Description

5-Hydroxy-Homophthalic Acid is a multifunctional aromatic dicarboxylic acid derivative, serving as a key synthetic intermediate in advanced organic chemistry. Its unique structure, featuring both phenolic and carboxylic acid functionalities, makes it a versatile building block for constructing complex molecular architectures. This compound is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with fused heterocyclic or polycyclic structures.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators, leveraging its aromatic backbone for bioactive molecule design.
• Ligand and Catalyst Development: Serves as a starting material for creating chelating ligands used in homogeneous catalysis and metal-organic frameworks (MOFs).
• Polymer Chemistry: Acts as a monomer or cross-linking agent for producing specialty polyesters, polyamides, and epoxy resins with enhanced thermal or mechanical properties.
• Dye and Pigment Manufacturing: Employed in the synthesis of complex organic dyes and pigments, where its hydroxyl and carboxyl groups allow for color tuning and improved substrate bonding.
• Academic and R&D: A valuable reagent in organic synthesis research for exploring new reaction pathways and constructing complex natural product analogs.

Basic Information

Product Name	5-Hydroxy-Homophthalic Acid
CAS No.	67755-25-3
Molecular Formula	C9H8O5
Molecular Weight	196.16 g/mol
Synonyms	5-Hydroxyhomophthalic Acid; 2-(Carboxymethyl)-4-hydroxybenzoic Acid; 4-Hydroxyhomophthalic Acid; 5-Hydroxy-1,3-benzenediacetic Acid; Homophthalic Acid, 5-hydroxy-; 5-Hydroxybenzene-1,3-diacetic Acid; 2,4-Dicarboxymethylphenol
EINECS	Contact for details

Quality Control

Our 5-Hydroxy-Homophthalic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity determination and spectroscopic methods for structural confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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