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Potassium hydroxide1. Properties: clear colorless liquid or white flakes. Strong base. Very corrosive. Easily dissolves in water with liberation of much heat.2. Use: Manufacture of liquid soap; mordant for wood; absorbing CO2; mercerizing cotton; paint and varnish removers; electroplating, photoengraving and lithography; printing inks; in analytical chemistry and in organic syntheses. 3. Packing: Liquid, tank; flakes, 40kg or 25kg per bag.
| Liquid | Solid | ||
| Premium grade | Grade I | ||
| KOH, ≥ | 48 | 95.0 | 90.0 |
| K2CO3, ≤ | 0.055 | 0.5 | 0.5 |
| Chloride (Cl), ≤ | 0.0018 | 0.005 | 0.005 |
| Iron (Fe), ≤ | 0.00032 | 0.0005 | 0.0005 |
| Sulfate (SO42-), ≤ | - | 0.005 | 0.005 |
| Nitrate & Nitrite (N), ≤ | - | 0.0005 | 0.0005 |
| Sodium (Na), ≤ | - | 0.8 | 0.8 |
| Phosphate (PO4), ≤ | - | 0.005 | 0.005 |
| Silicate (SiO3), ≤ | - | 0.01 | 0.01 |
| Aluminum (Al), ≤ | - | 0.002 | 0.002 |
| Calcium (Ca), ≤ | - | 0.005 | 0.005 |
| Nickel (Ni), ≤ | - | 0.0005 | 0.0005 |
| Heavy metal (Pb), ≤ | - | 0.002 | 0.002 |
First aid measures:
A. Skin contact: immediately wash with water for at least 15 minutes. Seek medical attention if skin burn occurs.B. Eye contact: immediately wash with water, saline or 3% boric acid solution for at least 15 minutes. Seek medical attention if necessary.C. Inhalation: Seek medical attention.D. Ingestion: Seek medical attention.
Protection measures:
A. Engineering control: Area of operation should be closed.B. Respiratory tract: Wear respirator if necessary.C. Eye: Wear goggle. D. Body: Wear protection cloths.E. Hand: Wear rubber gloves.F. Other: Shower after work.
Potassium hydroxide