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.
How do I choose the right chemicals for my application?
You can tell us your application scenario, such as pool type, industrial wastewater characteristics, or current treatment process.
Or, please provide the brand or model of the product you are currently using. Our technical team will recommend the most suitable product for you.
You can also send us samples for laboratory analysis, and we will formulate equivalent or improved products according to your needs.
Do you provide OEM or private label services?
Yes, we support customization in labeling, packaging, formulation, etc.
Are your products certified?
Yes. Our products are certified by NSF, REACH, BPR, ISO9001, ISO14001 and ISO45001. We also have national invention patents and work with partner factories for SGS testing and carbon footprint assessment.
Can you help us develop new products?
Yes, our technical team can help develop new formulas or optimize existing products.
How long does it take for you to respond to inquiries?
Reply within 12 hours on normal working days, and contact via WhatsApp/WeChat for urgent items.
Can you provide complete export information?
Can provide a full set of information such as invoice, packing list, bill of lading, certificate of origin, MSDS, COA, etc.
What does after-sales service include?
Provide after-sales technical support, complaint handling, logistics tracking, reissue or compensation for quality problems, etc.
Do you provide product usage guidance?
Yes, including instructions for use, dosing guide, technical training materials, etc.
