ALUMINIUM AMMONIUM SULPHATE DODECAHYDRATE AR/ACS

Ammonium Alum

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Article No.
00895
Grade
AR/ACS
Purity
98%
CAS No.
7784-26-1
Molecular Formula
NH4AI(SO4)2.12H2O
Molecular Weight
453.32
H.S. Code
2833.3010
Shelf Life
60 Months
MSDS
 

 

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

Packings

  • 1PW1200500

    500 g (00500)

  • 1PDL00030K

    25 Kg (0025K)

  • 50 Kg (0050K)

 

Specifications

Appearance White crystalline powder
Assay 98-102%
Phosphate (PO4) Max 0.0025%
Insoluble matter Max 0.005%
Reaction Not less than pH 3.0
Chloride (Cl) Max 0.001%
Nitrate (NO3) Max 0.001%
Silicate (SiO3) Max 0.002%
Arsenic (As) Max 0.00005%
Copper (Cu) Max 0.0005%
Iron (Fe) Max 0.001%
Heavy metal (as Pb) Max 0.001%
Calcium (Ca) Max 0.05%
Potassium (K) Max 0.05%
Sodium (Na) Max 0.01%

Safety Information and Hazard Symbols

Exclamation Mark
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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