午夜福利成人精品视频,国产情侣露脸精品视频,国产成人国产在线播放,久久综合久久狠狠激情,91在线国产精品麻豆,国产精品午夜免费福利,四虎免费在线观看视频,亚洲av激情综合国产,激情五月开心五月麻豆,亚洲激情午夜av在线

  • <tr id="eqequ"></tr>
  • <samp id="eqequ"><pre id="eqequ"></pre></samp>
  • <samp id="eqequ"><tbody id="eqequ"></tbody></samp><kbd id="eqequ"></kbd>
    <samp id="eqequ"><tbody id="eqequ"></tbody></samp>
    
  • <kbd id="eqequ"></kbd>
    Recommended Products
    75-12-7
    123-39-7
    107-31-3
    124-40-3
    75-50-3
    647-45-2
    617-84-5
    74-89-5
    68-12-2
    Products

    Trimethyl amine

    Molecular Formula (CH3)3N
    Molecular Weight 59.11
    Properties Gas with ammonia-like odor under normal temperature.m.p.-117.1°C,b.p.3°C. Specific gravity 0.66(-5°C).Easily soluble in alcohol, ether, water,and etc.Easily burn.
    Uses Used to produce pesticides,synthesize surface-active agent,also as disinfectant.
    Packing and storage Anhydrous Trimethyl amine,use tank truck or steel cylinder; Trimethyl amine solution,use 200L metal pail. Tightly closed to store in cool and ventilated places,avoid sunlight and using units which easily cause static electricity,prevent from striking and vibrating.
    Specifications

    1. Trimethyl amine Q/320412 XY207-2008

    Index name

    Top-grade

    First grade

    Qualified product

    Appearance

    colorless transparent liquid

    Trimethyl amine % ≥

    99.5

    99.2

    99.0

    Monomethylamine% ≤

    0.10

    0.30

    0.50

    Dimethyl amine % ≤

    0.10

    0.20

    0.30

    Ammonia% ≤

    0.05

    0.10

    0.20

    2. 30% Trimethyl amine solution HG/T2974-1999

    Index name

    Top grade

    First grade

    Qualified product

    Appearance

    colorless transparent liquid

    Monomethylamine% ≤

    0.10

    0.15

    0.25

    Dimethyl amine % ≤

    0.10

    0.15

    0.20

    Trimethyl amine % ≥

    30.0

    30.0

    30.0

    Ammonia% ≤

    0.02

    0.08

    0.12

    Back

    Copyright(C)2017,Suqian Xinya Technology Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice
    国产成人啪精品午夜网站下载| 亚洲综合熟女久久久30p| 国产三级在线观看视频| 色诱视频在线观看免费| 少妇极品熟妇人妻丰满| 亚洲激情图区懂色四季| 国产精品性色一区二区三区在线蜜| 九九国产精品免费视频| 最新日韩在线一区二区| 日韩自偷拍精品视频| 久久蜜汁成人国产精品| 日韩丰满少妇一区三区| 久久亚洲精品1区2区| 亚洲欧洲日韩综合另类| 久久精品色一情一乱一伦| 国产精品国产精品三级在线观看| 综合久久精品亚洲天堂| 四虎精品免费永久在线| 深夜福利在线一区二区| 亚洲精品国产成人性色| 色噜噜色狠狠av天堂| 另类久久精品国产亚洲av高清| 一区二区三区乱码av| 精品日韩欧美区一区二区三| 国产萝控精品福利在线| 激情中文字幕人妻久久| 五月婷婷丁香激情对白一区二区| 精品国产99久久久| 激情五月网开心五月网| 亚洲一区二区激情在线| 日韩二区三区视频在线| 日本不卡精品一区二区三区| 你懂得视频在线观看| 欧美日韩精品一区在线| 四虎最新在线免费视频| 国产亚洲老牛精品视频| 亚洲天堂久综合资源站| 最新国产AV无码专区亚洲| 国产伦精品一区二区三区免费视频| 99久久久久国产精品免费| 国产黄色网页在线观看|