Nalco 77352 Msds |link| -

NALCO 77352 broad-spectrum, non-oxidizing biocide primarily used to control microorganisms in industrial water systems like cooling towers and brewery pasteurizers. Because it is copper-free, it is often chosen for closed-loop systems where copper accumulation is a concern. turquoise-az.com Key Safety & Chemical Features According to the NALCO 77352 Safety Data Sheet Product Overviews , the product has the following critical profiles: Hazard Profile : Classified as GHS Category 2/2A for skin and eye irritation. It is a known skin sensitizer and can cause allergic reactions. Active Ingredients : Typically contains a mixture of Isothiazolinones

• Exposure limits (OSHA PEL, ACGIH TLV) for components if available
• Engineering controls: ventilation, fume hoods
• Personal protective equipment: chemical-resistant gloves, safety goggles/face shield, protective clothing, respiratory protection if vapors/mists exceed limits

Eye Contact

• Symptoms: Severe pain, tearing, blurred vision, potential permanent damage.
• Action: Hold eyelids apart and flush eyes with copious amounts of lukewarm water for at least 15 minutes. Ensure no particulate matter remains. Do not use chemical neutralizers. Get immediate emergency medical treatment.

6.2 Storage Requirements

• Storage temperature: 40°F to 100°F (4°C to 38°C) – avoid freezing. If frozen, thaw gently and agitate before use.
• Containers: Store in original, labeled HDPE or stainless steel drums. Do not use mild steel (corrosion risk).
• Incompatibles: Strong oxidizing agents, acids, and reducing agents.
• Shelf life: Typically 12–18 months from date of manufacture.