Description

1(3H)-Isobenzofuranone, 3-Hydroxy- is a specialized organic compound belonging to the class of isobenzofuranones. This chemical is valued as a versatile synthetic intermediate and building block in advanced organic synthesis, particularly for constructing complex heterocyclic structures. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of potential drug candidates, especially those with fused heterocyclic frameworks.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Fine Chemical Synthesis: Serves as a precursor for dyes, pigments, and advanced organic materials.
• Academic & Industrial R&D: Employed in methodological studies and as a starting material for novel chemical entity discovery.
• Polymer Chemistry: Potential monomer or modifier for specialty polymers with specific optical or thermal properties.

Basic Information

Product Name	1(3H)-Isobenzofuranone, 3-Hydroxy-
CAS No.	16859-59-9
Molecular Formula	C8H6O3
Molecular Weight	150.13 g/mol
Synonyms	3-Hydroxyphthalide; 3-Hydroxy-1(3H)-isobenzofuranone; 3-Hydroxyisobenzofuran-1-one; 3-Hydroxy-3H-isobenzofuran-1-one; NSC 403697; 3-Hydroxyphthalic anhydride (tautomer); 3-Hydroxy-1-oxoisobenzofuran
EINECS	240-876-7

Quality Control

Our 1(3H)-Isobenzofuranone, 3-Hydroxy- is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the high standards required for research and development applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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