Potassium Hydroxide Flake 90%


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

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Shipping information:
Potassium Hydroxide Flake 90% can only be shipped by courier in Limited Quantity within the UK with a maximum allowable size of 1L per bottle, or multiples of.
Pack Sizes above 1L can only be shipped by ADR approved courier.
Please contact us if you require larger pack sizes of volumes of Potassium Hydroxide Flake 90%.

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

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.


Cas No: 1310-58-3
Einecs No: 215-181-3


Additional information

Weight N/A
Pack Size

500gm, 1Kg, 3x1Kg, 6x1Kg, 12x1Kg, 24x1Kg