Nalco 93033 Msds ~upd~ May 2026
Nalco 93033 is a specialized water treatment chemical, primarily used as an oxidizing biocide to control microbial growth in industrial cooling systems and boilers. It is often sold as part of "Easy-Kits" for laser and machine cooling circuits. Product Overview Primary Function: Oxidizing biocide used for disinfection.
Active Chemistry: Based on sodium hypochlorite or bromide mixtures, depending on the specific regional formulation.
NSF Registration: It is NSF-registered (Category G7), meaning it is acceptable for treating cooling systems or boilers where the treated water or steam does not contact edible products in food processing areas. Safety & Hazards (MSDS Summary)
The following details are based on standard Safety Data Sheets (SDS) for this product line:
6. Conclusion
NALCO 93033 is an effective, moderately hazardous water treatment chemical. Its SDS reveals that eye protection is non-negotiable and spill containment is mandatory. By integrating this SDS into your Hazard Communication Program (HAZCOM), training sessions, and work instructions, you protect both personnel and regulatory standing.
Final recommendation: Review your SDS library every 6 months. For NALCO 93033, always verify the document date – look for “Revision Date” – and replace any copy older than 3 years.
Disclaimer: This write-up is for informational purposes only and does not substitute for the official SDS provided by the manufacturer. Always read and follow the current, region-specific Safety Data Sheet before handling, storing, or disposing of any chemical product.
Section 15: Regulatory Information
- TSCA (US): All components are listed on the TSCA inventory.
- EPA FIFRA: If registered as a pesticide antimicrobial, relevant registration numbers appear.
- SARA 313: May require reporting if specific ingredients exceed de minimis levels.
- CERCLA/RCRA: Spills above reportable quantity (RQ) may require immediate notification.
Section 9: Physical and Chemical Properties
- Appearance: Liquid, varying color.
- Odor: Mild, characteristic.
- pH: 1.5 – 3.0 (concentrated).
- Boiling point: ~100°C (water-based).
- Density: ~9.6 lb/gal (US).
- Viscosity: Low to medium.
Short story — "93033"
The clerk found the lone roll of paper tucked behind a row of faded binders in the safety office. The label read only "93033" in blocky marker. He had no business opening it, and yet the warehouse smelled of hot metal and a Sunday calm that made curiosity feel less like a sin.
He unrolled the paper at the lone table under the hum of a fluorescent light. Text and icons marched across the sheet—hazard diamonds, precautionary phrases, a table of properties, emergency numbers. An MSDS, he realized: for something called Nalco 93033. He knew the plant used dozens of chemicals, some with prettier names and others spoken about in the same quiet tone people used for bad weather.
He read the composition: obscure trade names, percentages, streams of words that implied both utility and risk. A line caught his eye: "Keep away from ignition sources." Another: "Suitable extinguishing media: carbon dioxide, dry powder." The document listed first-aid steps that felt like spellbook verses—"If inhaled, move to fresh air. If skin contact, wash thoroughly with water." There were diagrams of protective gloves and goggles, silhouettes of people in respirators. The paper smelled faintly of oil and old printer toner.
Across the top, stamped faintly in blue ink, was a handwritten note: "Do not ship without authorization — consult Safety." The clerk imagined a foreman in a rumpled vest, the foreman’s coffee-stained hands flipping through the same sentences and nodding like a man keeping a stubborn ledger against accidents. nalco 93033 msds
Night turned the fluorescent hum into a companion. He kept reading. Beneath the technical tables, a small section listed environmental precautions—what to do if the substance entered drains or soil. The phrasing was precise and unblinking: "Prevent further leakage if safe to do so." It didn't tell you when something was too dangerous to try to stop; it only told you what to do if you could.
A memory surfaced—his brother’s fingertips stained with chemical dye, the way he had waved them away as if color could be scrubbed from life as easily as from skin. He thought of the men who welded and patched the boilers, who had learned their trade by watching and by paying attention to the small, almost invisible protocols that kept fire and fog at bay.
The clerk rolled the MSDS closed and slid it into his jacket. He didn't mean to steal it. He meant to learn. Safety, he told himself, belonged to everyone who walked those aisles.
That night he read through references online—the regulatory codes, the hazmat guidance—but it was the small, human lines on the sheet that stayed with him: the emergency phone numbers, the name of a site supervisor, a reminder to "Record all exposures." Those were the parts written for messier things than hazard classifications: for people.
He brought the MSDS to the foreman the next morning. The foreman scanned it, then closed his eyes for a second, thinking maybe of a near-miss from years ago when a spark had found a puddle where it shouldn't have been.
