Description

Potassium Dihydrogen Orthophosphate(V) CAS NO 7778-77-0 is a high-purity, inorganic salt widely recognized as a fundamental phosphate source and buffering agent. Its consistent quality and reliable performance make it a critical raw material for ensuring process stability and product efficacy across diverse industrial and scientific applications. This compound is essential for manufacturers and researchers in the pharmaceutical, food & beverage, agricultural, and analytical chemistry sectors who require precise pH control and a bioavailable source of potassium and phosphorus.

Application

• Pharmaceutical Buffer & Excipient: Used in the formulation of injectables, ophthalmic solutions, and oral medications to maintain precise pH stability.
• Food Additive (FCC Grade): Functions as an emulsifier, stabilizer, and nutrient source (potassium and phosphorus) in processed foods and beverages.
• Fertilizer & Agricultural Solutions: Serves as a highly soluble source of phosphorus (P) and potassium (K) in foliar feeds and hydroponic nutrient systems.
• Analytical Reagent & Buffer: A key component in preparing standard solutions and mobile phases for analytical techniques like HPLC and ICP.
• Microbiological Culture Media: Provides essential nutrients and buffering capacity in media for fermentation and cell culture processes.
• Industrial Water Treatment: Acts as a corrosion inhibitor and scale prevention agent in boiler water and cooling systems.

Basic Information

Product Name	Potassium Dihydrogen Orthophosphate(V)
CAS No.	7778-77-0
Molecular Formula	KH2PO4
Molecular Weight	136.09 g/mol
Synonyms	Monopotassium Phosphate; Potassium Phosphate Monobasic; MKP; Potassium Dihydrogen Phosphate; Primary Potassium Phosphate; KDP; Phosphoric Acid, Monopotassium Salt; Acid Potassium Phosphate
EINECS	231-913-4

Quality Control

Our Potassium Dihydrogen Orthophosphate is manufactured under a strict quality management system. We offer various grades, including Technical, Food (FCC), and Pharmaceutical (USP/EP) grades, each produced to meet rigorous purity and consistency standards. Every batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing assay, impurity profiles, and physical specifications to ensure compliance with your specific 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 product is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent caking and degradation due to atmospheric moisture.

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%
Insoluble Matter	≤ 0.01%
Chloride (Cl)	≤ 0.001%
Sulfate (SO4)	≤ 0.002%
Heavy Metals (as Pb)	≤ 0.001%

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