Description

Potassium Sodium Hydrogenorthophosphate is a high-purity inorganic salt with the CAS number 14518-27-5, serving as a critical source of potassium, sodium, and phosphate ions. This compound is valued for its buffering capacity and nutritional contribution, making it essential for precise formulation control. It is primarily sought by manufacturers in the food, pharmaceutical, and industrial sectors for applications requiring consistent quality and reliable performance.

Application

• Food Additive & Nutrient Supplement: Used as an emulsifier, stabilizer, and source of essential minerals (potassium, phosphorus) in processed foods and nutritional products.
• Pharmaceutical Buffer & Excipient: Functions as a buffering agent in parenteral solutions, tablet formulations, and other medicinal products to maintain pH stability.
• Industrial Water Treatment: Acts as a corrosion inhibitor and scale control agent in boiler water and cooling tower systems.
• Laboratory Reagent: Employed in analytical chemistry and molecular biology as a component of buffer solutions for various biochemical assays.
• Fertilizer & Agricultural Input: Provides a soluble source of potassium and phosphorus in specialty fertilizers and hydroponic nutrient solutions.
• Metal Surface Treatment: Used in cleaning and phosphatizing formulations for metal pretreatment prior to painting or coating.

Basic Information

Product Name	Potassium Sodium Hydrogenorthophosphate
CAS No.	14518-27-5
Molecular Formula	KNaHPO₄
Molecular Weight	158.07 g/mol
Synonyms	Potassium Sodium Phosphate; Sodium Potassium Hydrogen Phosphate; Monopotassium Monosodium Phosphate; Potassium Sodium Orthophosphate; KNaHPO4; Potassium Sodium Phosphate Monobasic; Sodium Potassium Orthophosphate; Tripotassium Monosodium Phosphate (related mixed salt)
EINECS	Contact for details

Quality Control

Our Potassium Sodium Hydrogenorthophosphate is manufactured under a strict quality management system. Each batch is tested to ensure it meets stringent specifications for identity, purity, and composition. We provide comprehensive Certificates of Analysis (COA) upon request and can supply material compliant with relevant standards such as Food Chemical Codex (FCC) or pharmaceutical grades (USP/EP) based on customer 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent caking and degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (KNaHPO₄)	≥ 98.0 %
pH (5% solution)	8.0 - 9.5
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 10 ppm
Water Insoluble Matter	≤ 0.1 %

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