Aluminum Sulfate
- Chemical Name: Aluminum Sulfate
- Formula: Al2(SO4)3
- CAS Number: 10043-01-3
- Appearance:Aluminum sulfate appears as a white crystalline solid, granules, or powder. It is odorless and soluble in water, forming an acidic solution.
|
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 |
Packaging
Available in various packaging options, including 25 kg bags, 50 kg bags, and bulk containers to meet different industrial requirements.
Applications
- Water Treatment:
Widely used in municipal and industrial water treatment plants as a coagulant.
Helps in the removal of impurities, suspended particles, and organic matter by causing them to clump together and settle out of the water.
- Paper Manufacturing:
Used in the paper industry to enhance the sizing and retention properties of paper.
Improves paper quality by providing better ink absorption and smoother surface.
- Textile Industry:
Employed as a mordant in dyeing processes.
Helps fix dyes to fibers, ensuring vibrant and long-lasting colors.
- Gardening and Agriculture:
Used to lower the pH of garden soil, making it more acidic.
Beneficial for plants that prefer acidic soil, such as azaleas, rhododendrons, and blueberries.
- Construction:
Utilized in the construction industry for waterproofing and accelerating the setting time of concrete.
Enhances the durability and strength of construction materials.
- Cosmetics and Personal Care:
Found in some personal care products like deodorants and antiperspirants.
Acts as an astringent and helps to reduce sweat production.
Handling and Storage
- Store in a cool, dry, well-ventilated area away from incompatible substances.
- Ensure containers are tightly closed to avoid moisture absorption.
- Use personal protective equipment (PPE) such as gloves and safety goggles when handling the product to avoid skin and eye contact.
Safety Information
- Hazards: May cause skin irritation, eye irritation, and respiratory issues if inhaled.
- First Aid Measures:
- Inhalation: Move to fresh air immediately. Seek medical attention if symptoms persist.
- Skin Contact: Wash with soap and water. Remove contaminated clothing and seek medical advice if irritation occurs.
- Eye Contact: Rinse thoroughly with water for several minutes. Consult a physician if irritation persists.
- Ingestion: Rinse mouth with water. Do not induce vomiting. Seek medical advice.
Quality Assurance
Manufactured under strict quality control standards to ensure high purity and consistent performance.
Complies with relevant industry regulations and standards.
Note
This product is intended for professional use only. Always follow proper handling procedures and safety guidelines.
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