Aluminium Potassium Sulphate 99.5% ACS

Aluminium Potassium Sulphate 99.5% ACS feedback

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Price: £3.95

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Stock Availability

On Shelf - Approx. UK delivery date: Friday the 25th April 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

Applications

as a mordant in hand dyeing
making crystals
is an astringent/styptic and antiseptic
a natural deodorant by inhibiting the growth of the bacteria responsible for body odor
General Laboratory Reagent

General

Potassium alum, potash alum or tawas is the potassium double sulfate of aluminium.

It is commonly found in its dodecahydrate form as KAl(SO4)2·12(H2O).

Alum is the common name for this chemical compound, given the nomenclature of potassium aluminum sulfate dodecahydrate.

It is commonly used in water purification, leather tanning, dyeing, fireproof textiles, and baking powder.

It also has cosmetic uses as a deodorant, as an aftershave treatment and as a styptic for minor bleeding from shaving.

Specification

Minimum Assay: >99.5%
Molecular Formula: AlK(S04)2.12H20
Molecular Weight: 474.38 g/mol
Melting Point: 92 C
Water: <4.5%
Chloride: <0.01%
Iron: <100ppm
Aluminium: 5-6%

Hazards

Hazard Phrases: Not considered harmful under normal laboratory conditions

Cas No: 7784-24-9

Einecs No: 233-141-3

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Code	Pack	Price
POTASHALUM-FOIL-50G	50g	£3.95
POTASHALUM-FOIL-100G	100g	£5.95
SCAPS-FOIL-2X100G	2 x 100g	£9.95
POTASHALUM-FOIL-250G	250g	£9.95
SCAPS-FOIL-2X250G	2 x 250g	£16.95
POTASHALUM-FOIL-500G	500g	£14.95
SCAPS-FOIL-2X500G	2 x 500g	£24.95
POTASHALUM-1KG	1Kg	£19.95
POTASHALUM-2X1KG	2 x 1Kg	£36.95
POTASHALUM-2.5KG	2.5Kg	£65.95
POTASHALUM-5KG	5Kg	£112.15
POTASHALUM-2X5KG	2 x 5Kg	£199.95
POTASHALUM-25KG	25Kg	£495.00

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