Purified Isophthalic Acid (PIA) Cas: 121-91-5 Isophthalic Acid is an organic compound with the molecular formula C8H6O4. It’s a colourless solid and it’s an isomer of phthalic acid and terephthalic acid. Isophthalic Acid Chemical Structure Composition. Production It is produced by oxidizing meta-xylene using oxygen. The process employs a cobalt-manganese catalyst. Purified Isophthalic acid is a colorless crystalline […]
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Toluene Diisocyanate TDI
Toluene Diisocyanate (TDI) CAS:584-84-9 Toluene Diisocyanate is produced by a 3 step reaction. The first step is the nitration of toluene to obtain dinitrotoluene. Second step is the catalytic hydrogenation of Dinitrotoluene into toluene diamine TDA. Finally, the TDA react with phosgene to produce the TDI. TDI is commonly sold under 3 different ratio isomeric […]