Products Description of 2,4-Bis(phenylsulfonyl)phenol (DBSP) CAS#177325-75-6
2,4-Bis(phenylsulfonyl)phenol (DBSP; CAS No. 177325-75-6) is an organosulfur compound mainly used as a color developer or functional additive in thermal recording materials, including thermal paper. It is typically found as a white to off-white crystalline powder, with a melting point of approximately 153–158°C.
Key Physical & Chemical Properties
| Property | Specification |
|---|---|
| Chemical Formula | C₁₈H₁₄O₅S₂ |
| Appearance | White to off-white crystalline solid |
| Solubility | Soluble in organic solvents |
| Functional Groups | Phenol –OH + two phenylsulfonyl groups |
| Purity | ≥ 98% (typical) |
| Grades | Synthesis / fine-chemical grade |
Main Applications
Organic Synthesis: Intermediate for sulfone-functional compounds.
Polymer & Resins: Building block for sulfone-based and thermally stable polymers.
Pharmaceutical Intermediate: Scaffold in medicinal chemistry and analogue synthesis.
Fine Chemicals: Reagent and precursor for specialty chemicals.
