Description

Potassium Citrate, Dibasic CAS NO 3609-96-9 is a potassium salt of citric acid, widely recognized for its superior buffering capacity and solubility. This compound is essential for precise pH control and as a source of bioavailable potassium in critical formulations. It serves as a key ingredient for manufacturers in the pharmaceutical, food & beverage, and industrial sectors requiring reliable, high-purity chemical intermediates.

Application

• Pharmaceutical Buffer & Alkalinizing Agent: Used in oral solutions and effervescent tablets to adjust urinary pH and as an electrolyte replenisher.
• Food Additive (E332(ii)): Functions as a stabilizer, emulsifier, and acidity regulator in processed foods, beverages, and dairy products.
• Industrial Chelating Agent: Effective in water treatment formulations and cleaning products for sequestering metal ions.
• Laboratory Reagent: Employed in analytical chemistry and molecular biology as a component of buffer solutions.
• Nutrient Supplement: Serves as a potassium source in animal feed and agricultural fertilizers.
• Personal Care Products: Used in formulations like toothpaste and mouthwash for its stabilizing and pH-adjusting properties.

Basic Information

Product Name	Potassium Citrate, Dibasic
CAS No.	3609-96-9
Molecular Formula	C6H5K3O8 • H2O
Molecular Weight	324.41 g/mol (Monohydrate)
Synonyms	Tripotassium Citrate Monohydrate; Potassium Citrate Tribasic Monohydrate; Citric Acid Tripotassium Salt Monohydrate; E332(ii); Tripotassium 2-hydroxypropane-1,2,3-tricarboxylate monohydrate; Tripotassium Citrate Hydrate; Kalii citras
EINECS	222-755-5

Quality Control

Our Potassium Citrate, Dibasic is manufactured under a strict quality management system. We offer grades compliant with major pharmacopoeial standards, including USP-NF, Ph. Eur., and FCC for food and pharmaceutical applications. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided and traceable to international reference standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (on dried basis)	99.0% - 100.5%
pH (5% Solution)	7.5 - 9.0
Water (Karl Fischer)	4.0% - 7.0%
Heavy Metals (as Pb)	≤ 10 ppm
Chloride (Cl)	≤ 0.005%
Sulfate (SO4)	≤ 0.01%
Oxalate	Passes test
Readily Carbonizable Substances	Passes test

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