Engineering controls are the first line of defense (e.g., local exhaust ventilation).
| | 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 |
Recommended at 20–60 ppm depending on feedwater hardness and pressure. FDA Compliance:
Move the person to fresh air and keep them comfortable for breathing. Call a poison center or doctor immediately. Ingestion: Rinse mouth thoroughly. Do NOT induce vomiting . Seek immediate medical help. Application & Regulatory