ALUMINIUM SULPHATE OCTADECAHYDRATE Extra Pure

Alum; Dialuminum sulfate octadecahydrate

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Article No.
00973
Grade
Extra Pure
Purity
CAS No.
7784-31-8
Molecular Formula
AI2(SO4)3.18H2O
Molecular Weight
666.42
H.S. Code
2833.2210
Shelf Life
60 Months
MSDS
 

 

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

Packings

  • 1PW1200500

    500 g (00500)

  • 1PDL00030K

    25 Kg (0025K)

  • 1PDLP0065K

    50 Kg (0050K)

 

Specifications

Appearance A white crystalline powder
Assay (as AI2(SO4)3; complexometric) 51 - 59%
pH (2% solution in water) 2.5 - 4.0
Chloride (Cl) Max 0.005%
Heavy metal (as Pb) Max 0.002%
Ammonium (NH4) Max 0.005%
Arsenic (As) Max 0.001%
Calcium (Ca) Max 0.02%
Iron (Fe) Max 0.005%
Potassium (K) Max 0.2%
Alkalies & alkaline earth metals Max 0.4%

Safety Information and Hazard Symbols

Corrosion
Symbol: GHS05
Signal Word: Danger
Hazardous Statement: H318
Precaution Statement: P280-P305 + P351 + P338
Revision Date : 30-Mar-2021
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