Potassium Hydroxide Flake 90%

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Price: £12.87

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Stock Availability

On Shelf - Approx. UK delivery date: Thursday the 22nd May 2025*

In bulk stock - ships within 4 - 8 Days (Excluding weekends and public holidays)

4 - 6 Weeks Approx.

UK Shipping

We can only ship to Northern Ireland where a Royal Mail postal option has been chosen at checkout.

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

General

Potassium hydroxide is an inorganic compound with the formula KOH, commonly called caustic potash.

Specification

Minimum Assay: >90%
Molecular Formula: HKO
Molecular Weight: 56.11
Melting Point: 360°C
Boiling Point: 1320-1324°C
Potassium Carbonate (K2Co3): <0.5%
Potassium Chloride (KCl): <0.015%
Iron (Fe): <3ppm
Sodium Hydroxide (NaOH): <5ppm
Sulphated Ash: <5ppm
Bulk Density: 0.8-1.2 g/m3
Lead (Pb): <0.1ppm
Zinc (Zn): <0.2ppm
Arsenic (As): <10ppm

Hazards

Hazard Class: 8

Packing Group: 2

Hazard Phrases: May be corrosive to metals. Harmful if swallowed. Causes severe skin burns and eye damage.

Prec Phrases: Do not breathe dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

corrosive CLP Image Harmful CLP Image

Cas No: 1310-58-3

Einecs No: 215-181-3

UN1813

FP: n/a

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Code	Pack	Price
KOH-500G	500g	£12.87
KOH-2X500G	2 x 500g	£16.95
KOH-1KG	1Kg	£14.19
KOH-2X1KG	2 x 1Kg	£23.95
KOH-6X1KG	6 x 1Kg	£59.95
KOH-12X1KG	12 x 1Kg	£94.95
KOH-24X1KG	24 x 1Kg	£184.95

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Potassium Hydroxide Flake 90%

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