Description

1,3-Benzenedicarboxylic Acid, Disodium Salt is the disodium salt form of isophthalic acid, a key organic intermediate with excellent water solubility. This compound is valued for its role as a versatile chelating agent and buffering component in high-performance formulations. It is primarily utilized in industrial water treatment, detergent manufacturing, and as a specialty additive in polymer and photographic chemical processes.

Application

• Industrial Water Treatment: Acts as a scale and corrosion inhibitor in cooling and boiler water systems.
• Detergent & Cleaning Formulations: Serves as a builder and chelating agent to sequester metal ions and enhance cleaning efficiency.
• Polymer & Resin Production: Used as a monomer or additive in the synthesis of specialty polyesters and coatings.
• Photographic Chemicals: Functions as a buffering and sequestering agent in developer and fixer solutions.
• Chemical Synthesis: An important intermediate for producing dyes, pigments, and other fine chemicals.
• Laboratory Reagent: Employed in analytical chemistry and research as a standard or buffer component.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, Disodium Salt
CAS No.	10027-33-5
Molecular Formula	C8H4Na2O4
Molecular Weight	226.09 g/mol
Synonyms	Disodium Isophthalate; Isophthalic Acid Disodium Salt; Sodium Isophthalate; Benzene-1,3-dicarboxylic Acid Disodium Salt; 1,3-Benzenedicarboxylate Disodium Salt; IPA Disodium Salt; m-Phthalic Acid Disodium Salt
EINECS	233-056-5

Quality Control

Our 1,3-Benzenedicarboxylic Acid, Disodium Salt is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee consistent quality and traceability for your production needs.

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 material is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0%
pH (5% Solution)	7.0 - 9.0
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm

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