Description

Diphosphoric Acid, Potassium Salt is a high-purity inorganic compound, also known as potassium pyrophosphate, valued for its role as a versatile buffering and sequestering agent. Its primary commercial importance lies in its ability to stabilize pH and bind metal ions, which is critical for product consistency and performance in demanding formulations. This chemical is essential for manufacturers in the food processing, detergent, and industrial water treatment sectors seeking reliable and effective polyphosphate solutions.

Application

• Food Additive (Emulsifier & Buffer): Used in processed meats, cheeses, and canned seafood to improve texture, moisture retention, and stabilize pH.
• Detergent & Cleaning Formulations: Acts as a builder and sequestrant in industrial and institutional cleaners to soften water and enhance cleaning efficacy.
• Water Treatment: Employed as a corrosion and scale inhibitor in industrial cooling and boiler water systems.
• Ceramic & Electroplating: Serves as a dispersant in ceramic slip casting and as a component in electroplating baths for surface finishing.
• Laboratory Reagent: Used in analytical chemistry and biochemical research as a buffering agent.
• Oil Drilling Fluids: Functions as a thinner and dispersant to control the rheology of drilling muds.

Basic Information

Product Name	Diphosphoric Acid, Potassium Salt
CAS No.	10124-52-4
Molecular Formula	K4P2O7
Molecular Weight	330.34 g/mol
Synonyms	Potassium Pyrophosphate; Tetrapotassium Pyrophosphate (TKPP); Diphosphoric Acid Tetrapotassium Salt; Tetrapotassium Diphosphate; K4P2O7; Pyrophosphoric Acid, Tetrapotassium Salt; TPP
EINECS	233-354-4

Quality Control

Our Diphosphoric Acid, Potassium Salt is manufactured under a strict quality management system. Each batch is tested to ensure it meets high-purity standards suitable for food-grade (FCC) and industrial applications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profiles, and physical specifications is provided with every shipment to guarantee traceability and compliance with your 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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture and caking.

Specification

Item	Specification
Appearance	White crystalline powder or granules
Identification (IR)	Conforms
Assay (K4P2O7)	≥ 95.0%
pH (1% Solution)	10.0 - 10.8
Water Insoluble Matter	≤ 0.2%
Heavy Metals (as Pb)	≤ 20 ppm
Loss on Drying	≤ 0.5%

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