Nalco 77352 Msds -

| Hazard Class | Category | Statement | |--------------|-----------|------------| | | Category 2 | Causes skin irritation | | Eye damage/irritation | Category 1 | Causes serious eye damage | | Specific target organ toxicity – single exposure | Category 3 (respiratory) | May cause respiratory irritation | | Acute aquatic toxicity | Category 2/3 | Toxic to aquatic life |

1. Product Identity & Functional Classification Product Name: NALCO 77352 Manufacturer: Nalco Water (An Ecolab Company) Product Type: Cooling water treatment chemical / Scale and deposit control agent. Typical Appearance: Clear to hazy, colorless to pale amber liquid. Odor: Mild acrylic or ammonia-like odor (depending on pH adjustment). nalco 77352 msds

| Component (Chemical Family) | CAS Number (example) | Typical % | Hazard Role | |-----------------------------|----------------------|-----------|--------------| | Phosphonocarboxylic acid (PBTC) | 37971-36-1 | 10–30% | Scale inhibitor | | Acrylic acid/AMPS copolymer | 40623-75-4 | 5–15% | Dispersant | | Tolyltriazole (TTA) | 29385-43-1 | 1–5% | Copper corrosion inhibitor | | Sodium hydroxide (pH adjuster) | 1310-73-2 | 0.5–2% | Alkalinity control | | Water | 7732-18-5 | Balance | Solvent | of: Heavy metals (lead, chromium, arsenic), volatile organic compounds (VOCs), asbestos, PCB, or regulated carcinogens (IARC 1, 2A). 4. First-Aid Measures – Critical Actions | Exposure Route | Immediate Response | |----------------|--------------------| | Eye contact | Immediate 15–20 min rinse with clean water, lifting lids. Seek ophthalmologic care. Irreversible corneal damage possible if delayed. | | Skin contact | Wash with soap and water. Remove contaminated clothing. If redness/pain persists, consult physician. | | Inhalation | Move to fresh air. If breathing difficult, administer oxygen. If stopped, give artificial respiration. | | Ingestion | Do NOT induce vomiting (may cause aspiration pneumonia due to hydrocarbons/polymers). Rinse mouth. Give water if conscious. Immediate medical attention. | | Hazard Class | Category | Statement |