In the sterile, humming environment of the Midland Water Treatment Plant, Nalco 77352 was known as "The Guardian." It wasn't a person, but a high-performance coagulant—a chemical specialized in turning murky, sediment-filled water into something crystal clear.
One Tuesday morning, a rookie technician named Elias was tasked with the routine inventory check. He found the familiar blue drum of Nalco 77352, but as a safety-first worker, he didn't just move it; he pulled up the Safety Data Sheet (SDS).
As Elias read through the document, the "story" of the chemical unfolded:
The Identity: He confirmed it was a cationic polyelectrolyte, designed specifically to bind tiny particles together so they could be filtered out.
The Caution: The SDS warned him that while it was a hero for water, it was a "slip hazard" on the floor. If spilled, the concentrated liquid would become as slick as ice—a hidden trap for the unwary.
The Protection: He noted the requirement for nitrile gloves and safety goggles. Nalco 77352 was powerful, and the SDS made it clear that while it cleaned the city's water, it shouldn't meet his skin or eyes.
The Environmental Pact: Finally, the sheet reminded him that though it helps treat water, the concentrated form should never be released directly into nature.
Elias closed the SDS folder, donned his gear, and handled the drum with newfound respect. Thanks to the "story" told by the SDS, the plant stayed safe, the water stayed clean, and the "Guardian" did its job without a single slip.
This blog post provides a breakdown of the Safety Data Sheet (SDS) for NALCO 77352, a broad-spectrum, non-oxidizing biocide designed for industrial water systems.
Navigating the NALCO 77352 SDS: Safety and Application Guide
Whether you are managing a cooling tower or a closed-loop system, understanding the safety profile of your biocides is critical. NALCO 77352 is a powerful tool for controlling microorganisms, but its chemical potency requires strict adherence to safety protocols. What is NALCO 77352?
NALCO 77352 is a biocide blend featuring Isothiazolin-3-one agents. It is used to prevent microbiological growth and fouling in cooling water and related systems, helping maintain heat transfer efficiency and preventing microbial corrosion. Notably, it is copper-free, making it safe for use in systems where copper content must be strictly controlled. Key Safety Highlights from the SDS
The Safety Data Sheet (SDS) categorizes this chemical as highly hazardous if handled improperly. Key warnings include:
Corrosive Nature: It causes irreversible eye damage and severe skin burns.
Acute Toxicity: It is harmful if swallowed, inhaled, or absorbed through the skin. Sensitization: Contact may cause an allergic skin reaction.
Environmental Impact: It is very toxic to aquatic life; spills must be strictly contained. Essential Protective Measures
To stay safe while handling NALCO 77352, the following OSHA-standard precautions should be observed:
Personal Protective Equipment (PPE): Always wear chemical-resistant rubber gloves and a full face shield or goggles.
Ventilation: Use only in areas with adequate airflow to avoid breathing in vapors or mist.
Hygiene: Wash hands thoroughly after handling and keep the chemical away from food contamination. Handling and Storage (Section 7)
According to the NALCO 77352 safety guidelines, proper storage is vital to prevent accidents:
Containment: Keep containers tightly closed and stored in properly labeled, suitable containers.
Access: Store out of reach of children and only allow trained personnel to handle the product.
Stability: While not flammable, it can evolve toxic gases like hydrogen chloride (HCl) and oxides of nitrogen or sulfur under fire conditions. Emergency Response
If a spill occurs, refer to Section 6 of your SDS for accidental release measures. For chemical emergencies in the U.S., you can contact CHEMTREC at (800) 424-9300.
For more detailed technical specifications or to obtain a full copy of the SDS, visit the Ecolab/Nalco Water SDS portal. Safety Data Sheets - SDS - MSDS - Ecolab
The Nalco 77352 SDS is not just a dusty binder document. It is a legal and practical lifeline. Under regulations like OSHA’s Hazard Communication Standard (29 CFR 1910.1200), chemical manufacturers are required to provide an SDS for any hazardous chemical they sell. As an end user, you must have immediate access to it. nalco 77352 sds
For Nalco 77352 specifically, the SDS answers critical questions:
Without the current, authorized SDS, your facility is non-compliant and—more importantly—dangerously uninformed.
If you are building a software tool to manage this product, here are features relevant to Nalco 77352:
Disclaimer: Nalco 77352 is a chemical product. Always consult the official Safety Data Sheet (SDS) and local regulations before handling or implementation. The features above describe the typical application of neutralizing amines in boiler water treatment.
