Nalco 77225 Safety Data Sheet Updated

Nalco 77225 is an alkaline internal boiler feedwater treatment used primarily for scale control in boilers operating at pressures up to 40 barg.

6. Accidental release measures

• Personal precautions: wear protective equipment (gloves, goggles, respirator if needed).
• Environmental precautions: prevent entry into drains, waterways; contain spills.
• Cleanup: absorb with inert material (sand, earth), collect and dispose per local regulations.

Mechanism: Complex phosphates react with calcium and magnesium, while organic polymers transport these minerals through the boiler to prevent adherent deposits.

• Acute Toxicity: [Insert acute toxicity data]
• Chronic Toxicity: [Insert chronic toxicity data]

Physical State: It is an alkaline liquid with a maximum storage temperature recommendation of 65°C (149°F) to prevent the formation of white precipitates. Chemical Composition

Hands: Wear protective gloves (check manufacturer for chemical breakthrough times for alkaline products). Body: Chemical-resistant protective clothing.

10.3 Possibility of Hazardous Reactions

Disclaimer: This article is for informational purposes only. Always refer to the official Nalco 77225 Safety Data Sheet provided by Nalco Water/Ecolab for complete, legally binding safety information. Hazard classifications and regulations vary by jurisdiction (e.g., OSHA, WHMIS, EU CLP).

• The product is not classified as hazardous to the aquatic environment based on standard testing, but large spills can cause oxygen depletion in water due to its oxygen scavenging properties.
• DEHA: Fish LC50 (96h): > 100 mg/L.