1327-41-9
1327-41-9
[Al2(Oh)Ncl6-N]M
233-140-8
Specific Reagents
Water Treatment
Standard
Industry
Extractive
Fine Chemicals
Industry, Environmental Protection, Agriculture
Inorganic Reagent
LONGKEY
Polybag
>98%
China
391231
Product Description
Polyaluminium Chloride (PAC) - Solid Powder
Chemical Formula: [Al2(OH)nCl6-n]m
CAS No.: 1327-41-9 (solid form), 7446-70-0 (base compound)
Key Specifications (Industrial Grade)
| Property | Specification |
|---|---|
| Appearance | Yellow to brown fine powder or granules |
| AlO Content | 28%-32% |
| Basicity (B-value) | 50%-90% |
| pH (1% solution) | 3.5-5.0 |
| Water Insolubles | ≤0.6% |
| Moisture Content | ≤3% |
| Arsenic (As) | ≤0.0001% |
| Heavy Metals (as Pb) | ≤0.0005% |
Usage Guidelines
- 1.Dissolution:
- Dilute powder in water (recommended ratio: 1:10 to 1:20 depending on application).
- Stir vigorously to achieve complete dissolution (avoids clumping).
- 2.Dosage:
- Drinking Water: 5-20 mg/L (adjust based on turbidity and target residual Al³ levels).
- Wastewater: 50-200 mg/L (higher for industrial effluents with high COD).
- 3.Compatibility:
- Works synergistically with polyacrylamide (PAM) for enhanced flocculation.
Advantages of Solid vs. Liquid PAC
| Feature | Solid PAC | Liquid PAC |
|---|---|---|
| Storage | Longer shelf life (2 years) | Shorter stability (6 months) |
| Transportation | Lower cost (no water weight) | Higher freight costs |
| Dosing Flexibility | Requires dissolution step | Ready-to-use |
| AlO Concentration | Higher (30%±) | Lower (10%-12%) |
Safety & Handling
- Risks:
- Dust Inhalation: Wear N95 masks to avoid respiratory irritation.
- Skin/Eye Contact: May cause irritation (use gloves and goggles).
- Storage:
- Keep in dry, ventilated areas (<30°C) away from alkalis and moisture.
- Avoid direct sunlight to prevent degradation.
- GHS Label:
- H315: Causes skin irritation.
- H319: Causes serious eye irritation.
