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Potassium Pyrophosphate 99%

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Price: £23.96

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Stock Availability

On Shelf - Approx. UK delivery date: Friday the 29th August 2025*

In bulk stock - ships within 10 - 15 Working Days (Excluding weekends and public holidays)

4 to 6 weeks approx. (Not guaranteed)

UK Shipping

Unfortunately, we are not currently accepting orders for Northern Ireland.

We can only ship to the following postcodes where a Royal Mail postal option has been chosen at checkout.

AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE

* We will always try to ship as early as possible. Delivery could be much quicker than stated but is not guaranteed

Applications

Chelating agent
Water softener
Drilling fluids
Electroplating

General

What is Potassium Pyrophosphate? Also known as tetrapotassium pyrophosphate (K₄P₂O₇), is a water-soluble, white, powdered solid. It is a salt of pyrophosphoric acid and potassium, with a molar mass of 330.34 g/mol.

Consistent Quality: We provide only high-quality Potassium Pyrophosphate, ensuring reliable and consistent performance for all applications.

Shipped from Manchester, UK Facility: Sourced and packaged in non-toxic, chemical-resistant containers to ensure safe handling and preserve product quality during transport.

Frequent Uses

Chelating Agent
It can bind metal ions, making it useful in various applications where metal ion control is needed.

Paints
Acts as an anionic dispersant in water-based paints.

Water Treatment
Inhibits corrosion and scale formation, making it useful in water softening and treatment systems.

Oil Drilling
Disperses mud rings and act as a thinner in drilling fluids.

Electroplating
Used to remove surface oxidation and prepare metal surfaces before plating.

Specification

Assay: 99.0%
M.W.: 330.34
M.F.: K4P2O7
Storage Temp. +20°C
Physical Description: White powder
Solubility (5% in water): Clear, colourless solution
Arsenic (As): 1ppm
Lead (Pb): 1ppm
Mercury (Hg): 1ppm
Cadmium (Cd): 1ppm
Fluoride (F): 1pmm
Loss on Ignition: 0.1%

Hazards

Hazard Phrases: Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Prec Phrases: Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Harmful CLP Image

Cas No: 7320-34-5

Einecs No: 230-785-7

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Code	Pack	Price
GPC4100-X	100g	£23.96
GPC4100-2X	250g	£49.88
GPC4100-5X	500g	£84.64
GPC4100-Y	1Kg	£158.25
GPC4100-2.5Y	2.5Kg	£357.43
GPC4100-5Y	5Kg	£663.89

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