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Safety Data Sheet Overview: NALCO™ 3DT449 Section 1: Product and Company Identification Product Details NALCO™ 3DT449 Description: Cooling water treatment Primary Function: Scale and corrosion inhibitor Manufacturer: Nalco Water, an Ecolab Company Emergency Contact: 1-800-424-9300 (CHEMTREC) Section 2: Hazards Identification GHS Classification Skin Corrosion: Category 1C Serious Eye Damage: Category 1 Corrosive to Metals: Category 1 Hazard Statements Causes severe skin burns. Causes serious eye damage. May be corrosive to metals. Precautionary Statements Wear protective gloves and clothing. Wear eye and face protection. Keep only in original container. Do not breathe mists or vapors. Section 3: Composition and Ingredients Key Chemical Components Phosphoric Acid: Active corrosion inhibitor Organic Phosphonates: Scale control agents Acrylic Polymers: Dispersants for solids Water: Inert carrier matrix Section 4: First-Aid Measures Immediate Interventions

Avoid dispersal of spilled material and runoff and contact with soil, waterways, drains, and sewers.

: Designed for use in cooling towers, boilers, and heat exchangers to prevent mineral deposits and metal corrosion. Technology : Integrated with 3D TRASAR™ technology nalco 3dt 449 msds new

Rinse mouth and call a poison center or doctor immediately. 📦 Storage & Handling 3D TRASAR™ 3DT449

Nalco 3DT 449 is an industrial chemical product used in water treatment and process-control applications. Because such products can present health, safety and environmental risks if mishandled, reviewing the Material Safety Data Sheet (MSDS — now commonly called Safety Data Sheet or SDS) is essential for facilities, safety officers and workers who handle or store it. Below is a concise, user-facing summary you can use as a blog post to inform readers about the MSDS for Nalco 3DT 449 and key safety takeaways. Safety Data Sheet Overview: NALCO™ 3DT449 Section 1:

Firefighters must wear a self-contained breathing apparatus (SCBA) and full protective bunker gear. 6. Accidental Release Measures Personal Precautions Evacuate unnecessary personnel.

| Chemical Name | CAS Number | Weight % | GHS Hazards | | --- | --- | --- | --- | | Phosphonic acid, [(nitrilotris(methylene))tris- | 6419-19-8 | 5-10% | Eye Dam. 1 | | Proprietary Acrylic Copolymer | Proprietary | 15-25% | Skin Irrit. 2 | | Sodium Hydroxide (pH adjuster) | 1310-73-2 | 1-3% | Skin Corr. 1A | Precautionary Statements Wear protective gloves and clothing

: No health injuries are known or expected under normal use.

May cause severe skin burns and serious eye damage .

If you cannot find a revision date within the last 3 years, contact your Ecolab representative immediately. Your safety—and your compliance—depend on having the "new" data, not the old file.