| Property | Value | |----------|-------| | Appearance | Clear to hazy amber liquid | | Odor | Mild, characteristic of phosphonates | | pH (concentrate) | 12.5 – 13.5 (strongly alkaline) | | pH (1% solution) | 10.0 – 11.0 | | Specific gravity | 1.15 – 1.25 g/cm³ @ 25°C | | Viscosity | 10 – 30 cP @ 25°C | | Solubility in water | Fully miscible | | Freezing point | ~ -5°C (23°F) | | Boiling point | > 100°C (212°F) |
NALCO 77352 contains no substances with established OSHA PELs or ACGIH TLVs in hazardous concentrations. However, an internal Nalco occupational exposure limit for the polymer component (e.g., 10 mg/m³ as total particulate) may apply.
| Field | Detail | | :--- | :--- | | Product Name | NALCO 77352 | | Product Code | 77352 / EC73352A | | Manufacturer | Nalco Water (An Ecolab Company) | | Product Use | Corrosion Inhibitor (Closed Systems) | | Appearance | Clear, colorless to light yellow liquid | | Odor | Mild, characteristic | nalco 77352 msds
In the world of industrial water treatment, Nalco Water (an Ecolab company) is a leading name, known for its advanced chemical formulations. Among its extensive product portfolio is NALCO 77352, a specialized chemical used primarily for boiler water treatment, scale inhibition, and corrosion control in high-pressure steam systems. However, with the utility of this chemical comes significant responsibility. The Material Safety Data Sheet (MSDS) —now more commonly referred to as the Safety Data Sheet (SDS) under the Globally Harmonized System (GHS)—is the single most critical document for anyone handling, storing, or transporting this substance.
This article provides an in-depth analysis of the NALCO 77352 MSDS. We will cover its chemical identifiers, potential hazards, first-aid measures, firefighting guidelines, storage requirements, personal protective equipment (PPE), and regulatory compliance. Whether you are a veteran boiler operator or a new EHS coordinator, this guide will help you interpret and apply the MSDS effectively. | Property | Value | |----------|-------| | Appearance
This report summarizes the safety, handling, and hazard information for Nalco 77352 (also referred to as EC73352A). This product is a corrosion inhibitor commonly used in industrial water treatment applications, specifically for closed-loop recirculating systems.
Based on the chemical composition, this product is classified as hazardous. It is acidic in nature and causes severe skin burns and eye damage. Strict adherence to Personal Protective Equipment (PPE) protocols is mandatory during handling. NALCO 77352 contains no substances with established OSHA
While the exact proprietary formulation is confidential, the SDS for Nalco 77352 will list hazardous ingredients above their reporting thresholds. Typical components include:
| Chemical Name | CAS Number | Typical % (Range) | Function | |---------------|------------|-------------------|-----------| | Phosphoric acid, (1-hydroxyethylidene)bis- (HEDP) | 2809-21-4 | 10-30% | Corrosion inhibitor | | Phosphonic acid, (nitrilotris(methylene))tris- (ATMP) | 6419-19-8 | 5-15% | Scale inhibitor | | Acrylic copolymer | Proprietary | 5-20% | Dispersant | | Sodium hydroxide (pH adjuster) | 1310-73-2 | 1-5% | Corrosive potential |
Note to industrial hygienists: The exact percentages are trade secrets. However, the SDS must disclose any ingredient classified as hazardous and its approximate concentration.