The safety data sheet (SDS) for Nalco 77225 , an alkaline internal boiler feedwater treatment, was last updated on August 10, 2018 . This update includes a revised GHS Classification for health and environmental hazards. Draft Post: Safety Update for Nalco 77225
Important Safety Update: New SDS for Nalco 77225 Boiler Treatment We have updated the Safety Data Sheet (SDS) for Nalco 77225
, our phosphate and polymer-based internal boiler treatment. This product is primarily used for scale control in boilers operating at pressures up to 40 barg. Key Safety Highlights from the 2018 Revision: Classification: It is classified as Corrosive to Metals (Category 1) and causes Severe Skin Burns and Eye Damage (Category 1) Personal Protective Equipment (PPE): Safety goggles, a face shield, and protective clothing are when handling. First Aid:
In case of skin or eye contact, rinse immediately with plenty of water for at least 15 minutes and seek medical attention.
Store in corrosive-resistant containers away from strong acids. The maximum storage temperature is 65°C (149°F) Regulatory Status:
Remains compliant with FDA 21 CFR 173.310 for boiler water additives where steam may contact food. Next Steps:
Please ensure that all site personnel have access to the latest version. You can request the full digital PDF via the Ecolab SDS Request Form or by contacting your local Nalco representative. for your region in this draft? Nalco 77225 Internal Boiler Treatment | PDF - Scribd
Safety Data Sheets (SDS) are critical documents for workplace safety, providing detailed information on chemical hazards, handling, and emergency measures. While Nalco Water (an Ecolab company) maintains an extensive database of these documents, specific sheets like the one for Nalco 77225 may not always be publicly available online and often require direct access through their customer portals or official support channels. Accessing the Nalco 77225
If you are looking for the most recent version of the SDS for Nalco 77225, you should use the following official resources: nalco 77225 safety data sheet updated
Ecolab SDS Search Portal: You can search for chemical safety documents directly on the Ecolab SDS portal.
Customer Support: For specific product updates or if a document is missing from the portal, contact Nalco Water customer service at 1-800-288-0879.
Emergency Contact: In the event of a chemical emergency, spill, or accident, do not wait for an SDS update; call the local emergency number provided on your product packaging or the Ecolab Emergency page. Understanding SDS Updates
Standard safety protocols and regulations like OSHA’s Hazard Communication Standard require that SDS documents follow a specific structure and update frequency:
Standardized Format: Modern SDS use a 16-section format. This includes sections for identification, hazard identification, first-aid measures, and handling/storage.
Update Requirements: Manufacturers are required to update an SDS within three months of becoming aware of any "significant" new information regarding a chemical's hazards or protection methods.
Review Frequency: Even without major changes, many jurisdictions require manufacturers to review and update their SDS every 5 years to ensure all information remains current. Safety Data Sheets - SDS - MSDS - Ecolab
NALCO® 77225 is an alkaline liquid chemical primarily used for internal boiler water treatment The safety data sheet (SDS) for Nalco 77225
to control scale through a combination of phosphate residual and polymer technology.
As of recent Safety Data Sheet (SDS) updates, this product is classified as a hazardous and corrosive mixture. Critical Safety Information Classification:
Corrosive to metals (Category 1); causes severe skin burns and eye damage (Category 1). Physical State: Light yellow liquid with an ammoniacal odor. Highly alkaline ( is greater than 13 Hazard Statements: May be corrosive to metals. Harmful if swallowed. Causes severe skin burns and eye damage. Harmful to aquatic life with long-lasting effects. Safe Handling & Storage Personal Protective Equipment (PPE):
Wear chemical-resistant gloves, safety goggles or a face shield, and protective clothing. Materials to Avoid:
use with aluminum, copper, brass, zinc, or light alloys, as it is corrosive to these metals. It is compatible with stainless steel, polyethylene, and polypropylene. Store in original containers at temperatures below 65 raised to the composed with power cap C 149 raised to the composed with power cap F First Aid Measures Eye Contact:
Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing and call a physician immediately. Skin Contact:
Take off contaminated clothing immediately. Rinse skin with plenty of water/shower for at least 15 minutes. Ingestion:
induce vomiting. Rinse mouth and give water to drink if the person is conscious. Seek medical attention immediately. Accessing the Latest SDS Nalco 77225 Internal Boiler Treatment | PDF - Scribd Gloves: Butyl rubber or Viton® (minimum thickness 0
This section has been rewritten. The previous recommendation for “chemical resistant gloves” is now specific:
If you use Nalco 77225 in your facility and have not acknowledged the updated safety data sheet, you are currently out of compliance with:
Penalties: As of 2026, OSHA maximum penalties exceed $16,000 per serious violation and $161,000 per willful or repeated violation.
Q: Does the updated SDS change the product’s effectiveness? A: No. The reformulation was designed to reduce environmental impact while maintaining scale and corrosion inhibition. Performance curves remain unchanged.
Q: Can I still use existing drums of Nalco 77225 manufactured before 2026? A: Yes. However, you must treat the existing inventory according to the new SDS, not the original label. OSHA requires that the most current hazard information governs handling, regardless of manufacturing date.
Q: Is the respiratory sensitization reversible? A: According to the new toxicological data, repeated exposure to aerosolized product may lead to occupational asthma. Once sensitized, even low-level exposure can trigger symptoms. This is why the updated PPE requirements are mandatory.
Nalco 77225 is primarily utilized as a corrosion inhibitor within open-recirculating cooling water systems. It is designed to protect metal surfaces from corrosion and minimize equipment failure.
Typical Hazards Associated with this Product Class:
Note: Users must consult the specific updated SDS for the exact hazard classification of the current formulation.
Product Name: NALCO 77225 Revision Date: [Current Date] Supersedes Date: [Previous Date] Version: 2.0