(CAS:1310-58-3)Potassium hydroxide
1. 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 |