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ALUMINIUM AMMONIUM SULPHATE DODECAHYDRATE Extra Pure
Ammonium alum
MSDS
DE
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FR
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PT
ES
TH
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COAs
Packings
500 g
(00500)
25 Kg
(0025K)
50 Kg
(0050K)
Print friendly version
Article No.
00894
Grade
Extra Pure
Purity
98%
CAS No.
7784-26-1
Molecular Formula
NH
4
AI(SO
4
)
2
.12H
2
O
Molecular Weight
453.32
H.S. Code
2833.3010
Shelf Life
60 Months
Physical Properties
Physical state at 20 °C
Solid
Colour
White powder
Odour
Odorless
pH value
2.6
Melting point/ Freezing point [°C]
93.5 °C
Boiling point [°C]
280°C
Density [g/cm3]
1.65
Solubility in water [% weight]
14% in water
Specifications
Appearance
White crystalline powder
Assay (complexometric)
Min 98.0%
Chloride (Cl)
Max 0.005%
Heavy metal (as Pb)
Max 0.005%
Arsenic (As)
Max 0.003%
Iron (Fe)
Max 0.001%
Substance not precepitate by NH3 (as SO4)
Max 0.3%
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Revision Date:
30-Mar-2021
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ALUMINIUM AMMONIUM SULPHATE DODECAHYDRATE