Description

4-Hydroxyisophthalaldehyde is a versatile aromatic dialdehyde compound with a reactive phenolic hydroxyl group. This unique bifunctional structure makes it a valuable key intermediate for synthesizing complex organic molecules, including ligands, pharmaceuticals, and advanced materials. It is particularly sought after by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for constructing heterocyclic compounds and functional polymers.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Ligand Synthesis: Used in the preparation of chelating ligands for catalysis and metal-organic frameworks (MOFs).
• Polymer Chemistry: Serves as a monomer or cross-linking agent for producing specialty resins and functional polymers.
• Agrochemical Development: Intermediate in the synthesis of novel herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Precursor for creating advanced colorants and optical materials.
• Academic and Industrial Research: Valuable reagent in organic synthesis for constructing complex molecular architectures.

Basic Information

Product Name	4-Hydroxyisophthalaldehyde
CAS No.	3328-70-9
Molecular Formula	C8H6O3
Molecular Weight	150.13 g/mol
Synonyms	4-Hydroxybenzene-1,3-dicarbaldehyde; 1,3-Benzenedicarboxaldehyde, 4-hydroxy-; 4-Hydroxy-1,3-benzenedicarboxaldehyde; 4-Hydroxy-m-phthalaldehyde; Isophthalaldehyde, 4-hydroxy-; 4-Hydroxyisophthalic aldehyde; 4-Hydroxybenzene-1,3-dialdehyde
EINECS	222-056-8

Quality Control

Our 4-Hydroxyisophthalaldehyde is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and FTIR, to ensure high purity and batch-to-batch consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting all critical quality attributes. Our quality commitment ensures the material is suitable for demanding research and scale-up applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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