ALUMINIUM SULPHATE AR (18H2O)

ALUMINIUM SULPHATE AR (18H2O)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
A0019800500 AR 98% 7784-31-8 AI2(SO4)3.18H2O 666.42 2833.2210
 60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

White powder

pH value

3 - 4

Melting Point/ Freezing point [°C]

86 °C

Solubility in water [% weight]

Soluble in water

Specifications

Appearance:

 A white crystalline powder

Insoluble matter:

 Max 0.005%

Chloride (Cl):

 Max 0.001%

Heavy metal (as Pb):

 Max 0.001%

Sodium (Na):

 Max 0.02%

Iron (Fe):

 Max 0.002%

Copper (Cu):

 Max 0.001%

Calcium (Ca):

 Max 0.01%

Magnesium (Mg):

 Max 0.002%

Ammonium (NH4):

 Max 0.002%

Reaction:

 Min pH 2.5

Potassium (K):

 Max 0.005%

Assay ( as AI2(SO4)3.18H2O]; complexometric):

 98 - 102%

Substance not precipitated by ammonia (as SO4):

 Max 0.2%

Safety Information and Hazard Symbols

Symbol: GHS05
Signal Word: Danger
Hazardous Statement: H318
Precaution Statement: P280-P305 + P351 + P338
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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