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ALUMINIUM SULPHATE OCTADECAHYDRATE AR

Alum; Dialuminum sulfate octadecahydrate

COAs

Packings

500 g (00500)

25 Kg (0025K)

50 Kg (0050K)

1PW1200500 1PDL00030K 1PDLP0065K
Print friendly version
Article No. 00974 Grade AR
Purity 98% CAS No. 7784-31-8
Molecular Formula AI2(SO4)3.18H2O Molecular Weight 666.42
H.S. Code 2833.2210 Shelf Life 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 Assay ( as AI2(SO4)3.18H2O]; complexometric) 98 - 102%
Insoluble matter Max 0.01% Reaction Min pH 2.5
Chloride (Cl) Max 0.001% Ammonium (NH4) Max 0.01%
Copper (Cu) Max 0.001% Iron (Fe) Max 0.002%
Heavy metal (as Pb) Max 0.001% Calcium (Ca) Max 0.01%
Magnesium (Mg) Max 0.002% Potassium (K) Max 0.005%
Sodium (Na) Max 0.02% Substance not precipitated by ammonia (as SO4) Max 0.2%

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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