亚洲国线精品国偷产拍,久久大香伊蕉在人线免费AV,欧美日韩高清在线观看有码,一本一道久久a久久

    <legend id="faxvt"></legend>

      <td id="faxvt"></td>
      1. Keyword:
        Products:
        Product Name:thiourea
           Product details

        Open classification: chemical, chemical, chemical raw materials and chemical material physico-chemical constants 1. :

        Gb Numbers 61821

        CAS number 62-56-6

        Chinese name thiourea

        English name Thiourea; Thiocarbamide

        Don't name glucosinolate and urea

        Molecular formula CH4N2S; SC (NH2) 2 appearance and properties of white light bitter crystals

        Molecular weight 76.12 boiling point decomposition

        Melting point 176 ~ 178 ℃

        Solubility soluble in water, soluble in ethanol, ethyl 20 ℃ when in the water solubility for 137g/L

        Dense degrees relative density (water = 1) 1.41 stability stable

        Risk marker 15 (poison product) main use in organic synthesis, also used as medicine, rubber additives, gold-plated materials etc

        Copyright © 2010 Changzhou Gengyun Chemical Co., Ltd. All Rights Reserved.
        Technical Support:zw-group.com
        ICP:蘇ICP備05004812號(hào)

        Friendly Link:Packing machine series Changzhou granulating equipment Automatic code machine Aluminum continuous extrusion machine
        Hot Search:benzoyl chloride azobisisobutyronitrile benzyl chloride