Poly Aluminum Chloride
PAC, Polyaluminium Hydroxychloride
- CAS
- 1327-41-9
- EC
- 215-477-2
- Sectors
- Water & Wastewater Treatment, Textiles, Leather & Paper
Poly Aluminum Chloride (CAS 1327-41-9) is a coagulant composed of aluminum hydroxide chloride polymers, supplied as a yellowish powder, a glassy solid or a liquid suspension in water, and it hydrolyzes rapidly to neutralize colloids in drinking water and wastewater treatment, paper sizing and textile dye fixation.
Typical Properties
| Molecular weight | 79.44 g/mol |
|---|---|
| Appearance | often supplied as a suspension or solution in water |
| Form | glassy solid |
| Color | glass, glassy solid |
| Density | 1.23 g/cm³ |
| Water solubility | soluble H2O, forms slightly turbid colloidal solution [MER06] |
| Grades available | Technical Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Poly Aluminum Chloride
Applications
Used in drinking water and wastewater treatment for turbidity removal and sludge dewatering. Also applied in paper sizing and textile dye fixation.
Safety & Risks
Mildly acidic and irritant; avoid inhalation and direct contact.
Packaging
Delivered in 25 kg bags or 1,200 kg IBC tanks. Store in a dry, covered area away from moisture.