中文字幕亚洲第一页在线,亚洲国产日韩欧美高清片a,亚洲一区二区三区av在线免费,日本不卡在线一区二区,亚洲av不卡电影在线网址最新 ,少妇被爽到自拍高潮在线观看,av无码一区二区三,人妻一区二区三区蜜桃
    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
    主站蜘蛛池模板: 日韩精品网| 丝袜 亚洲 另类 欧美| 日本二区三区四区高清视频| Jizz国产一区二区| 大石桥市| 99久久国产一区二区三区| 国产黄片久久免费观看| 亚洲AV无码久久久久调教| 国产一区二区三区 视频| 久久久久AV成人无码网站| 人妻中出中文字幕一区二区| 在线观看中文字幕一区二区三区| 亚洲区一区二在线播放| 在线免费观看视频1区| 国产高清女人对白av在在线 | 国产精品久久久久久久久久影院| 女同性恋亚洲一区二区| 日本五十路熟女在线视频| 无码中文日韩Av| 国产青青草视频在线播放| 欧美日韩国产另类在线观看| 国产精品久久中文字幕第一页| 亚洲国产AⅤ精品一区二区不卡| 91久久国产福利自产拍| 97色综合| 亚洲av乱码国产精品色| 亚洲日韩AV无码美腿丝袜| 国产免费网站看v片元遮挡| 亚洲一区二区精品av| 青草青草久热精品视频国产4| 中国少妇久久一区二区| 红杏性无码免费专区| 亚洲精品有码在线观看| 91在线视频视频在线| 亚洲色AV天天天天天天| 国产a级黄色一区二区| 无码一区二区丝袜| 日韩欧美国产丝袜视频| 无码一区二区三区人| 亚洲成熟丰满熟妇高潮XXXXX| 日韩一区二区三区中文字幕|