Hazard identification
PAC is classified as causing serious eye damage and skin irritation. Site PPE requirements follow from this section.
Documentation
PAC specifications, SDS and Certificate of Analysis
The paperwork side of buying PAC — what a Certificate of Analysis should contain, what the Safety Data Sheet covers, and the shipping classification your freight forwarder will ask for.
What our Certificate of Analysis states
| Field | Purpose |
|---|---|
| Batch / lot number | Traceability back to a specific production run |
| Manufacturing and expiry date | Confirms shelf life remaining at delivery |
| Al2O3 content (%) | The active coagulant content — your primary quality parameter |
| Basicity (%) | Governs floc behaviour, alkalinity consumption and pH depression |
| Water insolubles (%) | Predicts residue and dosing-line fouling |
| pH of 1% solution | Handling and material compatibility indicator |
| Heavy metals (Fe, As, Pb, Cd, Hg) | Required for potable water applications and most tenders |
| Test method reference | Shows results are against a recognised standard, not an in-house shortcut |
A CoA that does not carry a batch number is not a CoA — it is a marketing sheet. Ask for the batch-specific document before you accept a delivery.
SDS
Safety Data Sheet — the sections that matter on site
First aid measures
Post the eye-flush and skin-contact procedures at the dosing station, not just in the HSE file.
Handling and storage
Compatible materials, temperature range, segregation from alkalis and oxidisers.
Accidental release
Containment and neutralisation procedure for a spill or IBC failure — worth rehearsing before you need it.
Stability and reactivity
Reacts with alkalis and generates heat. Never store beside caustic soda or lime.
Transport information
Classification, packing group and any marine pollutant flag your forwarder needs.
Shipping and classification reference
| Item | Detail |
|---|---|
| Chemical name | Polyaluminium chloride (PAC), also aluminium chlorohydrate |
| Common CAS reference | 1327-41-9 (verify against the SDS for your specific grade) |
| Typical HS code | 2827.32 — aluminium chloride derivatives (confirm with your customs broker) |
| Transport classification | Generally UN 3264, Class 8 corrosive liquid, PG III for liquid grades |
| Solid grades | Classification varies by formulation — always confirm against the batch SDS |
| Packaging marking | UN-certified packaging required where the grade is classified as dangerous goods |
Classification and HS codes vary by grade, formulation and destination country. Treat this as a starting point and confirm with your freight forwarder and customs broker for your specific shipment and route.
FAQ
Common questions
Yes. Ask and we will send the current Safety Data Sheet so your HSE and compliance team can review it before you commit to anything.
Yes. Every consignment ships with a CoA tied to the actual production batch, not a generic specification sheet.
Commonly 2827.32, though classification depends on the exact formulation and destination country. Confirm with your customs broker before filing, since a wrong code causes clearance delays.
Liquid PAC is generally classified as a Class 8 corrosive. Solid grades vary by formulation. The batch SDS carries the authoritative classification for your shipment.
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