Skip navigation
Sub Menu Here

Tetrapotassium Pyrophosphate (TKPP)

Tetrapotassium pyrophosphate (TKPP) is a detergent builder, water softener, dispersing agent, chelating agent, buffering agent and emulsifier. It holds applications in cleaning, water treatment, boiler descaling, oil drilling and more.

Overview

Solid TKPP is a white conglomerate or grain-like granule. As a liquid, it comes as a clear, odourless solution, soluble in water but insoluble in ethanol.

TKPP is often used as a highly-soluble, low-sodium and environmentally-friendly alternative to sodium acid pyrophosphate (SAPP, also known as sodium pyrophosphate).

A technical grade chemical potassium phosphate derivative, TKPP has excellent chelating capabilities and holds application across cleaning, water treatment, oil and gas and more.

CAS Number
7320-34-5
AKA
TKPP; Sodium Pyrophosphate; Tetrasodium Phosphate; TSPP
Quantities
25kg (solid), 25L, 200L, 1000L and bulk transfer (liquid)
Formula
K4P2O7

Applications

Cleaning Chemicals & Detergents

• A soap and detergent builder.
• A water softener and combines magnesium to sequester it from detergents.
• Used to reactivate detergents or soaps that have combined calcium to make insoluble scum.

Water Treatment

• TKPP has a higher solubility in water treatment formulations than sodium derivatives.
• Used in cooling tower water treatment processes as both a corrosion and scale inhibitor.
• Used in boiler descaling to avoid inefficiency, plugged tubes, under-deposit corrosion, hot spots caused by scale build up.

Oil & Gas

• Used in oil drilling fluid and in the mining of ore and clay.
• Prevents scale and corrosion buildup in pipes, pumps and other equipment.

Food Additives

• In food grade format, TKPP has widespread applications as a buffering agent, thickening agent, emulsifier and preservative for extending shelf life.

Textile Chemicals & Dyes

• Dyeing: Used to improve colour fastness and dye absorption.
• Paints and coatings: a levelling agent, sequestrant and pigment dispersant.
• Ceramic and porcelain production: used as a dispersing agent.

Others

• Synthetic rubber production.
• Electroplating: to remove surface oxidation and prepare metal surfaces.
• Concrete production: a retarder for improving workability and controlling setting time.
• Fire extinguishers: An additive in fire retardant formulations.

Product info download

We are award-winning suppliers of TKPP with over 50 years’ experience as a leading chemical distributor. Our privately-owned fleet allows us to offer fast, secure UK-wide delivery to meet any requirement.

Please note: We are unable to sell chemicals to members of the public.

    Contact

    Cookie Policy

    This website uses cookies. You can read more information about why we do this, and what they are used for here.

    Accept Decline