Description

Mono-Methyl Isophthalate is a key organic intermediate and diester derivative of isophthalic acid. This compound matters for its role as a versatile building block in the synthesis of high-performance polymers, plasticizers, and specialty chemicals. Industries such as polymer manufacturing, coatings, and advanced material research need it for developing products with enhanced thermal stability and mechanical properties.

Application

• Polymer Synthesis: A crucial monomer or intermediate in the production of polyesters, polyamides, and other condensation polymers.
• Plasticizer Production: Serves as a precursor for synthesizing specialized plasticizers used in PVC and other flexible plastics.
• Coating Resins: Used in formulating alkyd resins and other coating materials that require improved durability and chemical resistance.
• Pharmaceutical Intermediates: Acts as a building block in the multi-step synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Liquid Crystal Polymers (LCPs): A potential monomer for high-performance engineering plastics used in electronics and automotive applications.
• Adhesive Formulations: Incorporated into hot-melt and reactive adhesive systems to modify properties.
• Chemical Research: Employed in organic synthesis and material science research as a standardized reagent.

Basic Information

Product Name	Mono-Methyl Isophthalate
CAS No.	1877-71-0
Molecular Formula	C9H8O4
Molecular Weight	180.16 g/mol
Synonyms	Monomethyl isophthalate; Methyl hydrogen isophthalate; Isophthalic acid monomethyl ester; 3-(Methoxycarbonyl)benzoic acid; 3-Carbomethoxybenzoic acid; MMIP; Isophthalic Acid Methyl Ester (partial); Benzoic acid, 3-(methoxycarbonyl)-
EINECS	217-520-0

Quality Control

Our Mono-Methyl Isophthalate is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets the required specifications for purity, identity, and consistency. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition.

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%
Heavy Metals	≤ 10 ppm

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