Nalco 9916 (Optimer 9916) is a high-molecular-weight, cationic polyacrylamide flocculant designed for sludge dewatering, clarification, and raw water treatment in industrial and municipal applications. It is a powder that poses skin and eye irritation risks, requires robust personal protective equipment (PPE), and is highly slippery when wet. For official safety documentation, you should always consult the specific SDS provided by Ecolab/Nalco Water for your region. Safety Data Sheets - SDS - MSDS - Ecolab
| Chemical Substance | CAS Number | Typical % (Trade Secret Range) | Role | | :--- | :--- | :--- | :--- | | Phosphonic acid derivatives | Proprietary | 10–30% | Scale inhibitor | | Polymeric dispersant | Proprietary | 5–15% | Deposit control | | Inorganic zinc/copper salts (possible) | Varies | 1–5% | Corrosion inhibitor | | Sodium hydroxide (pH adjuster) | 1310-73-2 | <1% | Stabilizer | | Water | 7732-18-5 | Balance | Solvent | Nalco 9916 Msds
Employed in primary and secondary clarifiers and flotation devices to separate liquid from solids. Sludge Dewatering: Safety Data Sheets - SDS - MSDS -