Description

Tripotassium Nitrilotriacetate is a highly water-soluble, tri-potassium salt of the versatile chelating agent nitrilotriacetic acid (NTA). This compound is valued for its exceptional ability to sequester and deactivate di- and trivalent metal ions, such as calcium and magnesium, in aqueous systems. It is a critical component for industrial buyers in sectors requiring effective scale inhibition, metal ion control, and stabilization, including water treatment, detergent formulation, and textile processing. Its high solubility and strong chelation power make it a preferred choice for formulating liquid concentrates and high-performance cleaning agents.

Application

• Detergent & Cleaner Builder: Acts as a powerful builder and sequestrant in liquid laundry detergents, dishwashing liquids, and industrial cleaners, enhancing surfactant efficiency by inactivating water hardness ions.
• Water Treatment Chemical: Used for scale inhibition and dispersancy in cooling water systems, boilers, and reverse osmosis membranes to prevent carbonate and sulfate scale formation.
• Textile Processing Aid: Serves as a chelating agent in dyeing and bleaching baths to prevent metal-ion interference, ensuring consistent color quality and improving process efficiency.
• Personal Care Formulations: Employed as a stabilizer and chelant in shampoos, liquid soaps, and other cosmetic products to enhance clarity and shelf-life.
• Pulp & Paper Industry: Used in bleaching processes to chelate transition metals that can catalyze the decomposition of bleaching agents like hydrogen peroxide.
• Agriculture: Functions as a micronutrient carrier in fertilizer solutions and as a chelating agent in agrochemical formulations.
• Industrial Cleaning: Key ingredient in metal cleaning and electroplating solutions for removing and controlling metal ion contaminants.
• Laboratory Reagent: Used in analytical chemistry as a buffer component and complexometric titrant for determining water hardness.

Basic Information

Product Name	Tripotassium Nitrilotriacetate
CAS No.	2399-85-1
Molecular Formula	C6H6K3NO6
Molecular Weight	309.33 g/mol
Synonyms	Trisodium Nitrilotriacetate (common misnomer); NTA Tripotassium Salt; Nitrilotriacetic Acid Tripotassium Salt; Tripotassium 2,2',2''-Nitrilotriacetate; K3NTA; TKNTA; Trigonal; Tris-K NTA; Tri-K NTA
EINECS	219-255-7

Quality Control

Our Tripotassium Nitrilotriacetate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, chelation value, and ionic content. Certificates of Analysis (COA) documenting key parameters such as assay, heavy metals, and loss on drying are provided with every shipment. We adhere to relevant industrial standards and can support compliance requirements for global markets.

Storage

Preserve in a tightly closed container, protected from light. This product is hygroscopic (moisture-sensitive) and must be stored in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture and CO2, which can lead to caking and reduced efficacy.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0 %
pH (1% Solution)	10.0 - 11.5
Loss on Drying	≤ 2.0 %
Water Insoluble Matter	≤ 0.1 %
Heavy Metals (as Pb)	≤ 20 ppm
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.05 %

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