Tribromobenzene CAS 626-39-1 is light yellow-brown powder, insoluble in water, soluble in hot ethanol and glacial acetic acid, melting point 124℃, boiling point 271℃.
4-Formylbenzoic acid CAS 619-66-9 is insoluble in water, soluble in DMF, and can undergo esterification and aldol condensation with alcohol. It is an important intermediate in organic synthesis, widely used in medicine, pesticides, coatings, liquid crystal raw materials, polymer materials and perfume raw materials.
2-Thiophenemethanol CAS 636-72-6 pale yellow clear liquid.
1,2,3-Trifluoro-4-nitrobenzene CAS 771-69-7 is mainly used in the synthesis of a new generation of fluoroquinolone antibacterial drug ofloxacin (ofloxacin). It can also be used to synthesize quinone acid antibacterial drugs such as lomefloxacin.
1-Bromo-2,4,5-trifluorobenzene CAS 327-52-6 Colorless transparent liquid. The melting point is -19°C, the boiling point is 144°C, the flash point is 55°C, the refractive index is 1.4860, and the specific gravity is 1.758.
2'-Fluoroacetophenone CAS 445-27-2 is colorless or slightly yellow, light green oily liquid or flaky crystal at room temperature, insoluble in water, soluble in most organic solvents such as ethanol and ether. It is flammable and releases irritating and toxic gases.