人a区在线观看| 久久综合色一综合色88| 国产精品高清一区二区三区| 国产午精品午夜福利757视频播放| 人妻丰满熟妇av无码区app| 国产日韩久久免费影院| 含羞草亚洲AV无码久久精品| 亚洲综合在线日韩av| 免费A级毛片中文字幕| 中日韩黄色基地一二三区| 午夜通通国产精品福利| 久久月本道色综合久久| 综合亚洲色图| 西西大胆午夜人体视频| av午夜福利一片免费看久久| 亚洲一区二区| 激情欧美成人久久综合| 麻豆国产精品视频|