Aluminium Sulfate CAS#10043-01-3
Powerful Coagulation & Flocculation Capacity: Inorganic acidic coagulant with excellent adsorption performance, effective for suspended solid removal, phosphorus removal and decolorization, widely used to adjust system pH value in water treatment.
Excellent Solubility & Hydrolysis Property: Dissolves quickly in water, hydrolyzes to form aluminium hydroxide colloid, good settling effect; easy to prepare different concentration liquid for industrial use.
Stable Crystal Form for Convenient Transport: White crystalline solid or flake with uniform texture, stable under sealed storage, easy to weigh, transport and automatic feeding.
Chemical & Physical Properties
| Property | Value |
|---|---|
| Melting point | 770 ℃ (decompose) |
| Density | 2.71 g/cm³ |
| Storage temp | Sealed dry cool warehouse, strictly isolate alkaline materials |
| Solubility | Highly soluble in water, insoluble in ethanol |
| Form | White crystal / flake / powder |
| Color | Pure white, slight grey or light yellow for industrial grade |
| Odor | Odorless |
| PH Value | Weakly acidic |
| Hygroscopicity | Moderately hygroscopic, easy to absorb moisture in humid air |
| Stability | Stable in airtight packaging; reacts rapidly with alkali to form aluminium hydroxide precipitate |
| EINECS No. | 233-135-0 |
| CAS DataBase Reference | 10043-01-3 |
Safety Information
| Item | Value |
|---|---|
| Hazard Codes | C |
| Risk Statements | R36 |
| Safety Statements | S24/25; S26; S37/39 |
| UN Number | 3264 |
| Hazard Class | 8 Corrosive goods |
| Packing Group | III |
| Flammability | Non-flammable |
| HS Code | 28332200 |
Main applications: Drinking water & wastewater treatment flocculant, papermaking sizing agent, textile mordant, leather tanning agent, wood preservative, fire-fighting foam additive, concrete waterproofing agent, chemical intermediate production.