NALCO 77352 is a broad-spectrum, non-oxidizing biocide manufactured by
. It is primarily used to control microorganisms like bacteria and algae in industrial water systems, including open recirculating cooling systems, process water, and brewery pasteurizers. turquoise-az.com 1. Hazard Identification
According to the Safety Data Sheet (SDS), NALCO 77352 is classified as a hazardous chemical with the following risks: Health Hazards : May be harmful if swallowed or inhaled. It causes skin irritation serious eye irritation . It can also cause an allergic skin reaction. Physical Hazards non-flammable and non-combustible. Environmental Hazards toxic to aquatic life
and can cause long-lasting harmful effects in water environments. files.dep.state.pa.us 2. Composition & Ingredients The product is a liquid blend containing: Active Ingredients
: A mixture of 5-chloro-2-methyl-2H-isothiazol-3-one and 2-methyl-2H-isothiazol-3-one (CMIT/MIT) at 1–5% concentration. Stabilizers/Salts
: Magnesium Nitrate (1–5%) and Magnesium Chloride (1–5%).
: The stabilizer does not contain copper, making it safe for use in closed-loop systems where copper accumulation is a concern. turquoise-az.com 3. Physical & Chemical Properties Form/Color : Yellow liquid with a pungent odor. : 2.0 to 5.0 (acidic). : Approximately 1.02 g/cm³ (8.5 lb/gal). Solubility : Completely soluble in water. Boiling Point : 100°C (212°F). files.dep.state.pa.us 4. Handling, Storage, & First Aid Protective Equipment (PPE)
: Use nitrile or butyl rubber gloves, safety goggles, and a face shield. Ensure adequate ventilation; a respirator with an A-P filter may be required if vapors are present.
: Keep in a cool, well-ventilated place in original labeled containers. Storage for more than is not recommended. Incompatible Materials
: Avoid contact with strong alkalies (like ammonia or caustic soda), as this may generate heat and toxic vapors.
: Flush with water for at least 15 minutes and seek medical attention. : Rinse mouth with water. Do NOT induce vomiting unless directed by medical personnel. files.dep.state.pa.us 5. Accidental Release & Disposal
Small spills should be contained with absorbent material like sand or earth. A deactivation solution
(5% sodium bicarbonate and 5% sodium hypochlorite) can be used to treat residual spills. Disposal must follow local regulations and occur at an approved waste facility.
For the most up-to-date and region-specific version, you can request an SDS directly through the Ecolab SDS portal dosage rates for specific industrial systems or information on material compatibility for your equipment? NALCO® 77352NA
Before you open that drum, ensure your team has verified the following from the current SDS:
Bottom Line: Do not handle NALCO 77352 based on memory or a generic water treatment template. Get the official SDS from Ecolab/Nalco directly.
Have a safety tip for handling Nalco products? Let us know in the comments below.
Nalco 77352 liquid oxygen scavenger and metal passivator based on carbohydrazide
, typically used in boiler water systems to prevent corrosion
. Below is a summary of the content typically found in its Safety Data Sheet (SDS). 1. Product Identification Product Name: Nalco 77352
Oxygen scavenger / Corrosion inhibitor for boiler water treatment. Nalco Water, an Ecolab Company. 2. Hazards Identification Classification: Skin Sensitization (Category 1) Chronic Aquatic Toxicity (Category 2) Signal Word: Hazard Statements: May cause an allergic skin reaction. Toxic to aquatic life with long-lasting effects. Precautionary Statements:
Avoid breathing dust/fume/gas/mist/vapors/spray. Wear protective gloves and eye protection. 3. Composition/Information on Ingredients Main Active Ingredient: Carbohydrazide (CAS No: 497-18-7) Concentration: In the sterile, humming environment of the Midland
Typically 1% – 5% (Check specific SDS version for exact concentration). 4. First-Aid Measures
Rinse immediately with plenty of water for at least 15 minutes. Seek medical attention if irritation persists.
Wash off immediately with soap and plenty of water. Remove contaminated clothing. If a rash occurs, seek medical advice. Inhalation: Move to fresh air. Treat symptomatically. Ingestion:
Rinse mouth. Do NOT induce vomiting. Seek medical attention if symptoms develop. 5. Fire-Fighting Measures Extinguishing Media: Use water spray, foam, or dry chemical. Special Hazards:
Thermal decomposition can lead to the release of irritating gases and vapors, including nitrogen oxides ( cap N cap O sub x ) and carbon oxides. 6. Accidental Release Measures Personal Precautions:
Use personal protective equipment (PPE). Stop leak if safe to do so. Environmental Precautions:
Prevent discharge into lakes, streams, or ponds as it is toxic to aquatic life.
