Hanson Chemicals

KOH Solution 45%

Formula: KOH
CAS Number: 1310-58-3
EC Number (EINECS): 215-181-3
HS Code: 28152000
UN Number: 1814
IUPAC Name: Potassium Hydroxide
Also Known As: Caustic Potash Solution
Molecular Weight, g/mol: 56.11

Typical Specifications

Appearance: Clear, colorless to slightly hazy liquid
Odor: Odorless
Boiling Point, °C: ~135 (depends on concentration)
Density, g/cm³ (at 20°C): ~1.45
Solubility: Miscible with water (exothermic)
pH (1% solution): ~13.5
Packaging: 200kg drums, 1000kg IBC, bulk tankers

Applications / Uses

Primary Applications

  • Soap and detergent manufacturing

  • Biodiesel production (transesterification catalyst)

  • Neutralizing agent in chemical processes

Secondary Applications

  • Used in fertilizers and agrochemicals

  • Cleaning agents and degreasers

  • Metal processing (pickling, electroplating)

  • Pharmaceutical and cosmetic intermediate

End Industries Served: Soaps & Detergents, Biodiesel, Chemicals, Fertilizers, Metal Finishing, Pharmaceuticals, Cosmetics

Safety & Handling Information

Hazard Class (GHS): Corrosive (Category 1A)

Hazard Statements (H-Codes):

  • H314: Causes severe skin burns and eye damage

  • H290: May be corrosive to metals

Precautionary Statements (P-Codes):

  • P280: Wear protective gloves/eye protection

  • P301 + P330 + P331: IF SWALLOWED – rinse mouth, do not induce vomiting

  • P305 + P351 + P338: IF IN EYES – rinse cautiously with water, remove contact lenses if present

  • P310: Immediately call a POISON CENTER/doctor

Storage Conditions

  • Store in tightly closed containers

  • Protect from moisture, carbon dioxide, and incompatible materials (acids, aluminum, zinc)

  • Store at ambient temperature, ventilated area

Transport Information

  • ADR/RID: Class 8, UN1814, PG II

  • IMDG: Class 8, UN1814

  • IATA: Class 8, UN1814

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