Basic Info
  • Grade: Pharmaceutical Grade

    Factory Location: Zhejiang

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

  • Sample Provided: no

    Product name:5-Nitro-2-furaldehydediacetate

    Description of properties: very light yellow crystalline powder.

    CAS: 92-55-7

    Molecular weight: 243.17 
    Molecular formula: C9H9NO7

    Content: ≥98.5% 
    Melting point: 89-93°C

    Standard: Enterprise Standard

    Production method:

    It is obtained by nitrification and esterification of furfural. Add acetic anhydride to the reaction pot, cool to -5 ° C, add 1/5 of the mixed acid (nitric acid and sulfuric acid), and then add a mixture of nitric acid and furfural (1:2 by volume) at the same time to control the temperature. After about 0 °C, about 5-6h is added, and a part of furfural is continuously added dropwise. Then, stirring for 1 h, adding water and sodium carbonate solution, heating to 55-62 ° C, and keeping warm for 1 h. Cool to 15 ° C, filter, wash with water, dry to obtain the finished product, the yield of 85%.

    Uses: Used as pharmaceutical intermediates, used in the manufacture of furan anti-infectives such as furazolidone, nitrofurazone, furadantin, nitrovin, nifuroxazide, veterinary raw materials, flavors, etc.

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    Quzhou Weirong Pharmaceutical & Chemical Co., Ltd
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