Aluminum Sulfate for sale
Product Overview
Aluminum Sulfate, with the commonly used chemical formula Al2(SO4)3, is an important inorganic chemical widely used in water treatment, paper manufacturing, leather processing, food and pharmaceutical industries and other fields. It has strong coagulation and sedimentation properties and can effectively remove suspended solids, colors and impurities in water. It is a multi-functional and efficient water treatment agent.
Technical Parameter
| Chemical formula | Al2(SO4)3 |
| Molar mass | 342.15 g/mol (anhydrous) 666.44 g/mol (octadecahydrate) |
| Appearance | White crystalline solid Hygroscopic |
| Density | 2.672 g/cm3 (anhydrous) 1.62 g/cm3(octadecahydrate) |
| Melting point | 770 °C (1,420 °F; 1,040 K) (decomposes, anhydrous) 86.5 °C (octadecahydrate) |
| Solubility in water | 31.2 g/100 mL (0 °C) 36.4 g/100 mL (20 °C) 89.0 g/100 mL (100 °C) |
| Solubility | slightly soluble in alcohol, dilute mineral acids |
| Acidity (pKa) | 3.3-3.6 |
| Magnetic susceptibility (χ) | -93.0·10−6 cm3/mol |
| Refractive index(nD) | 1.47[1] |
| Thermodynamic data | Phase behavior: solid–liquid–gas |
| Std enthalpy of formation | -3440 kJ/mol |
Main Application Fields
Water treatment: Used to purify tap water and industrial wastewater, remove suspended solids, colors and impurities, and improve water quality.
Paper manufacturing: Used as filler and gelling agent to improve the strength and gloss of paper.
Leather processing: Used in the tanning process of leather to improve its texture and color.
Food Industry: As a component of coagulants and flavoring agents, it is widely used in food production.
Pharmaceutical industry: Used in some reactions during the preparation and production of pharmaceuticals.
Storage and Precautions
Aluminum Sulfate should be stored in a cool, dry environment away from direct sunlight.
Avoid mixing with acidic substances to avoid affecting product performance.
