Description

3,3'-(4-Hydroxy-1,3-Phenylene)Bis[3-(4-Hydroxyphenyl)Isobenzofuran-1(3H)-One] is a high-purity, complex organic compound belonging to the class of bis(isobenzofuranone) derivatives. This specialty chemical is valued for its unique molecular structure, which provides specific functional properties critical for advanced material synthesis. It is primarily sought by R&D and production teams in the pharmaceutical intermediates, polymer chemistry, and specialty dye sectors for developing novel products with enhanced performance characteristics.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of complex active pharmaceutical ingredients (APIs) and novel drug candidates.
• Polymer Additive & Modifier: Used to impart specific optical, thermal, or mechanical properties to high-performance engineering plastics and resins.
• Specialty Dye & Pigment Precursor: Acts as an intermediate in the manufacture of advanced colorants for niche applications requiring high stability.
• Organic Electronic Materials: Investigated for use in the development of organic light-emitting diodes (OLEDs) and other electronic components due to its conjugated structure.
• Cross-linking Agent: Utilized in formulations for coatings, adhesives, or composites where its bifunctional nature can enhance network formation.
• Research & Development: Employed in academic and industrial laboratories for chemical research, process development, and analytical standard preparation.

Basic Information

Item	Details
Product Name	3,3'-(4-Hydroxy-1,3-Phenylene)Bis[3-(4-Hydroxyphenyl)Isobenzofuran-1(3H)-One]
CAS No.	55517-70-9
Molecular Formula	C38H24O8
Molecular Weight	608.59 g/mol
Synonyms	1,3-Bis[3-(4-hydroxyphenyl)-1-oxoisobenzofuran-3-yl]-5-hydroxybenzene; Bis(3-(4-hydroxyphenyl)phthalidyl) Resorcinol; 3,3'-(5-Hydroxy-1,3-phenylene)bis(3-(4-hydroxyphenyl)isobenzofuran-1(3H)-one); 3,3'-(4-Hydroxy-m-phenylene)bis[3-(p-hydroxyphenyl)phthalide]; Phthalide derivative 55517-70-9
EINECS	Contact for details

Quality Control

Our production of 3,3'-(4-Hydroxy-1,3-Phenylene)Bis[3-(4-Hydroxyphenyl)Isobenzofuran-1(3H)-One] adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity, identity confirmation via IR and NMR, and control of specified impurities. Certificates of Analysis (COA) detailing all test results are provided to ensure full traceability and compliance with your research or cGMP requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its light-sensitive nature and propensity for oxidation, it is recommended to store the material under an inert atmosphere for long-term stability. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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