Potassium Hydroxide
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Potassium Hydroxide 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.
Categories: Analytical Reagents, pH Modifiers
Tags: Caustic Potash, Inorganic Base, KOH 90% Flakes, Potassium Hydroxide, Water treatment
Description
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Potassium Hydroxide
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.
KEY PRODUCT FEATURES
1. 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
2. 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
3. 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
4. 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
5. Regulatory & Compliance Attributes
- Complies with chemical safety regulations including OSHA, REACH, and local standards
- Classified as hazardous material for transport and handling
6. 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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Trisodium Phosphate
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Zinc chloride
Zinc Chloride is a highly versatile, white crystalline inorganic compound known for its strong hygroscopic nature and high solubility in water. It serves multiple industrial roles including fluxing, dehydrating, catalysis, and preservation. With applications across metallurgy, pharmaceuticals, textiles, water treatment, and chemical synthesis, Zinc Chloride is valued for its reactivity and binding properties.

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