Phthalic anhydride (PA) is an important basic organic chemical raw material, usually appearing as white flakes or needle-shaped crystals, and possessing high reactivity.
Dimethyl carbonate (DMC) is a colorless, transparent, low-toxicity organic carbonate compound with a slight odor, and is widely considered to be an environmentally friendly chemical raw material.
Butyl acetate (CAS 123-86-4) is a commonly used transparent flammable liquid solvent with moderate evaporation rate, good solubility, and a typical fruity aroma.
Trimethylchlorosilane is an important organosilicon intermediate with high reactivity, commonly used in silane modification and surface treatment. It has widespread applications in the organosilicon and fine chemical industries.
