The update includes a new acute inhalation study (rat, 4-hour exposure). The LC50 value has been lowered from >5 mg/L to 2.1 mg/L, triggering the respiratory sensitization warning.
Under OSHA’s Hazard Communication Standard (29 CFR 1910.1200), employers must maintain an updated SDS for each hazardous chemical in the workplace. Failure to replace the old Nalco 77225 SDS with the Nalco 77225 safety data sheet updated version can result in:
Additionally, facilities subject to EPA’s Risk Management Plan (RMP) or local fire codes must reassess their process hazard analysis based on the new data. nalco 77225 safety data sheet updated
Conduct a 30-minute refresher training covering:
7.1 Precautions for Safe Handling
7.2 Conditions for Safe Storage, Including Any Incompatibilities
Date: May 2, 2026 | Chemical Safety Bulletin The update includes a new acute inhalation study
In the rapidly evolving landscape of industrial water treatment, timely access to updated safety documentation is not just a best practice—it is a legal mandate. If you have searched for the phrase "Nalco 77225 safety data sheet updated", you are likely aware that Ecolab’s Nalco Water division has recently released a significant revision to the SDS for their popular cooling water treatment chemical, Nalco® 77225.
This article provides a comprehensive breakdown of what has changed, why it matters, and how to stay compliant with OSHA’s Hazard Communication Standard (29 CFR 1910.1200) and GHS Rev. 7/8/9 guidelines. Conduct a 30-minute refresher training covering:
7
