<pre id="xx9zx"></pre>

      <pre id="xx9zx"><del id="xx9zx"><mark id="xx9zx"></mark></del></pre>

          <p id="xx9zx"><mark id="xx9zx"><thead id="xx9zx"></thead></mark></p>

                  <ruby id="xx9zx"></ruby><p id="xx9zx"><mark id="xx9zx"><thead id="xx9zx"></thead></mark></p>
                    欧美在线精品一区二区在线观看,91福利一区二区在线观看,国产福利一区二区三区,国产一级毛片一区二区三区 亚洲欧美久久精品一区,欧美日韩视频一区三区二区,亚洲韩国欧美一区二区三区,色老头一区二区三区
                    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

                    N-ethylformamide(NEF)

                    Molecular Formula

                    C3H7NO

                    Molecular Weight

                    73.09

                    Properties

                    Light yellow or colorless transparent liquid.m.p.-78°C,b.p.202-204°C,flash point 113°C,proportion 0.95 (20°C)。

                    Uses

                    N-ethyl formamide is an important organic chemical raw material and intermediate ,is a good organic solvent. Used as a solvent, drug synthesis reaction solvent, solvent synthesis, fiber spinning, photographic chemicals, the field of painting and electronic chemicals. Used as reaction solvent and refining  solvent in organic synthesis. It is also widely used in pharmaceutical, dyestuff, spice and electrolysis, electroplating industry.

                    Packing and storage

                    200L plastic drum or plastic coated metal pail. Tightly closed to store,prevent from leaking,avoid rain,sunlight,far from fire and heat source,strictly forbid striking and rubbing.

                    Specifications

                    GXY005-2014

                    Index name

                    Top-grade

                    Appearance

                    Light yellow or colorless transparent liquid, no visible impurities

                    N-ethylformamide, % ≥

                    99.7

                    Methanol, % ≤

                    0.10

                    Chroma, (Pt-Co)# : ≤

                    20

                    Moisture, % ≤

                    Monoethylamine, % ≤

                    N,N-diethylformamide, % ≤

                    0.05

                    0.05

                    0.10

                    Back

                    Copyright(C)2017,Suqian Xinya Technology Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice
                    欧美久久一区二区三区,欧美日韩一,亚洲欧美成人日韩,在线中文字幕日韩欧美 欧美在线精品一区二区在线观看,91福利一区二区在线观看,国产福利一区二区三区,国产一级毛片一区二区三区 亚洲欧美久久精品一区,欧美日韩视频一区三区二区,亚洲韩国欧美一区二区三区,色老头一区二区三区
                    <pre id="xx9zx"></pre>

                        <pre id="xx9zx"><del id="xx9zx"><mark id="xx9zx"></mark></del></pre>

                            <p id="xx9zx"><mark id="xx9zx"><thead id="xx9zx"></thead></mark></p>

                                    <ruby id="xx9zx"></ruby><p id="xx9zx"><mark id="xx9zx"><thead id="xx9zx"></thead></mark></p>