
Hosea Chem® has been supplying P-Toluene Sulfonic acid (CAS 6192-52-5) with high quality and competitive price for many years, covering most of the European, American, middle east, etc.
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Tetrabromophthalic Anhydride (TBPA), CAS 632-79-1, is a brominated aromatic anhydride used in flame-retardant chemistry and specialty chemical manufacturing.
TBBPA Carbonate Oligomer BC-58 is a brominated polymeric flame retardant used in selected plastics and polymer formulations. Confirm the commercial grade, technical specifications and regulatory suitability before use.