Description

3-Phenylphthalide is a versatile organic compound belonging to the phthalide class, serving as a valuable synthetic intermediate and building block in advanced chemical synthesis. Its unique fused-ring structure makes it a critical precursor for developing complex molecules, including pharmaceuticals, agrochemicals, and functional materials. This compound is essential for researchers and manufacturers in the fine chemical, pharmaceutical, and material science industries seeking to create novel compounds with specific properties.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and potential drug candidates.
• Agrochemical Synthesis: Used in the research and development of novel pesticides, herbicides, and plant growth regulators.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor for electron-transport materials or host materials in OLED device fabrication.
• Ligand and Catalyst Development: Serves as a scaffold for creating specialized ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Dye and Pigment Manufacturing: Intermediate in the production of specialized dyes, pigments, and optical brighteners.
• Polymer Chemistry: Monomer or additive for synthesizing polymers with enhanced thermal stability or specific optical properties.
• Academic and Industrial R&D: A fundamental reagent for methodological studies in organic synthesis and material science research.

Basic Information

Product Name	3-Phenylphthalide
CAS No.	5398-11-8
Molecular Formula	C14H10O2
Molecular Weight	210.23 g/mol
Synonyms	3-Phenyl-1(3H)-isobenzofuranone; 3-Phenylphthalide; 1(3H)-Isobenzofuranone, 3-phenyl-; 3-Phenyl-1,3-dihydro-2-benzofuran-1-one; NSC 406106; Phthalide, 3-phenyl-; 3-Phenyl-2-benzofuran-1(3H)-one; 3-Phenylisobenzofuran-1(3H)-one
EINECS	226-404-8

Quality Control

Our 3-Phenylphthalide is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, and is supplied with a detailed Certificate of Analysis (COA) documenting all specifications. We are committed to meeting the rigorous standards required for research and industrial-scale applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	118 - 122 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.