Description

Dipotassium Dihydrogenpyrophosphate is a high-purity inorganic salt widely used as a buffering and sequestering agent. Its primary commercial value lies in its ability to stabilize pH and control metal ion activity in complex formulations. This compound is essential for manufacturers in the food processing, detergent, and water treatment industries seeking reliable and consistent performance.

Application

• Food Additive (E450(v)): Used as an emulsifier, stabilizer, and pH regulator in processed meats, cheeses, and powdered products.
• Detergent & Cleaning Formulations: Acts as a builder and sequestrant to enhance cleaning power by inactivating water hardness minerals.
• Water Treatment: Functions as a corrosion and scale inhibitor in industrial water systems and cooling towers.
• Ceramic & Electroplating: Serves as a dispersing agent in ceramic glazes and a buffering agent in electroplating baths.
• Pharmaceutical & Cosmetic Excipient: Employed as a buffering agent in certain pharmaceutical preparations and personal care products.
• Laboratory Reagent: Used in analytical chemistry and biochemical research as a standard or buffer component.

Basic Information

Product Name	Dipotassium Dihydrogenpyrophosphate
CAS No.	14691-84-0
Molecular Formula	K₂H₂P₂O₇
Molecular Weight	330.33 g/mol
Synonyms	Dipotassium Diphosphate; Potassium Dihydrogen Diphosphate; Potassium Pyrophosphate Monobasic; Tetrapotassium Pyrophosphate (related); TKPP (related); E450(v); INS 450(v); Diphosphoric Acid, Dipotassium Salt; K₂H₂P₂O₇
EINECS	238-724-4

Quality Control

Our Dipotassium Dihydrogenpyrophosphate is manufactured under a strict quality management system. We provide material that meets relevant specifications for food grade (FCC), technical, and reagent applications. Certificates of Analysis (COA) documenting purity, identity, and key parameters are available for every batch upon request, ensuring full traceability and compliance for your supply chain.

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) and must be kept in original packaging or a suitable moisture-proof container to prevent caking and degradation.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (K₂H₂P₂O₇)	≥ 98.0 %
pH (1% Solution)	3.5 - 4.5
Water Insoluble Matter	≤ 0.2 %
Loss on Drying	≤ 0.5 %
Heavy Metals (as Pb)	≤ 10 ppm
Arsenic (As)	≤ 3 ppm
Fluoride (F)	≤ 10 ppm

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