Description

3-o-Tolyl-3H-Isobenzofuran-1-One is a specialized organic compound belonging to the isobenzofuranone class, serving as a versatile chemical intermediate. Its molecular structure makes it a valuable building block for synthesizing more complex molecules in advanced research and development. This product is primarily targeted at the pharmaceutical and agrochemical industries, where it is used in the creation of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
• Material Science Research: Acts as a monomer or building block for developing advanced polymers and functional organic materials.
• Organic Synthesis: Employed in academic and industrial laboratories for constructing complex heterocyclic compounds.
• Dye and Pigment Intermediate: Serves in the synthesis of specialized colorants and photochromic materials.

Basic Information

Item	Detail
Product Name	3-o-Tolyl-3H-Isobenzofuran-1-One
CAS No.	90445-44-6
Molecular Formula	C15H12O2
Molecular Weight	224.26 g/mol
Synonyms	3-(2-Methylphenyl)-1(3H)-isobenzofuranone; 3-(o-Tolyl)phthalide; 3-(2-Methylphenyl)phthalide; 3-o-Tolylphthalide; 2-(2-Methylbenzoyl)benzoic acid lactone; 3-(2-Methylphenyl)-3H-isobenzofuran-1-one; 3-(2-Methylphenyl)-1H-isobenzofuran-1-one; 90445-44-6
EINECS	Contact for details

Quality Control

Our 3-o-Tolyl-3H-Isobenzofuran-1-One is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications and test results are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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