Nalco 2593 Msds | 2025 |

Action dictated by Section 4: Immediate 15-minute rinse, seek medical attention. The MSDS forewarns that eye damage is serious and potentially irreversible without rapid action.

  • Product Use: Industrial Water Treatment.
  • Chemical Family: Mixed phosphonate/nitrite/borate blend (Typical formulation profile).

    • 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. nalco 2593 msds

    Action dictated by Section 5: Use water spray, but note that runoff may contain phosphonates. Firefighters should wear SCBA due to possible toxic decomposition products. Action dictated by Section 4: Immediate 15-minute rinse,

    According to the MSDS, NALCO 2593 is an aqueous solution of organic phosphonates and polymers. It is primarily designed to: Product Use: Industrial Water Treatment

    Appearance: Clear to hazy, colorless to pale yellow liquid
    Odor: Mild, characteristic of organic chemicals
    pH (as supplied): Typically 2.0 – 4.0 (acidic)
    Solubility: Fully miscible in water

    The product identifier on the MSDS may also list synonyms such as “Scale Inhibitor 2593” or “Cooling Water Additive 2593.”

  • Eye Damage: Severe damage is expected due to alkaline nature (Sodium Hydroxide).
  • Sensitization: Not expected to be a sensitizer.
  • Carcinogenicity: Components are not listed as carcinogens by NTP, IARC, or OSHA. (Note: Sodium Nitrite is sometimes scrutinized for potential nitrosamine formation, but is generally regulated as an occupational irritant/toxicant).

    • The MSDS emphasizes containment and neutralization: