Packings
00894
Article No. 00894
Purity 98%
Molecular Formula NH4AI(SO4)2.12H2O
H.S. Code 2833.3010
Grade Extra Pure
CAS No. 7784-26-1
Molecular Weight 453.32
Shelf Life 60 Months

Physical Properties

Specifications

Safety Information and Hazard Symbols

Symbol:


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

Exclamation Mark              

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P280-P302+P352-P305+P351+P338