Description

4-Acetoxyisophthalic Acid Dimethyl Ester is a high-purity organic intermediate characterized by its diester and acetoxy functional groups. This compound is valued for its role as a versatile building block in advanced organic synthesis, enabling the creation of complex molecular architectures. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical and specialty chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), particularly those requiring a functionalized isophthalate core.
• Polymer Chemistry: Serves as a monomer or co-monomer for producing specialty polyesters and polyamides with tailored thermal or mechanical properties.
• Liquid Crystal & OLED Materials: Used in the research and development of advanced organic electronic materials, where its rigid aromatic structure and ester groups are beneficial.
• Agrochemical Synthesis: Employed as a building block for creating novel herbicides, fungicides, and plant growth regulators.
• Dye & Pigment Manufacturing: Acts as an intermediate in the production of high-performance dyes and organic pigments.
• Cross-coupling Reactions: The ester groups can be hydrolyzed or transesterified, and the aromatic ring can participate in various catalytic coupling reactions for fine chemical synthesis.
• Academic & Industrial R&D: Used in chemical research for method development and exploring new synthetic pathways.

Basic Information

Product Name	4-Acetoxyisophthalic Acid Dimethyl Ester
CAS No.	71932-29-1
Molecular Formula	C13H14O7
Molecular Weight	282.25 g/mol
Synonyms	Dimethyl 4-Acetoxyisophthalate; 1,3-Benzenedicarboxylic acid, 4-(acetyloxy)-, 1,3-dimethyl ester; Isophthalic acid, 4-acetoxy-, dimethyl ester; 4-(Acetyloxy)isophthalic Acid Dimethyl Ester; Acetic acid 4-methoxycarbonyl-3-methoxycarbonylphenyl ester
EINECS	Contact for details

Quality Control

Our 4-Acetoxyisophthalic Acid Dimethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for every shipment. We adhere to cGMP principles where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed in a dry environment to minimize moisture exposure.

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	≤ 10 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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