... -n-butyl phosphate, Phosphoric acid tri-n-butyl esterAbbv:TBPMolecular Formula:C12H27O4PStructural Formula: Relative molecular weight: 266.32(1993)CAS No.: 126 ... :Chemical reagents, high boiling point solvents, valid for cellulose acetate, nitrocellulose, chlorinated rubber and PVC plasticizers, metals extraction agent, paint, ink ...