Aluminium Potassium Sulphate 99.5% ACS Letterbox Friendly Pouch

£3.00£7.25

 

Clear

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.

  • 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

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%

Hazard Phrases: Not considered harmful under normal laboratory conditions

Cas No: 7784-24-9
Einecs No: 233-141-3

HS CODE: 2833300000

BREXIT UPDATE

Following the UK’s departure from the EU on 1 January 2021, all European shipments are sent on a DAP Basis (Delivered at Place).

This means that the buyer will be liable for import VAT at their prevailing national rate and for orders over 150€ (including carriage) import duties will become chargeable at your prevailing national rate.

The Duty is ascertained by your national customs authority based on the HS Code of each product. The HS Code is shown in the “European Shipment” section of each product page.

MSDS – DOWNLOAD NOW

Specification – DOWNLOAD NOW

Additional information

Weight N/A
Pack Size

100gm, 250gm, 500gm