<form id="vrhzr"></form>

    <form id="vrhzr"></form>

      <address id="vrhzr"></address>

            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
            72式性无遮挡免费视频在线播放_女人下面自熨视频喷潮免费_艳1一6全集无删减在线观看_性行为视频在线观看无码