ALUMINIUM AMMONIUM SULPHATE AR (DODECAHYDRATE)

ALUMINIUM AMMONIUM SULPHATE AR (DODECAHYDRATE) ALUMINIUM AMMONIUM SULPHATE AR (DODECAHYDRATE)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
A0018000500 AR 98% 7784-26-1 NH4AI(SO4)2.12H2O 453.32 2833.3010
 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

Insoluble matter:

 Max 0.005%

Chloride (Cl):

 Max 0.001%

Heavy metal (as Pb):

 Max 0.001%

Sodium (Na):

 Max 0.01%

Arsenic (As):

 Max 0.00005%

Iron (Fe):

 Max 0.001%

Copper (Cu):

 Max 0.0005%

Assay:

 98-102%

Calcium (Ca):

 Max 0.05%

Nitrate (NO3):

 Max 0.001%

Phosphate (PO4):

 Max 0.0025%

Reaction:

 Not less than pH 3.0

Silicate (SiO3):

 Max 0.002%

Potassium (K):

 Max 0.05%

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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