Description

Amoniumphosphatedibasic CAS NO 21-53-0 is a high-purity inorganic salt widely recognized as a critical source of phosphorus and nitrogen. This compound is essential for applications requiring precise nutrient delivery and pH buffering. It is a key raw material for manufacturers in the fertilizer, food & beverage, and pharmaceutical industries seeking reliable, consistent quality.

Application

• Fertilizer Industry: Serves as a highly efficient water-soluble phosphorus and nitrogen source in specialized fertilizers and nutrient solutions.
• Food Additive: Used as a nutrient supplement, pH regulator, and dough conditioner in food processing (subject to appropriate food-grade specifications).
• Pharmaceutical Excipient: Functions as a buffering agent and a source of phosphate in various medicinal formulations and dialysis solutions.
• Fire Retardants: Acts as a key component in flame-retardant compositions for textiles, wood, and paper products.
• Laboratory Reagent: Employed as an analytical standard and buffer solution component in chemical and biological research.
• Water Treatment: Utilized for corrosion inhibition and scale control in industrial water treatment systems.
• Yeast Nutrient: Provides essential nutrients in fermentation processes for biotechnology and brewing applications.

Basic Information

Product Name	Amoniumphosphatedibasic
CAS No.	21-53-0
Molecular Formula	(NH4)2HPO4
Molecular Weight	132.06 g/mol
Synonyms	Diammonium Hydrogen Phosphate; Diammonium Phosphate; DAP; Ammonium Phosphate Dibasic; Secondary Ammonium Phosphate; Ammonium Hydrogen Phosphate; (NH4)2HPO4; Phosphoric Acid, Diammonium Salt
EINECS	204-058-9

Quality Control

Our Amoniumphosphatedibasic is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets the required specifications for purity, identity, and physical properties. Certificates of Analysis (COA) are provided and can be tailored to meet specific customer requirements, including compliance with standards such as USP, FCC, or ACS grades.

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 product is hygroscopic (moisture-sensitive) and must be kept in a low-humidity environment to prevent caking and degradation.

Specification

Item	Specification
Appearance	White crystalline powder or granules
Identification (IR)	Conforms
Assay (as (NH4)2HPO4)	≥ 98.0 %
pH (5% solution)	7.6 - 8.4
Loss on Drying	≤ 0.5 %
Insoluble Matter	≤ 0.1 %
Chloride (Cl)	≤ 0.005 %
Sulfate (SO4)	≤ 0.05 %
Heavy Metals (as Pb)	≤ 10 ppm

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