"Good catch," the foreman said. "We update this and run another training." He tapped a line where an old phone number had been crossed out and scribbled in the new one. "We'd rather be boring and safe than sorry and loud."
They scheduled the training for Friday at dawn, when most hands were in the yard and the plant doors still smelled of morning. The clerk stood in the back, watching the crew as the safety coordinator flipped through slides that sounded lifted verbatim from the MSDS: hazards, personal protective equipment, spill response. In the quiet moments he watched the men, their faces half-lit by the projector, read the same human lines he had found—emergency numbers, first aid steps—and felt a small, steadying relief.
Weeks later, when a small leak appeared on a feed line, the response was the kind the MSDS had promised. Gloves, a spill kit, the right extinguisher chosen without debate. Someone called the number on the paper and spoke calmly into the receiver. No panic, no improvisation—just practiced steps, the kind that reduce the chance that an accident becomes a story you tell in the bar downstairs.
The clerk kept a copy of 93033 in his locker, not out of superstition but because it was a map of contingencies—an imprint of how things could go wrong and the steps that could keep them from doing so. He never used it in an emergency, but sometimes he would take it out and trace the hazard diamonds with his thumb until the edges of the paper were soft.
On slow nights he would imagine the naming of things: how an index number like 93033 could become an instruction, a set of handholds in a dark climb. He thought of the people who wrote the sheets, the technicians and regulators who tried to translate danger into language and diagrams. It wasn't perfect. Nothing about risk is perfect. But it was a conversation that had been written down—an invitation to pay attention. Nalco 93033 is a specialized water treatment chemical,
When new hires came through, he would show them the MSDS and say, "Read it. It tells you how to come home." They would laugh, embarrassed by the earnestness, and take the paper anyway. Later, they would call out a checklist without thinking—gloves, goggles, shutdown sequence—and he would see the safety language sink into action.
The document named a chemical and framed it with precautions. Over time it became a small rite of care. Not all stories end with neat safety audits and minor leaks handled well. But for that plant, for the crew who learned the language of 93033, it became a quiet pact: names and numbers, instructions and diagrams, a way to keep the ordinary work from tilting into tragedy.
On his last day at the plant, the clerk left the original MSDS in the safety office, tucked more visibly on the binder shelf. He pinned a new copy in the breakroom by the time clock, a small note folded into the corner: "Read before you start." It was a simple ask. Years later, someone would tell another new hire about the mysterious roll of paper found behind the binders and how a clerk had once turned it into a practice that saved a shift from going wrong. The number 93033 would remain, a dry code on a white sheet, and something quieter—a shared set of actions—would persist with it.
The Nalco 93033 Safety Data Sheet (SDS), formerly known as a Material Safety Data Sheet (MSDS), provides critical information for the safe handling, storage, and emergency response for this cooling water additive. Product Overview and Usage
Nalco 93033 is a chemical treatment primarily used for the commissioning and maintenance of cooling water circuits. It is designed to protect systems—particularly those containing aluminum or copper—from corrosion and scaling.
NSF Registration: It is registered with NSF International (Category G7), meaning it is acceptable for use in boilers, steam lines, and cooling systems where the treated water or steam does not contact edible products.
Target Industries: Common applications include commercial buildings, data centers, and various industrial manufacturing facilities. Hazard Identification
According to the safety profile for this class of chemicals, Nalco 93033 is classified as a hazardous substance with several key warnings:
Irritation: It is a known irritant to both the skin and eyes.
Combustibility: The product is combustible and should be kept away from open flames and high heat. Final recommendation: Review your SDS library every 6 months
Inhalation Risks: Prolonged inhalation of vapors may be harmful and can lead to central nervous system depression, dizziness, or nausea. Safety and Handling Precautions
To minimize risk when working with Nalco 93033, the following measures are recommended:
Personal Protective Equipment (PPE): Always wear goggles and a face shield when handling the product to prevent eye contact. Chemical-resistant gloves should also be used.
Ventilation: Ensure the product is used in a well-ventilated area to avoid the buildup of harmful vapors.
Hygiene: Wash hands thoroughly after handling and do not eat, drink, or smoke in the storage or handling areas. Storage Guidelines
Proper storage is essential for maintaining product efficacy and safety:
Temperature Control: Nalco 93033 has a shelf life of one year when stored at a maximum temperature of 25°C (77°F).
Compatibility: It belongs to a specific storage group (often Group A for engine/cooling treatments) and should be kept away from incompatible chemicals like acids or biocides.
Container Maintenance: Keep containers tightly closed when not in use. Protect the product from freezing and direct sunlight. Emergency Response
In the event of an accident, follow these first-aid and environmental procedures: Nalco 93033 Chemical Treatment Overview | PDF - Scribd