Chemical Product Library / Reference

Potassium hydroxide

Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.

Molecular structure for Potassium hydroxide

Chemical identity

English namePotassium hydroxide
English synonymsCaustic potash;Potassium hydrate;KOH
Chinese name氢氧化钾
Chinese synonyms苛性钾;钾灰;苛性碱
Chemical categoryAlkalis
CAS No.1310-58-3
EINECS No.215-181-3
Molecular formulaKOH
Molecular weight56.11
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.

Technical indicators

KOH content ≥90.0% (flake); carbonate (as K2CO3) ≤0.5%; chloride ≤0.01%; iron ≤0.001%

Performance characteristics

White flakes or powder, highly hygroscopic, soluble in water, aqueous solution is strongly alkaline

Application scenarios

Soap making, potassium salt production, alkaline batteries, pharmaceuticals, food additives, water treatment