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Understanding the Nalco 77352 Safety Data Sheet (SDS) NALCO 77352 is a proprietary, broad-spectrum, non-oxidizing biocide designed to control bacteria, algae, and fungi in industrial water systems. Often referred to as NALCO 77352NA , this chemical is essential for maintaining heat transfer efficiency and preventing biofouling in systems like cooling towers and brewery pasteurizers. The following comprehensive guide summarizes the critical information found in the Nalco 77352 Safety Data Sheet (SDS), including its chemical composition, handling requirements, and safety protocols. Product Identification and Composition Nalco 77352 is manufactured by Ecolab and is primarily used as a liquid biocide for industrial and professional applications. Active Ingredients : The product is a blend of Isothiazolin-3-one biocidal agents, specifically: 5-chloro-2-methyl-2H-isothiazol-3-one and 2-methyl-2H-isothiazol-3-one (3:1 mixture). Other Components : Includes Magnesium Nitrate and Magnesium Chloride , which act as stabilizers. Physical State : A clear, yellow liquid with a pungent odor. Hazard Identification Nalco 77352 is classified as a hazardous, corrosive material, bearing a "Warning" signal word. Health Hazards : Causes severe skin burns and irreversible eye damage. It may cause allergic skin reactions and is harmful if swallowed or inhaled. Environmental Hazards : Toxic to aquatic life with long-lasting effects. Physical and Chemical Properties Key characteristics include an acidic pH (2.0 – 5.0), a specific gravity of 1.01 – 1.03, and complete solubility in water. It is a yellow liquid with a freezing point of -3°C and a boiling point of 100°C. NALCO 77352 - Turquoise

Nalco 77352 SDS: Essential Safety, Handling, and Compliance Guide Safety Data Sheet (SDS) management is a cornerstone of industrial compliance. For facilities using water treatment chemicals, locating, understanding, and implementing the guidelines within a product’s SDS is not just a regulatory requirement—it is a critical operational necessity. One product that frequently appears in cooling towers, boilers, and recirculating water systems is Nalco 77352 . If you have searched for the Nalco 77352 SDS , you are likely a safety professional, maintenance engineer, or procurement specialist needing immediate, accurate information regarding hazard identification, first-aid measures, handling protocols, and regulatory data. This comprehensive guide consolidates the critical details you need to maintain a safe workplace and comply with OSHA’s Hazard Communication Standard (29 CFR 1910.1200). What is Nalco 77352? Before diving into the specifics of the SDS, it is vital to understand the product chemistry. Nalco 77352 is a proprietary water treatment chemical manufactured by Ecolab’s Nalco Water division. While the exact proprietary blend is confidential, generic classifications place this product in the category of scale and corrosion inhibitors —typically a liquid formulation containing organic azoles, phosphonates, and neutralizing amines. Common Applications:

Cooling Towers: Prevents scaling from calcium carbonate and controls general corrosion of mild steel, copper, and copper alloys. Closed Loop Systems: Protects chilled water and hot water heating loops. Industrial Boilers: Acts as an oxygen scavenger and condensate line treatment (specific variant depending on concentration).

Critical Note: Always verify the specific product label. Nalco uses numeric codes for different regional formulations. The "77352" code typically refers to a drum or tote quantity of a specific inhibitor. Do not confuse it with similar codes like 77350 or 77355. nalco 77352 sds

Why the SDS is Non-Negotiable for Nalco 77352 Water treatment chemicals are regulated under the Toxic Substances Control Act (TSCA) in the U.S. and REACH in Europe. Without the current SDS:

OSHA Citations: You can face fines for failing to provide accessible hazard information. Worker Injury: Incorrect handling can lead to chemical burns, respiratory issues, or environmental spills. Insurance Voids: Many industrial liability policies require documented SDS training and availability.

Section-by-Section Breakdown of Nalco 77352 SDS Based on the most recent version of the Nalco 77352 SDS (revision date ~2023-2024), here are the critical sections every user must understand. Section 1: Identification Understanding the Nalco 77352 Safety Data Sheet (SDS)

Product Identifier: Nalco 77352 Manufacturer: Nalco Water (An Ecolab Company) Emergency Phone Number: (800) 424-9300 (CHEMTREC – 24/7) Recommended Use: Corrosion inhibitor for industrial water systems.

Section 2: Hazard Identification (The Most Critical Section) According to the GHS (Globally Harmonized System), Nalco 77352 is typically classified as:

H315: Causes skin irritation. H319: Causes serious eye irritation. H317: May cause an allergic skin reaction. (Due to azole content) H412: Harmful to aquatic life with long-lasting effects. Physical State : A clear, yellow liquid with a pungent odor

Signal Word: WARNING (This is less severe than “DANGER,” but does not mean the product is safe.) Precautionary Statements:

P280: Wear protective gloves/eye protection. P302+P352: IF ON SKIN: Wash with plenty of water. P333+P313: If skin irritation or rash occurs: Get medical advice.