Industrial water systems are highly prone to biological contamination. If left untreated, bacteria, algae, and fungi form thick biofilms that insulate heat exchange surfaces, decrease system efficiency, and accelerate microbiologically influenced corrosion (MIC). NALCO 73385 targets these issues directly:
Nalco 73385 is engineered for use in and closed-loop systems . Its primary function is the control of:
| Jurisdiction | Inventory | Compliance Status | |---|---|---| | United States | TSCA Inventory (40 CFR 710) | The substances in this preparation are included on or exempted from the TSCA 8(b) Inventory. | | Australia | AICIS | All substances in this product comply with the Australian Industrial Chemicals Introduction Scheme (AICIS). | | Canada | DSL | The substances in this preparation are listed on the Domestic Substances List (DSL), are exempt, or have been reported in accordance with the New Substances Notification Regulations. | | Japan | ENCS | All substances in this product comply with the Law Regulating the Manufacture and Importation of Chemical Substances and are listed on the Existing and New Chemical Substances list (ENCS). | | Korea | KECI (ECL) | All substances in this product comply with the Chemical Control Act (CCA) and are listed on the Existing Chemicals List (ECL). | | Philippines | PICCS | All substances in this product comply with the Republic Act 6969 (RA 6969) and are listed on the Philippines Inventory of Chemicals & Chemical Substances (PICCS). | | China | IECSC | All substances in this product comply with the Provisions on the Environmental Administration of New Chemical Substances and are listed on or exempt from the Inventory of Existing Chemical Substances China (IECSC). | | New Zealand | NZIoC | All substances in this product comply with the Hazardous Substances and New Organisms (HSNO) Act 1996, and are listed on or are exempt from the New Zealand Inventory of Chemicals. | | Taiwan | TCSI | On the inventory, or in compliance with the inventory. | nalco 73385 msds
| Aspect | Information | |---|---| | Suitable Extinguishing Media | Use extinguishing measures appropriate to local circumstances and the surrounding environment. | | Unsuitable Extinguishing Media | None known. | | Specific Hazards during Firefighting | Not flammable or combustible. | | Hazardous Combustion Products | Decomposition products may include carbon oxides. | | Special Protective Equipment for Firefighters | Use personal protective equipment. | | Specific Extinguishing Methods | Collect contaminated fire extinguishing water separately. Do not discharge into drains. Dispose of fire residues and contaminated water in accordance with local regulations. In the event of fire and/or explosion, do not breathe fumes. |
Approximately 3.7 to 13.0 (varying by specific regional formulation or concentration). Density: Approximately 1.13 kg/L to 1.20 kg/L. Solubility: Complete in water. Flammability: Non-flammable and non-combustible. Safety and Hazard Identification Industrial water systems are highly prone to biological
This classification is important because scale inhibitors are typically formulated with strong (often phosphonic or sulfuric acids) and surfactants . The procurement listing confirms this, specifying the physical state as a pale yellow liquid and the pH range as 1.0 to 2.0. This extremely low pH indicates the product is severely corrosive . The specific gravity of the solution is listed as 1.3 to 1.45, indicating it is much denser than water.
Industrial facilities must implement localized mechanical exhaust ventilation to keep airborne concentrations of the chemical below permissible exposure limits. Eyewash stations and safety showers must be operational and situated close to the chemical handling stations. Personal Protective Equipment (PPE) Requirements Its primary function is the control of: |
NALCO 73385 is a specialized non-oxidizing biocide formulated by Nalco Water, an Ecolab company, primarily designed for industrial water treatment. It is widely used in cooling water systems and closed loops to control microbial growth, particularly slime-forming and sulfate-reducing bacteria. Given its chemical nature, understanding the (Material Safety Data Sheet) or SDS (Safety Data Sheet) is critical for safe handling, environmental compliance, and effective application.
However, with its effectiveness comes chemical risk. The — now formally known as the SDS (Safety Data Sheet) under GHS (Globally Harmonized System) — is the legally required document that communicates the hazards, handling protocols, and emergency measures for Nalco 73385. Accessing and understanding the Nalco 73385 MSDS is not just a regulatory checkbox; it is a critical safety practice.
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