<noscript id="koj89"></noscript>
<small id="koj89"></small>
  • <source id="koj89"></source>
    
    

    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

    Di-methylformamide(DMF)

    Molecular Formula HCON(CH3)2
    Molecular Weight 73.09
    Properties colorless transparent inflammable liquid with slight ammonia odor .m.p.-61°C, b.p.152.8°C, flash point 57.7°C, refractive index 1.427-1.429,density (20°C) 0.9487g/ml,miscible with water,ether,ester,ketone,chlorinated hydrocarbon and benzene hydrocarbon,hygroscopic.
    Uses DMF is an important organic material and good solvent.It is used as solvent for man-made leather and chemical fiber,also used as material for synthesis of insecticide of high-effectiveness and low-toxicity,as gas absorbent to separate and purify the gas in petrochemical industry,as material of sulfadiazine,cortisone and Vitamin B6 in pharmaceutical industry,and also as fixing agent in vapor-phase analysis.
    Packing and storage 200L plastic drums or plastic coated metal pail. Tightly closed to store,prevent from leaking,avoid rain,sunlight,strictly forbid striking and rubbing,far from fire and heat source,stored in cool and ventilating places.
    Specifications Q/320412 XY201-2004 

    Index name

    First grade

    Qualified product

    Appearance

    colorless transparent liquid without visible impurities

    Di-methylformamide(DMF)

    99.8

    99.5

    Methanol mg/kg ≤

    50

    100

    Chroma, (Pt-Co)# : ≤

    5

    10

    Refractive index n25D

    1.427-1.429

     

    Moisture, % ≤

    0.05

    0.10

    Formic acid mg/kg ≤

    30

    50

    Dimethyl amine mg/kg ≤

    15

    30

    PH (20% solution)

    6.5-8.0

    6.5-9.0

    Fe mg/kg ≤

    0.05

    -

    Back

    Copyright(C)2017,Suqian Xinya Technology Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice
    久久精品中文字幕有码,2021年精品久久久精品,鲁丝一区二区在线观看,国产欧洲精品亚洲午夜拍精品
    <noscript id="koj89"></noscript>
    <small id="koj89"></small>
  • <source id="koj89"></source>
    
    

    黄色无码视频免费| 国产在线观看精品无码不卡| 亚洲另类欧洲综合久久| 亚洲欧美日韩国产综合在线一区| 办公室被吃奶好爽在线观看视频| 中文字幕人成乱码在线观看| 久久精品亚洲国产AV| 国产精品日韩欧美一区二区三区| 久久亚洲一区| 亚洲AⅤ中文无码| 国产亚洲日韩一区二区三区在线观看| 久久久久久国产精品视频| 动漫处女自慰日韩一区二区| 在线一级视频欧美亚洲| 制服丝袜视频精品中文字幕| 色98视频都是亚洲国产精品| 精品无码一二三四区| 免费观看国内A及毛片| 无码精品人妻在线看| 国产精品偷伦视频免费观看了| 中文字幕乱码二区免费在线| 人妻内射中文字幕| 国产成人综合99| 国产精品一区二区XXXXX| 国产成人中文字幕视频| 国产精品无码AV在线毛片| 在线看片国产日韩欧美亚洲| 久久久久久精品无码视频| av一本在线人妻无码中字|