Description

1(3H)-Isobenzofuranone, 7-Hydroxy- is a specialized organic compound belonging to the isobenzofuranone class, characterized by a hydroxyl group at the 7-position. This functional group makes it a valuable intermediate and building block in advanced organic synthesis, particularly for creating complex molecules with specific optical or electronic properties. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel active pharmaceutical ingredients (APIs), especially those with fused heterocyclic structures.
• Agrochemical Synthesis: Used as a precursor in the manufacture of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a building block for dyes, pigments, and other specialty chemicals requiring precise molecular architecture.
• Material Science Research: Investigated for its potential in creating organic semiconductors, photoresists, and other functional polymeric materials.
• Academic & R&D: Employed in university and corporate laboratories for methodological studies in organic chemistry and catalysis.

Basic Information

Product Name	1(3H)-Isobenzofuranone, 7-Hydroxy-
CAS No.	3956-91-0
Molecular Formula	C8H6O3
Molecular Weight	150.13 g/mol
Synonyms	7-Hydroxyisobenzofuran-1(3H)-one; 7-Hydroxyphthalide; 7-Hydroxy-1(3H)-isobenzofuranone; 7-Hydroxy-3H-isobenzofuran-1-one; NSC 403697; 7-Hydroxy-1-oxo-1,3-dihydroisobenzofuran; 7-Hydroxy-1,3-dihydroisobenzofuran-1-one
EINECS	223-552-8

Quality Control

Our 1(3H)-Isobenzofuranone, 7-Hydroxy- is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, documenting all critical parameters. Our quality commitment ensures the material meets the high standards required for research and industrial synthesis.

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. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

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%
Heavy Metals	< 20 ppm

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