久久婷婷国产综合精品,久久久久久久性潮,换脸国产av一区二区三区,韩国精品一区二区三区无码视频 ,久久久久成人精品无码

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:

Contact Us

PharmaSources@imsinoexpo.com

Tel: (+86) 400 610 1188

WhatsApp/Telegram/Wechat: +86 13621645194
+86 15021993094

PharmaSources Customer Service