996热re视频精品视频这里,国产又色又爽又高潮免费,精品自拍亚洲一区在线,久久久综合九色合综,国产精品亚洲综合一区在线观看

Basic Info
  • Grade: pharmaceutical grade

    Factory Location: china

    Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Eastern Europe,Australasia,Asia,Middle East,Africa

  • Packaging Information: 1kg/bag

  • Sample Provided: no

    Payment Terms: Bank transfer

    It is used in the production of plastics, rubber, resins, pharmaceuticals, etc. and the preparation of amides. Valeric anhydride can be oxidized with hydrogen peroxide to obtain glutaric acid. 420ml of distilled water and 221.7g of 30% hydrogen peroxide stirred and mixed, and then added 342g of glutaric anhydride, Chemicalbook stirred vigorously, maintained at 15 °C reaction, added 7.6g of hydrogen peroxide to continue to keep warm for 1 hour, stood for 24h, filtered out crystals, washed with water and dried with infrared lamp to obtain white powder peroxidized to diacid, melting point 89-90 °C (90 °C began to decompose).
Send your message to this supplier
  • From:
  • To:
    Chongqing Xingcan Pharmaceutical Technology Co., Ltd
  • Send a Copy to this Email
  • Message:
    Upload Images / Files
    -?Supports?jpg,?jpeg,?png,
    ?gif,?pdf,?doc,?docx,
    ?xls,?xlsx,?txt,?rar?and?zip
    -?Max?upload?3?files;
    ?Max??total?size:?3MB
    (0/3)

    Enter between 20 to 4,000 characters.This is not what you are looking for ? Post a Sourcing Request Now

  • Verification:
PharmaSources Customer Service