Description

1,2,3-Propanetricarboxylicacid,2-Hydroxy-,Potassiumsalt is the potassium salt of citric acid, a key organic acid salt widely used for its buffering, chelating, and sequestering properties. This compound is valued for its high solubility and effectiveness as a stabilizer and pH adjuster in demanding formulations. It serves as a critical raw material for manufacturers in the food & beverage, pharmaceutical, and industrial cleaning sectors seeking reliable, high-purity ingredients.

Application

• Food & Beverage Industry: Used as a buffering agent, pH regulator, and sequestrant in beverages, jams, and processed foods to control acidity and enhance stability.
• Pharmaceuticals: Employed as an excipient in tablet and syrup formulations for its effervescent and buffering capabilities, and as a chelating agent in active pharmaceutical ingredients (APIs).
• Industrial Cleaning & Detergents: Acts as a water softener and builder in liquid and powder detergents, effectively chelating metal ions like calcium and magnesium to prevent scale.
• Personal Care & Cosmetics: Functions as a pH adjuster and chelating agent in creams, lotions, and hair care products to improve formula stability and shelf life.
• Technical & Chemical Synthesis: Serves as a starting material or catalyst in various organic synthesis processes and as a component in electroplating baths.
• Agriculture: Used in certain fertilizer formulations and as a chelating agent in micronutrient supplements for plants.

Basic Information

Product Name	1,2,3-Propanetricarboxylicacid,2-Hydroxy-,Potassiumsalt
CAS No.	7778-49-6
Molecular Formula	C6H5K3O7 • H2O (Monohydrate)
Molecular Weight	324.41 g/mol (Monohydrate)
Synonyms	Potassium Citrate Monohydrate; Tripotassium Citrate Monohydrate; Citric Acid Tripotassium Salt Monohydrate; 2-Hydroxy-1,2,3-propanetricarboxylic acid tripotassium salt monohydrate; E332; Tripotassium 2-hydroxypropane-1,2,3-tricarboxylate monohydrate
EINECS	231-905-0

Quality Control

Our Potassium Citrate is manufactured under a strict quality management system. We offer grades compliant with major pharmacopoeial standards, including USP, EP, BP, and FCC, ensuring suitability for food, pharmaceutical, and technical applications. Every batch is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles, guaranteeing traceability and consistent performance for our global B2B clients.

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). This product is hygroscopic (moisture-sensitive); the original container must be kept tightly sealed after use to prevent caking or degradation due to moisture absorption.

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
Loss on Drying	4.0% - 7.0%
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.