Trimethoprim 738-70-5

Short Description:

Trimethoprim 738-70-5

  • Product name : Trimethoprim
  • CAS: 738-70-5
  • MF: C14H18N4O3
  • MW: 290.32
  • EINECS: 212-006-2
  • Character: manufacturer
  • Package: 1 kg/kg or 25 kg/drum
  • Product Detail

    Product Tags


    Product Name: Trimethoprim
    CAS: 738-70-5
    MF: C14H18N4O3
    MW: 290.32
    EINECS: 212-006-2
    Melting point: 199-203 °C
    Boiling point: 432.41°C (rough estimate)
    Density: 1.1648 (rough estimate)
    Refractive index: 1.6000 (estimate)
    Storage temp: 2-8°C
    Solubility DMSO: soluble
    Pka: 6.6(at 25℃)
    Form: white powder
    Color: colorless or white
    Water Solubility: <0.1 g/100 mL at 24 ºC
    Merck: 14,9709
    BRN: 625127


    Product Name Trimethoprim
    Appearance White powder
    Purity 98.5%-101.0%(BP);99.0-101.0%(CP) 
    Loss on drying ≤1.0%(BP);≤0.5%(USP、CP)
    Related substances  ≤0.2%


    Antibacterial drugs, the scope of antibacterial is similar to sulfa drugs, combined with sulfa drugs or antibiotics, can greatly improve the efficacy of drugs.
    Used in the production of compound trimethoprim, compound cephalexin trimethoprim, Zengxiaoliansu tablets, compound artemisinin tablets


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    Store in cold and dry conditions, in a ventilated area away from heating and incompatible materials, sealed and stored


    Stable. Incompatible with strong oxidizing agents, acids.

    Description of necessary first aid measures

    If inhaled, move the patient to fresh air. If you stop breathing, give artificial respiration.
    skin contact
    Rinse with soap and plenty of water.
    eye contact
    Flush eyes with water as a preventive measure.
    Never feed anything from the mouth to an unconscious person. Rinse your mouth with water.

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