Poly Aluminium Chloride (PAC) CAS#1327-41-9
Powerful Coagulation & Flocculation Capacity: High-efficiency inorganic polymer coagulant with strong charge neutralization and adsorption bridging effect, effective for suspended solid removal, phosphorus removal, decolorization and turbidity reduction, widely used to purify various water systems.
Excellent Solubility & Hydrolysis Property: Dissolves quickly in water, hydrolyzes to form stable polymeric aluminium hydroxide complexes, fast sedimentation speed, low dosage, easy to prepare different concentration liquid for industrial use.
Stable Solid Form for Convenient Transport: Yellow / pale yellow / white powder or granule with uniform texture, stable under sealed storage, easy to weigh, transport and automatic feeding.
Poly aluminium chloride, abbreviated as PAC, is a high-demand basic inorganic chemical raw material, with mild irritancy and wide coverage of water treatment application scenarios.
Chemical & Physical Properties
| Property | Value |
|---|---|
| Melting point | Decomposes on heating |
| Density | 1.19~1.45 g/cm³ (liquid varies by concentration) |
| Storage temp | Sealed dry cool warehouse, strictly isolate alkaline materials |
| Solubility | Highly soluble in water |
| Form | Powder / granule / liquid |
| Color | White, pale yellow, yellowish-brown |
| Odor | Odorless |
| PH Value | 3.5-5.0 (1% aqueous solution), Weakly acidic |
| Hygroscopicity | Hygroscopic, easy to absorb moisture in humid air |
| Stability | Stable in airtight packaging; reacts rapidly with strong alkali to form aluminium hydroxide precipitate |
| EINECS No. | 215-477-2 |
| CAS DataBase Reference | 1327-41-9 |
Safety Information
| Item | Value |
|---|---|
| Hazard Codes | Xi |
| Risk Statements | R36/37/38 |
| Safety Statements | S24/25; S26; S37/39 |
| UN Number | 1760 |
| Hazard Class | 8 Corrosive goods |
| Packing Group | III |
| Flammability | Non-flammable |
| HS Code | 3824999990 |
Main applications: Drinking water purification, industrial wastewater treatment, municipal sewage treatment, papermaking retention aid, textile mordant, precision casting, sludge dewatering, oil industry wastewater treatment.
