无码囯产精品久久一区免费_精品久久久久久久久久久aⅴ_国产日韩精品v一区二区_精人妻无码一区二区三区

  • <big id="cgs4y"></big>

  • ABOUT US PRODUCTS NEWS CENTER CULTURE CONTACT US 中文版

       Paraformaldehyde 

      Paraformaldehyde

      Imported Paraformaldehyde  Shandong general agency Paraformaldehyde Professional sales of Paraformaldehyde Wholesale of Paraformaldehyde

      93-96% Imported/Domestic 25kg/bag
      CAS No.: 30525-89-4
      Alias: Polyoxymethylene; ethyl methyl ether
      Molecular formula: (CH2O)n
      Appearance and properties: Low molecular weight white crystalline powder, with the smell of formaldehyde
      Molecular weight: (30)n
      Vapor pressure: 0.19kPa/25οC Flash point: 70οC
      Melting point: 120~170οC
      Solubility: Insoluble in ethanol, slightly soluble in cold water, soluble in diluted acid and alkali.
      Relative density (water=1): 1.39; Relative density (Air=1): 1.03 Stability: Stable
        Use: Paraformaldehyde is mainly used in the production and use of herbicide. Also used to make synthetic resin (such as artificial horn product or artificial ivory) and adhesive. Paraformaldehyde is also used in pharmaceutical industry (contraceptive cream active ingredient), the disinfection of pharmacy, clothing and bedding, and as fumigant, fungicide and insecticide.


      Copyright(C)2019 , Jinan Shijitongda Chemical Co.,Ltd. All Rights Reserved.  Supported by  ChemNet  ChinaChemNet Toocle Copyright Notice
      合川市| 手游| 洛南县| 红原县| 壤塘县| 石柱| 鹰潭市| 丰原市| 万山特区| 南丹县| 邵阳市| 井陉县| 兴业县| 城固县| 揭西县| 龙口市| 江达县| 临西县| 彝良县| 遂平县| 新河县| 兰坪| 萨迦县| 汤原县| 友谊县| 夏邑县| 清远市| 涪陵区| 门头沟区| 博湖县| 田阳县| 科尔| 天水市| 宿迁市| 锦屏县| 绥中县| 南充市| 乌兰浩特市| 景德镇市| 盐边县| 南安市|