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Potassium Hydroxide 90%

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Potassium Hydroxide 90% is a highly concentrated, caustic alkaline chemical available as a solid (pellets, flakes) or concentrated aqueous solution. It is a strong base widely used in industrial processes, chemical manufacturing, and as a reagent. Potassium Hydroxide provides excellent neutralizing, saponifying, and cleaning properties and is essential in producing potassium soaps, biodiesel, fertilizers, and various chemical compounds. Its high purity and concentration (90%) make it suitable for demanding applications requiring strong alkalinity.

 

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Description

 

Primary Uses
Chemical Manufacturing
Used as a strong base and neutralizing agent in chemical syntheses and industrial processes.

Essential for manufacturing potassium soaps and detergents by saponification of fats and oils.

Utilized in biodiesel production as a catalyst in transesterification reactions.

Used in the production of potassium carbonate, potassium phosphates, and other potassium salts.

Food Industry
Used as a food-grade alkali for pH regulation and peeling in food processing (e.g., peeling fruits and vegetables).

Employed in cocoa and chocolate processing to alkalize cocoa products.

Water Treatment
Used to control water pH and neutralize acidic water in municipal and industrial treatment plants.

Agriculture
Raw material in the manufacture of potassium fertilizers and soil amendments.

Cleaning Products
Key ingredient in industrial cleaners, drain openers, and degreasers due to its strong alkaline properties.

 

Secondary Uses
Pharmaceuticals
Used in small quantities in drug formulations and pharmaceutical intermediates.

Battery Manufacturing
Employed as electrolyte in alkaline batteries and fuel cells.

Laboratory Reagent
Used extensively as a strong base in analytical chemistry and titrations.

Cosmetics
Used in controlled amounts for pH adjustment in some personal care products.

PRODUCT KEY FEATURES

 

Basic Identification Attributes
Chemical Name (IUPAC): Potassium hydroxide

Common/Trade Name: Potassium Hydroxide 90%

CAS Number: 1310-58-3

HS Code: 2815.11 (Potassium hydroxide)

Synonyms: Caustic potash; KOH

Physical & Chemical Properties
Physical State: Solid (pellets, flakes) or concentrated aqueous solution (~90% w/w)

Color & Odor: White; odorless

Solubility: Highly soluble in water, exothermic dissolution

Melting Point: 360°C (decomposes)

Density: ~2.044 g/cm³ (solid); ~1.5 g/cm³ (90% solution)

Stability: Stable under normal conditions; highly reactive with acids and water

Safety & Hazard Attributes
GHS Classification: Corrosive (Skin corrosion Category 1A), Serious eye damage (Category 1)

Toxicity: Highly corrosive and hazardous upon contact or inhalation

Exposure Limits: Strict occupational exposure limits apply; avoid contact and inhalation

Storage & Handling Attributes
Storage Conditions: Store in tightly sealed, corrosion-resistant containers; keep dry and away from acids

Container Type: HDPE drums, plastic-lined steel containers

Shelf Life: Typically 1–3 years if stored properly

Handling Precautions: Use full PPE including gloves, goggles, face shield, and protective clothing; avoid moisture contact

 

Regulatory & Compliance Attributes
Complies with chemical safety regulations including OSHA, REACH, and local standards

Classified as hazardous material for transport and handling

 

Environmental & Health Impact
Biodegradability: Inorganic compound; not biodegradable but neutralizes in environment quickly

Ecotoxicity: Harmful to aquatic organisms at high concentrations due to alkalinity

Bioaccumulation: Not applicable

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions
PPE Required: Chemical-resistant gloves, eye protection, face shield, and protective clothing mandatory

Handling Guidelines: Use in well-ventilated areas; avoid inhalation of mist and skin contact

Storage Measures: Keep containers tightly closed; prevent contact with acids and moisture

 

First Aid Measures
Inhalation: Move to fresh air immediately; seek urgent medical attention for respiratory distress

Skin Contact: Remove contaminated clothing; wash skin thoroughly with water for at least 15 minutes; seek medical help for burns

Eye Contact: Rinse eyes with water for at least 15 minutes; seek immediate medical attention

Ingestion: Do not induce vomiting; rinse mouth and seek immediate medical care

 

Firefighting Measures
Fire Hazards: Non-flammable but reacts violently with water and acids

Extinguishing Media: Use water spray to dilute and cool; avoid dry chemicals near reactive materials

Special Precautions: Firefighters must wear full protective gear and self-contained breathing apparatus

Hazardous Combustion Products: May produce potassium oxides and corrosive fumes

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