亚洲一本大道综合网|国产毛片一区二区视频|精品综合久久久久久98|亚洲最大国产成人综合网站|精品人妻大白屁股白浆优播|精品一区二区在线观看国产|亚洲欧美中文日韩v在线观看|囯产精品久久永久免费无码网站

<center id="syrwm"><meter id="syrwm"></meter></center>
  • 
    

        • <rp id="syrwm"></rp>

        • <i id="syrwm"><tr id="syrwm"></tr></i>

          <form id="syrwm"></form>
          0102
          02 / 04
          2-Thiophenecarboxaldehyde

          2-Thiophenecarboxaldehyde

          Product name: 2-Thiophenecarboxaldehyde

          Alias: 2-Thiophenecarboxaldehyde

          Thenaldehyde; 2-Thiophenaldehyde ;Thiophene-2-carbaldehyde

          CAS: 98-03-3

          MDL: MFCD00005429

          Molecular formula: C5H4OS

          Molecular weight: 112.15

          SMILES: O=Cc1cccs1

          EINECS: 202-629-8

          Properties:

          Melting point<10°C

          Boiling point: 198 °C(lit.)

          Density 1.2 g/mL at 25 °C(lit.)

          Refractive index n20/D 1.591(lit.)

          172 °F

          Storage condition 2-8°C

          form liquid (clear)

          color clear yellow

          Water solubility insoluble

          Air Sensitive

          BRN 105819

          Dangerous Properties:

          Dangerous goods mark Xn, Xi

          Hazard category code 22-36/37/38-43

          Safety instructions 36/37/39-37-24-36-26

          Dangerous goods transport number UN 2810

          WGK Germany 3

          RTECS number XM8135000

          F 9

          Hazard Note Irritant

          Customs code 29349990

          Uses: Used to introduce thiophene groups into organic compounds, for example, to introduce thiophene groups into dimethyltetrahydropyrimidine. The obtained product forms a salt with pamoic acid to obtain a broad-spectrum insect repellent pyrantel.

          Storage: Sensitive to air, sealed and refrigerated with nitrogen.





          宁明县| 汉寿县| 红河县| 屯留县| 临沭县| 岳池县| 安仁县| 合阳县| 定襄县| 东乡县| 江北区| 沙洋县| 兴文县| 象山县| 方正县| 旅游| 汉沽区| 石阡县| 嫩江县| 于田县| 亚东县| 河西区| 乌海市| 紫金县| 双辽市| 永顺县| 荃湾区| 琼中| 昌平区| 米林县| 德州市| 贵定县| 维西| 汉源县| 南乐县| 邢台县| 峨眉山市| 平顺县| 万全县| 奇台县| 肥乡县|