Description

Monopotassium phosphate is a high-purity, water-soluble inorganic salt with the chemical formula KH₂PO₄. It serves as a critical source of both potassium and phosphorus, essential nutrients and buffering agents across diverse industrial and scientific fields. This versatile compound is indispensable for manufacturers in the food & beverage, pharmaceutical, agricultural, and biotechnology sectors seeking reliable, high-quality raw materials.

Application

• Food & Beverage Additive: Used as a buffering agent, sequestrant, and yeast food in baked goods, beverages, and processed foods, often meeting FCC standards.
• Fertilizer & Agricultural Solutions: A highly efficient source of phosphorus and potassium in water-soluble fertilizers and hydroponic nutrient systems.
• Pharmaceutical & Biotech: Employed as an excipient in tablet formulations and as a key component in biological buffers (e.g., PBS - Phosphate Buffered Saline) for cell culture and molecular biology.
• Industrial Processes: Acts as a flame retardant, a nutrient in metal treatment baths, and a buffering agent in various chemical synthesis and electroplating processes.
• Laboratory Reagent: Serves as a primary standard in analytical chemistry and a buffer component in numerous analytical methodologies.

Basic Information

Product Name	Monopotassium Phosphate
CAS No.	7787-77-0
Molecular Formula	KH₂PO₄
Molecular Weight	136.09 g/mol
Synonyms	Potassium Dihydrogen Phosphate; MKP; Potassium Phosphate Monobasic; Potassium Biphosphate; Phosphoric Acid, Monopotassium Salt; Potassium Acid Phosphate; KDP; Primary Potassium Phosphate; KH₂PO₄
EINECS	232-142-9

Quality Control

Our Monopotassium Phosphate is manufactured under a stringent quality management system. Each batch is tested to ensure it meets precise specifications for purity, identity, and physical properties. We supply grades including Technical, Food (FCC), and Reagent/ACS, with corresponding Certificates of Analysis (COA) provided to guarantee consistency and compliance with your application requirements.

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 product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed after opening to prevent caking and degradation due to moisture absorption.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (KH₂PO₄)	≥ 99.0 %
pH (5% solution)	4.2 - 4.6
Loss on Drying	≤ 0.5 %
Water Insoluble Matter	≤ 0.01 %
Heavy Metals (as Pb)	≤ 10 ppm
Chloride (Cl)	≤ 50 ppm
Sulfate (SO₄)	≤ 50 ppm

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