International Shipping

We do not offer international shipping to countries within the European Union

We can only ship non-hazardous products to Rest of World

Tri Potassium Citrate 99-100.5% Monohydrate Food Grade

Tri Potassium Citrate 99-100.5% Monohydrate Food Grade
Price: £15.95
Stock Availability:

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Stock Availability
On Shelf - Approx. UK delivery date: Thursday the 29th January 2026*
In bulk stock - ships within 10 - 12 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, Jersey and Guernsey.

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
  • Acidity regulator
  • Potassium source
  • Buffers

What is Tri Potassium Citrate Monohydrate? Tri Potassium Citrate Monohydrate (chemical formula K₃C₆H₅O₇·H₂O) is an inorganic salt. It appears as a white, crystalline powder that is highly soluble in water. Tri Potassium Citrate is the potassium salt of citric acid and is commonly used in food, pharmaceutical, and industrial applications. -

Consistent Quality: We provide only high-quality Tri Potassium Citrate 99-100.5% Monohydrate, which meets international standards for FCC (Food Chemicals Codex).

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

Frequent Uses

Buffering Agent
Widely used as a buffering agent in various applications, including laboratory research and industrial processes. It helps to maintain a stable pH in solutions, preventing the acidity or alkalinity from fluctuating and ensuring the stability of chemical reactions or biological processes.

Laboratory Reagent
For various chemical and biological analyses. It is frequently employed in the preparation of buffers for protein or DNA analysis, as well as in other assays where pH control is essential.

FOOD GRADE
Confirms to FCC

  • Assay: 99-100.5%
  • Molecular Formula: K3C6H5O7•H2O
  • Molecular Weight: 324.42 (306.41anhy)
  • Melting Point: 230˚C
  • Assay (anhydrous basis): ≥ 99%
  • Oxalates: ≤ 0.01%
  • Loss on drying (180˚C, 4h): ≤ 6%
  • pH (5% aqueous solution): 7.5—9.0
  • Arsenic: ≤ 1ppm
  • Lead: ≤ 1ppm
  • Mercury: ≤ 1ppm

Hazard Phrases: Not considered harmful under normal laboratory conditions

Cas No: 6100-05-6
Einecs No: 231-905-0

Payment Methods

We can also accept a bank transfer (UK Only)

Source Chemicals Ltd