CAS Registry Number

CAS 106-42-3 — p-Xylene

**p-Xylene** is a colorless, aromatic hydrocarbon used primarily as a precursor in the production of terephthalic acid (for polyester fibers and PET plastics) and as a solvent. It’s also a key component in gasoline blending and organic synthesis. This chemical has a CAS number of 106-42-3, a molecular formula of C6H4-1,4-(CH3)2, and a molecular weight of 106.17 g/mol. It is stored at ambient conditions but carries a **Danger** signal word due to its flammability and potential health hazards. Molekula supplies p-xylene from research to bulk quantities with full documentation and ISO 9001:2015 traceability.