The SDS identifies several critical health risks associated with exposure to Nalco 77352:

is a proprietary, non-oxidizing biocide designed to control bacteria, fungi, and algae in industrial water systems. It is a blend of Isothiazolin-3-one

Used for industrial cooling tower water treatment.

Prevents scale buildup and corrosion in high-pressure boiler systems.

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Biocides are essential for controlling microbial growth in industrial water systems, but effective water treatment chemistry management begins with safety. This is why understanding the —now formally known as the Safety Data Sheet (SDS) —is essential for any operator, safety manager, or environmental professional. While Nalco, now an Ecolab company, is a global leader in water treatment, no industrial chemical should be used without first consulting its official safety documentation. This article provides a comprehensive safety overview of Nalco 77352 based on publicly available technical data, regulatory filings, and application guidelines, serving as a preparatory reference until the latest official SDS can be obtained from the manufacturer.

Avoid direct contact with skin and eyes. Do not breathe vapors, mists, or sprays. Use only in well-ventilated operational zones. Keep eating and drinking away from chemical application areas.

: Aluminum, brass, and carbon steel should not come into contact with the neat (undiluted) product.

is a highly potent, broad-spectrum non-oxidizing biocide formulated specifically to control microbial growth in industrial water treatment systems. Manufactured by Nalco Water (an Ecolab company), this specialty chemical is vital for preventing biofouling, slime accumulation, and microbiologically influenced corrosion (MIC) in cooling towers and closed-loop systems.

If you have questions about the or compatibility with your equipment , I can help you find that in the documentation. files.dep.state.pa.us NALCO® 77352NA

is a high-performance, broad-spectrum, non-oxidizing biocide formulated by Ecolab to control microbial growth, bio-fouling, and fungi in industrial water environments. It is primarily utilized in industrial open and recirculating cooling systems, closed-loop cooling towers, and data center water cooling loops.

Functions as a coagulant or flocculent aid to clarify industrial effluent before discharge. Core Sections of the Nalco 77352 MSDS/SDS

This report summarizes the safety, handling, and hazard information for (also referred to as EC73352A ). This product is a corrosion inhibitor commonly used in industrial water treatment applications, specifically for closed-loop recirculating systems.

The product can typically be stored for at least 12 months from the date of shipping if kept in its original, unopened container.

For reference, here is some general information about Nalco 77352:

is a chemical treatment solution designed primarily for industrial boiler systems. While specific formulations are proprietary to Nalco/Ecolab, product codes in the 77000 series are typically associated with oxygen scavenging and metal passivation to prevent corrosion in feedwater tanks and boiler internals.

To maintain product integrity and site safety, follow these MSDS-recommended guidelines: Closed System Feeding