Nalco 2593 Msds [updated] May 2026

Quick summary

Nalco 2593 is a liquid microbiocide used in industrial recirculating cooling-water systems to control bacteria, fungi and algae. Active ingredients listed in regulatory records are 5‑chloro‑2‑methyl‑4‑isothiazolin‑3‑one (CMIT) ~1.15% and 2‑methyl‑4‑isothiazolin‑3‑one (MIT) ~0.35%; the rest are inert ingredients. The product is registered as a potent biocide and carries strong hazard warnings.

Isothiazolinone Microbiocide Safety Guide | PDF | Waste - Scribd nalco 2593 msds

• Engineering Controls: Use ventilation to control airborne concentrations.
• Personal Protective Equipment:

  Active Ingredients: 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 Quick summary Nalco 2593 is a liquid microbiocide

  Eye Contact: Immediately flush eyes with plenty of water for at least 15 minutes and seek medical attention. nalco 2593 msds

  For official, up-to-date documentation, users should contact Ecolab/Nalco Water Customer Service

  Exposure Controls/Personal Protection: Provides guidance on engineering controls and personal protective equipment (PPE) to minimize exposure. This is critical for ensuring worker safety.