Description

Tri-Ammonium Orthophosphate is an inorganic salt composed of ammonium cations and phosphate anions. This compound serves as a versatile source of both nitrogen and phosphorus, making it valuable in numerous industrial and agricultural processes. It is primarily utilized in sectors such as water treatment, agriculture, and as a chemical intermediate in the production of specialty phosphates.

Application

• Water Treatment: Acts as a corrosion inhibitor and scale control agent in boiler water and cooling tower systems.
• Fertilizer & Agriculture: Provides a dual nutrient source (N and P) in specialized fertilizer formulations and nutrient solutions.
• Flame Retardant: Used as a component in fire-retardant coatings and materials for textiles, wood, and plastics.
• Laboratory Reagent: Employed as a buffering agent and analytical standard in various chemical analyses.
• Food & Feed Additive: Functions as a nutrient supplement and pH regulator in specific food processing and animal feed applications (subject to grade and regulatory approval).
• Industrial Catalyst: Serves as a precursor or component in catalysts for certain chemical synthesis processes.

Basic Information

Product Name	Tri-Ammonium Orthophosphate
CAS No.	10124-31-9
Molecular Formula	(NH₄)₃PO₄
Molecular Weight	149.09 g/mol
Synonyms	Ammonium Phosphate Tribasic; Triammonium Phosphate; Ammonium Orthophosphate; Phosphoric Acid, Triammonium Salt; TAP; (NH4)3PO4
EINECS	233-793-9

Quality Control

Our Tri-Ammonium Orthophosphate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is available for every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption and caking. Recommended storage temperature is between 15°C and 25°C.

Specification

Item	Specification
Appearance	White crystalline powder or granules
Identification (IR)	Conforms
Assay (as (NH₄)₃PO₄)	≥ 98.0 %
pH (5% solution)	7.5 - 9.0
Water Insoluble Matter	≤ 0.1 %
Heavy Metals (as Pb)	≤ 10 ppm
Loss on Drying	≤ 2.0 %

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