Cov lus piav qhia luv luv:


  • Siv FOB Nqe:
    Tau hais tau
    Nyhav ib toos
  • Chaw nres nkoj:Phiaj suav
  • Cov ntsiab lus them nqi:L / C, T / T, Western Union
  • Khoom Qhia Qhia

    Khoom Ntawv

    Khoom npe:Cov kua qaub acidic

    Molecular hom:C7h6o3

    Cas:69-72-7

    Khoom molecular qauv:

     

     

    Tshuaj Tshuaj Muaj Zog:

    Cov kua qaub acidic,Lub koob hmoov dawb-xws li muaju lossis monoclinic prismatic muaju, nrog pungent tsw. Flammable. Tsawg toxicity. Ruaj khov nyob rau hauv huab cua, tab sis maj mam hloov xim thaum raug rau lub teeb. Melting point 159 ℃. Txheeb ze ntom ntom 1.443. Hnhauam taw tes 211 ℃. Sublimation ntawm 76 ℃. Soluble me ntsis hauv dej, soluble hauv acetone, turpentine, ethanol, ether, benzene thiab chloroform. Nws cov kua aqueous yog acidic tshuaj.

    Cov kua qaub acidic 

     

    Daim Ntawv Thov:

    Cov tawv nqaij tawv, cov roj av, cov tshuaj txhuam hniav, tshuaj ntxhua khaub ncaws, tshuaj ntxhua khaub ncaws, cov tshuaj txhuam hniav, beriberi, fungicidal tus kab mob, kab mob autoUmune


  • Yav dhau los:
  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa mus rau peb