Typically contains 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one . Physical State: Liquid. Key Sections of the Nalco 2593 MSDS/SDS
This article is for informational purposes based on typical MSDS data for biocides. Always refer to the specific Safety Data Sheet (SDS) provided by the supplier (Nalco/Ecolab) at the time of purchase for the most accurate and up-to-date information.
Do you need guidance on or application frequency for a particular cooling tower or boiler system?
| Hazard Category | Typical Rating | Key Phrase | |----------------|----------------|-------------| | | Category 1 (Serious) | Causes serious eye irritation/damage. | | Skin Corrosion | Category 2 (Mild) | Causes skin irritation. | | Acute Toxicity (Oral) | Category 4 | Harmful if swallowed. | | Aquatic Toxicity | Category 3 | Harmful to aquatic life (due to phosphonates). | nalco 2593 msds
—March 23, 2026
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Comprehensive Guide to NALCO 2593: Safety Data Sheet (SDS / MSDS) and Operational Overview Always refer to the specific Safety Data Sheet
: This part includes data on potential health effects, which helps in assessing the risks to human health.
Nalco 2593 is a liquid biocide formulation designed for industrial cooling towers, closed-loop cooling systems, and air washers. It is often used in food processing facilities for treating boilers and steam lines, provided that the steam or treated water does not come into direct contact with edible products. Isothiazolinone.
Industrial cooling water loops, open recirculating cooling towers, closed-loop heat exchangers, and industrial steam boilers. | | Skin Corrosion | Category 2 (Mild)
: Move the affected individual to an area with fresh air. If breathing is labored or has stopped, administer artificial respiration or oxygen via trained personnel and contact emergency services.
No. NALCO 2593 is strictly for industrial recirculating cooling water systems and is not approved for potable water applications.