Description

3',6'-Dihydroxyspiro[Isobenzofuran-1(3H),9'-[9H]Thioxanthene]-3-One is a high-purity, specialized organic compound belonging to the spirocyclic and thioxanthene chemical families. This compound is valued for its unique molecular architecture, which imparts specific photophysical and chemical properties critical for advanced research and development. It is primarily sought by manufacturers and R&D laboratories in the pharmaceutical intermediates, functional dye, and advanced material science sectors. Our supply is characterized by stringent quality control, ensuring batch-to-batch consistency for demanding industrial applications.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds with spirocyclic or thioxanthene cores.
• Functional Dye Precursor: Used in the research and development of specialized dyes, pigments, and fluorescent markers due to its conjugated structure.
• Material Science Research: Investigated for use in organic electronics, including as a component in organic light-emitting diodes (OLEDs) or photoconductive materials.
• Chemical Synthesis: Acts as a versatile intermediate in organic synthesis for constructing complex heterocyclic and polycyclic frameworks.
• Analytical Chemistry: May be employed as a standard or reagent in chromatographic methods and spectroscopic studies.
• Photocatalyst & Photoinitiator Research: Explored for applications in photopolymerization and catalytic processes under light exposure.

Basic Information

Product Name	3',6'-Dihydroxyspiro[Isobenzofuran-1(3H),9'-[9H]Thioxanthene]-3-One
CAS No.	94109-78-1
Molecular Formula	C20H12O4S
Molecular Weight	348.37 g/mol
Synonyms	Spiro[isobenzofuran-1(3H),9'-[9H]thioxanthene]-3-one, 3',6'-dihydroxy-; 3',6'-Dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]thioxanthen]-3-one; Dihydroxyspirothioxantheneone; Thioxanthene spiro compound; CAS 94109-78-1
EINECS	Contact for details

Quality Control

Every batch of 3',6'-Dihydroxyspiro[Isobenzofuran-1(3H),9'-[9H]Thioxanthene]-3-One is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards, and our quality protocols include comprehensive analytical characterization. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming identity, purity, and other critical specifications.

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 incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
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.