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Wersje językowe
Producenci
Siarczan glinu Al2(SO4)3 - 5000g
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3 - 5000g "Pin It")
Opis
Aluminium Sulfate
Other Names: Aluminum sulphate, Dialuminum trisulfate
CAS Number: 10043-01-3
EC Number: 233-135-0
Chemical Formula: Al₂(SO₄)₃
Molar Mass: 342.15 g/mol
Appearance: White to off-white crystalline powder or solid lumps
Chemical and Physical Properties
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Density: ~2.71 g/cm³
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Melting Point: Decomposes above 770°C
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Solubility in Water: Highly soluble (31.2 g/100 mL at 20°C)
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Solubility in Other Solvents: Insoluble in ethanol and acetone
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Odor: Odorless
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pH (1% solution): ~2.5–3.5 (acidic)
Applications
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Water Treatment: Widely used as a coagulant for clarifying drinking water and treating wastewater by precipitating impurities.
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Paper Industry: Used in the sizing process to improve paper quality and reduce ink absorption.
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Textile Industry: Acts as a mordant in dyeing processes to fix dyes to fabrics.
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Construction: Used in accelerating concrete setting in specific formulations.
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Laboratory Use: Sometimes used as a reagent for precipitation reactions.
Safety
Signal Word: Warning
H290 (41.1%): May be corrosive to metals [Warning Corrosive to Metals]
H318 (91.5%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
P234, P264+P265, P280, P305+P354+P338, P317, P390, and P406
Handling and Storage
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Storage Conditions: Store in a dry, well-ventilated area in tightly sealed containers. Protect from moisture and incompatible materials such as strong bases.
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Handling Precautions: Avoid dust formation and inhalation. Use appropriate personal protective equipment and ensure proper ventilation.
