Description

Diphosphoric Acid Trihydrogen Ammonium Salt is an inorganic ammonium phosphate salt with significant industrial utility. This compound is valued for its role as a source of both ammonium and phosphate ions in specialized chemical synthesis and material processing. It is primarily sought by manufacturers in the chemical, agricultural, and specialty materials sectors for applications requiring controlled phosphorus and nitrogen content.

Application

• As a precursor or intermediate in the synthesis of complex phosphate salts and ceramics.
• In the formulation of specialty fertilizers and nutrient solutions for controlled-release agriculture.
• As a flame retardant synergist in polymer and textile treatments.
• For use in metal surface treatment and corrosion inhibition formulations.
• In laboratory research and analytical chemistry as a reagent.
• Potential use in the production of catalysts and ion-exchange materials.
• As a buffering agent in specific industrial chemical processes.

Basic Information

Product Name	Diphosphoric Acid Trihydrogen Ammonium Salt
CAS No.	27796-66-3
Molecular Formula	H6N3O7P2
Molecular Weight	203.03 g/mol
Synonyms	Triammonium Dihydrogen Diphosphate; Ammonium Dihydrogen Diphosphate; Triammonium Pyrophosphate (dibasic); Diphosphoric Acid, Triammonium Salt; APP (Ammonium Polyphosphate) precursor; NH4H2P2O7; Trihydrogen Ammonium Diphosphate
EINECS	Contact for details

Quality Control

Our Diphosphoric Acid Trihydrogen Ammonium Salt is produced and tested under a rigorous quality management system. Each batch is analyzed to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your technical requirements.

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) and must be kept in a dry environment to prevent caking or decomposition. Keep away from incompatible materials such as strong acids and bases.

Specification

Item	Specification
Appearance	White crystalline powder or granules
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0%
pH (5% solution)	3.5 - 5.5
Loss on Drying	≤ 2.0%
Water Insoluble Matter	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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