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

    Dimethyl amine

    Molecular Formula (CH3)2NH
    Molecular Weight 45.08
    Properties Gas with ammonia-like odor under normal temperature.m.p.-92.2°C,b.p.-6.9°C, Specific gravity 0.68.Easily soluble in alcohol,ether,water,and etc. Easily burn.
    Uses Used to produce DMF,water treatment agent,surfactant,pesticides,dimethylaminoethanol, etc.
    Packing and storage Anhydrous Dimethyl amine,use tank truck or steel cylinder; Dimethyl 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.Dimethyl amine Q/320412 XY206-2008

    Index name

    Top-grade

    First grade

    Qualified product

    Appearance

    colorless transparent liquid

    Dimethyl amine % ≥

    99.8

    99.5

    99.0

    Monomethylamine% ≤

    0.10

    0.20

    0.50

    Trimethyl amine % ≤

    0.05

    0.20

    0.40

    Ammonia% ≤

    0.03

    0.05

    0.10

    2. 40%Dimethyl amine solution HG/T2973-1999

    Index name

    Top grade

    First grade

    Qualified product

    Appearance

    colorless transparent liquid

    Monomethylamine% ≤

    0.10

    0.15

    0.25

    Dimethyl amine % ≥

    40.0

    40.0

    40.0

    Trimethyl amine % ≤

    0.10

    0.15

    0.25

    Ammonia% ≤

    0.01

    0.08

    0.12

    Back

    Copyright(C)2017,Suqian Xinya Technology Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice
    国产乱子影视频上线免费观看| 日韩精品久久久一区二区| 中文字幕日本人妻中出| 无码专区永久免费av网站| 日本一区二区高清在线看| 国产一级男女超爽视频| 国产一区二区三区黄网| 久久99久久99精品免视看动漫| 亚洲一区二区三区少妇| 精品成人影院中文字幕| 黄色日韩免费在线观看| 秋霞电影院免费午夜在线观看| 久草福利在线免费观看| 国产伦理三级在线观看| 欧美 日韩 国产一区二区| 亚洲成肉网综合第四色| 激情刺激国产精品久久| 亚洲av色一区二区三区精品| 欧美国产日韩欧美国产日韩| 国产精品视频自拍在线| 亚洲精品国产一区二区在线观看| 成人黄色在线免费电影| 亚洲四虎精品在线一区| 激情成人一区二区三区| 国产内射一区二区三区| 国产精品青青在线观看爽香蕉| 日韩人妻无码精品专区综合网| 亚瑟av亚洲精品一区二区| 国产中文字幕乱码在线| 无码人妻av一区二区三区波多野| 日本午夜理论一区二区在线观看| 午夜少妇一夜一夜福利| 欧美不卡高清视频在线观看| www国产内插视频| 色天天综合色天天久久191| 精品麻豆国产一区二区| 久久国产精品亚洲精品| 国产白白色视频在线观看| 丰满少妇被猛烈进av毛片| 亚洲成精品久久久久| 日本丰满亚洲人毛茸茸|