Aluminium Ammonium Sulphate Dodecahydrate 99%

Excl. VAT Incl. VAT

£4.25 to £189.34

Select Pack Size:

Code: Please choose option from drop down above

Variation ID		Product Code	Pack Size	List Price
454	photo_camera	ECE8010-X	100g Foil Pouch ECE8010-X	£4.25
455	photo_camera	ECE8010-2X	250g Foil Pouch ECE8010-2X	£5.95
456	photo_camera	ECE8010-5X	500g Foil Pouch ECE8010-5X	£7.45
457	photo_camera	GPC8010-2X	250g GPC8010-2X	£6.02
458	photo_camera	GPC8010-5X	500g GPC8010-5X	£8.45
459	photo_camera	GPC8010-Y	1Kg GPC8010-Y	£15.51
460	photo_camera	GPC8010-2.5Y	2.5Kg GPC8010-2.5Y	£31.24
461	photo_camera	GPC8010-5Y	5Kg GPC8010-5Y	£48.33
462	photo_camera	ECE8010-25Y	25Kg ECE8010-25Y	£189.34

Aluminium Ammonium Sulphate Dodecahydrate

Ammonium aluminium sulfate, also known as ammonium alum or just alum, is a white crystalline double sulfate usually encountered as the dodecahydrate, formula (NH4)Al(SO4)2-12H2O.

It is used in small amounts in a variety of niche applications.

The dodecahydrate occurs naturally as the rare mineral tschermigite.

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

Letterbox Friendly Foil Pouches also available HERE

Minimum Assay: >99%
Molecular Formula: AlH4(SO4)2-12H2O
Molecular Weight: 453.32 g/mol
Melting Point: 93.5 °C
Solubility in water (% weight): 14% in water
Insoluble matter: <0.001%
Reaction: 3.22
Chloride (Cl): <0.001%
Nitrate (NO3): <0.001%
Phosphate (PO4): 0.002%
Silicate (SiO3): <0.002%
Arsenic (As): <0.00005%
Copper (Cu): 0.00009%
Iron (Fe): 0.00034%
Lead (as Pb): 0.001%
Potassium (K): <0.0004%
Sodium (Na): <0.001%
Calcium (Ca): <0.0001%