Soak up with inert absorbent material (e.g., sand, silica gel). Flush the area with water after collection. 7. Handling and Storage
Use in well-ventilated areas. Wash hands thoroughly after handling.
Keep container tightly closed in a dry, cool, and well-ventilated place. Keep from freezing. 8. Physical and Chemical Properties Physical State: Clear, colorless to light yellow 8.0 – 9.0 (approximate) Specific Gravity: Solubility: Completely soluble in water 9. Stability and Reactivity Stability: Stable under normal conditions. Incompatible Materials: Strong oxidizing agents, strong acids. Hazardous Decomposition: Oxides of carbon and nitrogen. 10. Ecological Information Ecotoxicity:
This product is classified as toxic to aquatic organisms. It should not be released directly into the environment without treatment.
Product Name: NALCO 77352
Product Description: NALCO 77352 is a chemical product manufactured by Ecolab, a leading provider of water, hygiene, and energy technologies and services. The product is likely a water treatment chemical used in various industrial applications.
SDS Overview:
The Safety Data Sheet (SDS) for NALCO 77352 provides critical information on the safe handling, use, storage, and disposal of the product. The SDS is designed to communicate hazards and precautions for the product to ensure the health and safety of workers, users, and the environment.
Hazard Identification:
According to the SDS, NALCO 77352 is classified as a hazardous product due to its potential to cause eye and skin irritation, as well as its potential to be toxic if ingested.
Composition/Ingredients:
The SDS lists the following ingredients:
First Aid Measures:
The SDS provides the following first aid recommendations:
Fire-Fighting Measures:
In case of a fire, use:
Accidental Release Measures:
In case of a spill or leak:
Handling and Storage:
Exposure Controls/Personal Protection:
Toxicological Information:
The SDS provides information on the product's toxicity:
Ecological Information:
The SDS provides information on the product's environmental impact:
Disposal Considerations:
Dispose of waste according to local regulations.
Transport Information:
The SDS provides information on the product's transportation requirements:
Regulatory Information:
The SDS provides information on the product's regulatory requirements:
Other Information:
It's essential to note that this report is based on the SDS for NALCO 77352 and should not be used as a substitute for the actual SDS. Users should consult the SDS provided by the manufacturer or supplier for the most up-to-date information on the safe handling, use, storage, and disposal of the product.
This report provides a comprehensive overview of the NALCO 77352
Safety Data Sheet (SDS), focusing on its chemical properties, critical hazards, and safety protocols for industrial applications. Product Overview NALCO 77352 is a broad-spectrum, non-oxidizing biocide developed by
for controlling microbiological growth in industrial water systems. It is specifically designed to be effective even at higher pH values, helping to maintain system efficiency and prevent microbial corrosion. turquoise-az.com Primary Uses
: Open and closed-loop cooling systems, process water systems, air washers, and brewery pasteurizers. Key Advantage : Unlike some biocides, its stabilizer does not contain copper
, making it safe for use in closed-loop systems without increasing copper content. turquoise-az.com Hazard Identification NALCO 77352 is classified as a corrosive chemical
. Due to its high toxicity, strict adherence to safety protocols is mandatory. Health Hazards
: Corrosive; causes irreversible eye damage and permanent tissue damage. : Causes severe skin burns and may cause allergic skin reactions Inhalation/Ingestion
: Harmful if inhaled or swallowed; inhalation may cause irritation to the respiratory system. Environmental Impact
: Very toxic to aquatic organisms with potential long-lasting effects. files.dep.state.pa.us Chemical Composition The product is a blend of isothiazolinone biocidal agents. Key hazardous ingredients include: Lenntech Water treatment 5-Chloro-2-methyl-4-isothiazolin-3-one 2-Methyl-4-isothiazolin-3-one Magnesium Nitrate files.dep.state.pa.us Physical & Chemical Properties
NALCO 77352NA Safety Data Sheet | PDF | Fires | Poison - Scribd
Disclaimer: The following information is based on standard data available for Nalco 77352 (typically identified as a corrosion inhibitor). This document is for informational purposes only and is not a substitute for the official Safety Data Sheet (SDS) provided by the manufacturer (Ecolab/Nalco). Always consult the official SDS and product label before handling.
A: No. While similar, the numeric suffix indicates different concentration strengths or additive packages (e.g., 77350 may lack a specific biocide). Never substitute based on name alone; always cross-reference SDS and PDS (Product Data Sheet).
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. Why the SDS is Non-Negotiable for 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).