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Aluminium Ammonium Sulphate Dodecahydrate 99%

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Aluminium Ammonium Sulphate Dodecahydrate 99%

(Ammonium Alum)

Aluminium Ammonium Sulphate Dodecahydrate 99%
  • As a mordant in hand dyeing
  • Making crystals
  • Is an astringent/styptic and antiseptic
  • A┬ánatural deodorant by inhibiting the growth of the bacteria responsible for body odor
  • General Laboratory Reagent

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.

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%

Hazard Phrases: Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Prec Phrases: Avoid breathing dust/fume/gas/mist/vapours/spray. Wash hands thoroughly after handling. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Get medical advice/attention.

Harmful CLP Image

Cas No: 7784-26-1
Einecs No: 232-055-3

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Code Pack Price Qty  
ECE8010-X 100g £2.95
ECE8010-2X 250g £3.90
ECE8010-5X 500g £5.50
GPC8010-Y 1Kg £9.95
GPC8010-2.5Y 2.5Kg £18.95
GPC8010-5Y 5Kg £32.50
ECE8010-25Y 25Kg £165.00

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