Description

Diammonium Phthalate is the ammonium salt of phthalic acid, a key intermediate and specialty chemical with significant industrial utility. Its primary value lies in its role as a precursor in organic synthesis and as a controlled-release source of ammonia in various chemical processes. This compound is essential for manufacturers and R&D facilities in the chemical, polymer, and analytical reagent sectors seeking reliable, high-purity raw materials.

Application

• Chemical Synthesis Intermediate: Acts as a crucial precursor in the production of phthalimide derivatives, dyes, and other complex organic molecules.
• Polymer Industry: Utilized as a monomer or additive in the synthesis of specialized polyimides and other high-performance polymers.
• Analytical Chemistry: Serves as a standard or reagent in chromatographic analysis and other laboratory procedures.
• Ammonia Source: Provides a stable, solid-form source of ammonia for reactions requiring controlled pH adjustment or ammoniation.
• Corrosion Inhibition: Investigated for use in formulation of protective coatings and corrosion inhibitors for metal surfaces.
• Research & Development: Employed in academic and industrial R&D for exploring new synthetic pathways and material properties.

Basic Information

Product Name	Diammonium Phthalate
CAS No.	523-24-0
Molecular Formula	C8H12N2O4
Molecular Weight	200.19 g/mol
Synonyms	Ammonium Phthalate; Diammonium Benzene-1,2-dicarboxylate; Phthalic Acid Diammonium Salt; 1,2-Benzenedicarboxylic Acid Diammonium Salt; Diammonium 1,2-Benzenedicarboxylate; Diammonium O-Phthalate; Ammonium Hydrogen Phthalate (Note: often used interchangeably, but technically distinct); Phthalic Acid, Diammonium Salt
EINECS	208-341-5

Quality Control

Our Diammonium Phthalate is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. We adhere to relevant industry standards, and our quality assurance includes comprehensive testing for identity, assay, and impurity profiles. A Certificate of Analysis (COA) detailing specific results is provided with each shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking or decomposition. Keep away from incompatible materials such as strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%
pH (5% solution)	6.5 - 8.5

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