Product: 2-(Diphenylphosphino)benzoic Acid

CAS No.: 17261-28-8

Molecular Formula: C₁₉H₁₅O₂P

Molecular Weight: 306.30 g/mol

Chemical Structure:

Quality Inspection Report (QC)

Parameter	Specification	Test Result	Method
Appearance	Off-white to pale yellow powder	Complies	Visual
Purity (HPLC)	≥ 95.0%	96.2%	HPLC (UV detection)
Melting Point	160 – 165°C	162°C	DSC
Loss on Drying	≤ 1.0%	0.7%	Gravimetric (105°C)
Residual Solvents	≤ 0.5% (total)	0.3%	GC-MS

Conclusion: The product meets the required quality standards.

Solubility: Soluble in DMF, DMSO; partially soluble in methanol

Stability: Air-sensitive; store under inert gas (N₂/Ar)

Applications: Chelating ligand in catalysis, coordination chemistry

Storage: Store at 2-8°C in a tightly sealed container under inert atmosphere

2-(Diphenylphosphino)benzoic acid CAS 17261-28-8