Chemical properties of white, white or yellowish white crystals, no odor or slightly special odor.Soluble in water, slightly soluble in ethanol, insoluble in chloroform.Dilute solution is colorless or yellowish, grayish yellow when the concentration is higher, dark yellow or brown when metamorphic.The melting point of 162 ~ 163 ℃ (decomposition).[alpha] D20 + 56 ° ~ 64 ° (10 mg of this product is soluble in water on Iml) : [alpha] D20 > + 55 ° plus or minus 2 ° (C = 0.8, water).

The third generation of broad-spectrum cephalosporin antibiotics have strong bactericidal effect on gram-negative bacteria and positive bacteria, especially on gram-negative bacteria.It is clinically used for respiratory tract infection, urinary tract infection, biliary tract and intestinal tract infection, skin and soft tissue infection, sepsis, burns and bone and joint infection caused by sensitive bacteria.