potassium hydroxide koh CAS : 1310-58-3 purity: 95%, 90%, 48%,45%, 50% application:For manufacturing Potassium Salt ,syntheti ... Hydroxide Tech Grades Assay% ≥ 45.0 48.0 90.0 95.0 Potassium carbonate (K2CO3) ≤ 0.15 0.5 0.5 ... , battery, concrete compound, medicines, optical brightener, Rosin Sizing agent. Etc. koh