Description

4-Acetoxyisophthalic Acid is a high-purity aromatic dicarboxylic acid derivative, distinguished by its acetoxy functional group. This compound is a critical advanced pharmaceutical intermediate and a versatile building block in organic synthesis, valued for its ability to introduce specific functional handles into complex molecular architectures. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for developing novel active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of complex drug molecules, particularly in oncology and anti-inflammatory research.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Serves as a monomer or co-monomer for producing specialty polyesters, polyamides, and liquid crystal polymers (LCPs) with enhanced thermal and mechanical properties.
• Organic Synthesis Reagent: A versatile precursor for creating other functionalized isophthalic acid derivatives through hydrolysis, esterification, or amidation reactions.
• Material Science Research: Employed in R&D for developing novel metal-organic frameworks (MOFs) and other functional organic materials.
• Dye and Pigment Intermediate: Used in the synthesis of high-value, color-fast organic dyes and pigments.

Basic Information

Product Name	4-Acetoxyisophthalic Acid
CAS No.	5985-26-2
Molecular Formula	C10H8O6
Molecular Weight	224.17 g/mol
Synonyms	4-(Acetyloxy)isophthalic Acid; 5-Carboxy-2-hydroxybenzoic Acid Acetate; Isophthalic Acid, 4-acetoxy-; 1,3-Benzenedicarboxylic acid, 4-(acetyloxy)-; 4-Acetoxybenzene-1,3-dicarboxylic Acid; Acetic acid 5-carboxy-2-hydroxy-phenyl ester
EINECS	Contact for details

Quality Control

Our 4-Acetoxyisophthalic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets the high standards required for pharmaceutical and advanced synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality commitment ensures batch-to-batch consistency and supply reliability for your critical processes.

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). Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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