国内精品无码视频免费|久久九九国产无码高清|日韩免费码中文在线观看|在线亚洲午夜理论AV大片|a级毛片免费高清毛片视频|亚洲男人的天堂网在线观看|美女脱光光av免费一线网站|AV鲁丝一区鲁丝二区鲁丝三区

  1. <td id="hluua"><ins id="hluua"></ins></td>
  2. <td id="hluua"><tr id="hluua"></tr></td>
    <small id="hluua"><dl id="hluua"><small id="hluua"></small></dl></small>
      <rp id="hluua"><dl id="hluua"></dl></rp>

      1. ?

        NMP

        N-METHYL-2-PYRROLIDONE(NMP)

        Chemical Name:N-methyl-2-pyrrolidone

         
        • 872-50-4

          CAS No.

        • Molecular Formula

        • 99.13

          Molecular Weight

         
        Structural Formula:
         

        Specification:GB/T27563-2011

        Item Technical Specifications
        Premium Quality Standard Quality
        APHA ≤10 ≤20
        Contents ≥99.90% ≥99.50%
        Moisture ≤0.01% ≤0.03%
        Crystallization Point (℃) -24 ~-25
        PH (1ml/10ml aqueous solution) 7-10

        sage: Widely used  in high level lubricant  refining, to  synthesize polymer,  insulating material,  pesticide, dyes,  and
        detergent,  etc. And can  also be used  as the absorbent  for  acetylene and  senior alkynes  during the  production  of acetylene using natural gas.

        Packing: in galvanized drums of 200 KG; or per customers’ requirements.

        包裝: 200kg鍍鋅桶包裝;也可按照客戶要求進行包裝。


        ?
        衡阳市| 芦山县| 岳阳市| 溆浦县| 河曲县| 屏东市| 垫江县| 许昌市| 扶绥县| 南澳县| 高台县| 灯塔市| 宜宾市| 明溪县| 金寨县| 富平县| 常宁市| 广水市| 桑日县| 百色市| 怀仁县| 隆子县| 临汾市| 台北市| 金平| 麻阳| 锦州市| 永宁县| 仪陇县| 山丹县| 涿州市| 岑巩县| 东兰县| 贡山| 古交市| 祁阳县| 台南市| 开平市| 无棣县| 沂水县| 澄城县|