ALUMINIUM AMMONIUM SULPHATE DODECAHYDRATE
ALUMINIUM AMMONIUM SULPHATE DODECAHYDRATE Extra Pure
Short Name: ALUMINIUM AMMONIUM SULPHATE DODECAHYDRATE
Synonym: Ammonium alum
Basic Details
Article No.
LG0191
Grade
Extra Pure
Purity
98%
CAS No.
7784-26-1
HS Code
2833.3010
Shelf Life
60 Months
Packings Avialable
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
Chemical 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 & Hazard Symbols
Symbol
GHS07
Signal Word
Warning
Hazardous Statement
H315-H319-H335
Precaution Statement
P261-P305 + P351 + P338