| | CAS Number | Concentration (%) | Hazard Classification | | :--- | :--- | :--- | :--- | | Tetrapotassium pyrophosphate | 7320-34-5 | 20 - < 25 | Eye Irritation Category 2; H319 | | Potassium hydroxide (KOH) | 1310-58-3 | 10 - < 20 | Acute Toxicity Category 4; H302, Skin Corrosion Category 1A; H314, Corrosive to Metals Category 1; H290 |
Nalco 77225
Nalco may claim specific ingredient percentages as trade secrets. However, under OSHA, they must still disclose hazardous identities. If you need full composition for medical treatment, contact a company physician.
discharge into natural waters, sewers, or groundwater. A spill must be contained and collected immediately to prevent environmental contamination. nalco 77225 safety data sheet
Avoid contact with skin and eyes. Ensure adequate ventilation at processing stations. Do not mix with incompatible chemicals.
Recommended storage limit is 6 months after receipt.
Immediate actionable steps to avoid harm, such as "Wear protective gloves/eye protection" and "Wash skin thoroughly after handling." 3. Composition and Ingredients | | CAS Number | Concentration (%) |
NALCO 77225 is a high-pH, liquid boiler water treatment product specifically designed for scale control in systems operating at pressures up to 40 barg. It is classified as , primarily due to its high concentration of potassium hydroxide. Core Hazard Profile
Nalco 77225 is a mixture. The hazardous components identified in the SDS include:
: The complex phosphates react with calcium and magnesium, while organic polymers transport these minerals—along with iron and silica—through the boiler to prevent scaling. discharge into natural waters, sewers, or groundwater
is a highly specialized internal boiler feedwater treatment liquid formulated to prevent scale deposition and control corrosion in industrial boiler systems. Developed by the Nalco Company, this alkaline compound utilizes a combination of a phosphate residual program and proprietary Transport Plus® polymer technology to maintain clean heat-transfer surfaces. Because it is a powerful, highly alkaline chemical mixture with a baseline pH of 13.5 , facilities handling it must maintain strict compliance with its Safety Data Sheet (SDS) regulations.
| Component | OSHA PEL | ACGIH TLV | Nalco Internal Limit | |-----------|----------|-----------|----------------------| | Sodium hydroxide | 2 mg/m³ (ceiling) | 2 mg/m³ (ceiling) | 2 mg/m³ | | Phosphonate | None established | None | 10 mg/m³ (total dust) |
Hope this detailed guide is helpful for your safety and operational planning.
A one-page “operator’s addendum” with dilution tables, neutralization calculations, and color photos of correct PPE.