Description

Disodium 5-Methylisophthalate is the disodium salt derivative of 5-methylisophthalic acid, a key organic intermediate with high chemical purity and consistent performance. This compound is valued for its role as a versatile building block in advanced organic synthesis, enabling the production of complex molecules with precise structural control. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for research, development, and commercial-scale production.

Application

• Pharmaceutical intermediate for the synthesis of active pharmaceutical ingredients (APIs).
• Key monomer or co-monomer in the production of high-performance polyesters and liquid crystal polymers (LCPs).
• Building block for advanced organic materials, including metal-organic frameworks (MOFs).
• Intermediate in the synthesis of agrochemicals, such as herbicides and fungicides.
• Precursor for dyes, pigments, and specialty fine chemicals.
• Research and development reagent in academic and industrial laboratories.

Basic Information

Product Name	Disodium 5-Methylisophthalate
CAS No.	50977-75-8
Molecular Formula	C9H6Na2O4
Molecular Weight	224.12 g/mol
Synonyms	5-Methylisophthalic Acid Disodium Salt; Disodium 5-Methylbenzene-1,3-dicarboxylate; Disodium 5-Methyl-1,3-benzenedicarboxylate; Sodium 5-Methylisophthalate; 1,3-Benzenedicarboxylic acid, 5-methyl-, disodium salt; 5-Methylisophthalic Acid Sodium Salt
EINECS	Contact for details

Quality Control

Our Disodium 5-Methylisophthalate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets the highest standards of purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, identity, and impurity profiles. We are committed to supply chain transparency and regulatory compliance for global markets.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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