Description

Phthalic Acid Disodium Salt is a versatile organic salt widely utilized in industrial synthesis and analytical chemistry. Its primary value lies in its role as a key intermediate and buffering agent, offering consistent performance and high purity for demanding applications. This product is essential for manufacturers and R&D laboratories in the pharmaceutical, chemical, and specialty materials sectors seeking reliable raw materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Chemical Synthesis: Serves as a precursor or catalyst in various organic reactions and polymer production.
• Analytical Reagent: Employed as a standard or buffer component in laboratory analysis and quality control procedures.
• Electroplating & Metal Treatment: Functions as a component in plating baths and surface treatment formulations.
• Research & Development: A valuable compound for academic and industrial research in material science and chemistry.
• Specialty Chemicals: Incorporated into formulations for dyes, pigments, and other performance chemicals.

Basic Information

Item	Detail
Product Name	Phthalic Acid Disodium Salt
CAS No.	827-27-0
Molecular Formula	C8H4Na2O4
Molecular Weight	210.09 g/mol
Synonyms	Disodium Phthalate; Sodium Phthalate; Phthalic Acid Sodium Salt; 1,2-Benzenedicarboxylic Acid Disodium Salt; Disodium 1,2-Benzenedicarboxylate; Disodium o-Phthalate; Phthalate Disodium; o-Phthalic Acid Disodium Salt
EINECS	212-579-9

Quality Control

Our Phthalic Acid Disodium Salt is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identification, and impurity profiling. Certificates of Analysis (COA) documenting full specifications are available upon request to support your quality assurance protocols.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and handling.

Specification

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

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