Potassium Hydroxide (KOH)

Category : Bases

$18.92
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    $17.97
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  • $4,070.00
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    $3,866.50

Need a different spec?

Potassium Hydroxide (KOH) Current
Potassium Hydroxide Flakes ACS Grade From $21.03
Other Grades & Concentrations

Available in other grades and concentrations:

CAS: 1310-58-3 KOH
$18.92
Other Grades & Concentrations

Available in other grades and concentrations:

CAS: 1310-58-3 KOH

Potassium Hydroxide (KOH)

$18.92

Commercial Fulfillment Snapshot

Buy Potassium Hydroxide (KOH) with faster decisions and fewer back-and-forth emails.

Ships from Taylor, Texas. In-stock orders placed before 1:00 PM CT (Mon-Thu) and before 12:00 PM CT (Fri) typically ship same business day. Order online 24/7.

Technical Documents

Lot-specific COA is issued per shipment batch.

Who Buys This
  • Water treatment facilities
  • Chemical manufacturers
  • Soap & detergent producers
  • Battery manufacturing companies
  • Food processing plants
Purity / Grade Guide
  • Industrial & lab applications
  • COA-verified product quality purity
  • Verified quality with COA
  • Suitable for commercial use
Pack Sizes
  • 2 lb: bench & testing
  • 5 lb: shop & formulating
  • 55 lb: bulk, best $/lb
SDS / COA / TDS
  • UN 1813 Class 8 packaging
  • DANGER signal word SDS
  • Certificate of Analysis included
  • Corrosive material handling data
Small Packs: UPS Ground nationwide for pints, quarts, and gallons.
LTL / FTL: ABF, SEFL, Saia, XPO, and partner carriers for pails, drums, totes, and full truckloads.
Support: Email or call for freight options, hazardous-material routing, and lead-time confirmation.

Why Potassium Hydroxide (KOH) Technical Grade

Potassium Hydroxide (KOH) Technical Grade, supplied as a solid white crystalline powder, enables operators and formulators to manufacture custom alkaline solutions tailored to precise operational demands. Because this caustic base is highly water-soluble and exhibits moderate alcohol solubility, it integrates rapidly into various industrial processes. Choosing the dry solid form allows chemical buyers to completely control their own dilution rates, minimizing the freight costs associated with shipping pre-mixed liquid solutions while providing maximum concentration authority. This technical specification delivers the necessary alkalinity and aggressive chemical reactivity for heavy industrial environments that do not require the strict trace-impurity limits of laboratory analytical chemical supplies.

Best Applications for This Grade

  • Commonly applied in heavy industrial wastewater treatment operations as a primary pH adjustment agent. Operators utilize the strong caustic properties of the dissolved powder to neutralize highly acidic effluent streams, maintain optimal alkalinity targets, and facilitate the precipitation of heavy metals into filterable solids.
  • Commonly applied in the commercial formulation of liquid soaps, heavy-duty industrial degreasers, and specialized cleaning chemicals. The solid white crystalline powder drives the saponification of industrial fats and oils, producing softer, more highly soluble liquid soaps compared to standard sodium-based alternatives.
  • Utilized within metal finishing and fabrication facilities as an aggressive alkaline builder. When dissolved into heated industrial baths, the resulting solution efficiently strips stubborn greases, machining lubricants, and carbonaceous soils from metal substrates prior to sensitive electroplating or surface coating procedures.
  • Serves as a fundamental chemical precursor and reactive intermediate for synthesizing specialized potassium-based compounds and industrial salts. The moderate alcohol solubility makes this powder advantageous for specific organic synthesis reactions where strictly aqueous environments would hinder the chemical process.

When to Choose a Different Grade

  • If strict laboratory environments, precision analytical testing, or highly sensitive specialty manufacturing operations require tightly controlled trace impurity maximums and verified analytical specifications, select Potassium Hydroxide Flakes ACS Grade.
  • If the current manufacturing workflow lacks the automated equipment to properly manage the significant exothermic heat generated when dissolving raw solid powder into water, operators should evaluate pre-mixed Potassium Hydroxide liquid solutions to enable immediate, direct chemical dosing.
  • If the operational process specifically demands a different physical handling profile, such as reducing the airborne particulates occasionally associated with fine crystalline powders, transitioning to a different solid form like large flakes or pellets will alter the initial dissolution speed and mechanical handling dynamics.
Property Value
Molecular Weight 56.11
Formula KOH
Assay 85-95%
Grade Technical Grade
Form Solid
Solubility Soluble in water, alcohol, and glycerol
Appearance White, solid flakes
Melting Point 360
Boiling Point 1320
Specific Gravity 0.84
Industry Water Treatment, Industrial Chemistry, Cosmetics, Electronics, Food Industry

Frequently Asked Questions About Potassium Hydroxide (KOH)

What is Potassium Hydroxide (KOH) and what is its chemical formula?
Potassium Hydroxide (KOH) is a chemical compound with the molecular formula KOH, registered under CAS Number 1310-58-3 by the Chemical Abstracts Service (PubChem), with a molecular weight of 56.11 g/mol. Alliance Chemical supplies Potassium Hydroxide (KOH) in Technical grade for laboratory, industrial, and commercial applications.
What are the physical properties of Potassium Hydroxide (KOH)?
According to the NIOSH Pocket Guide to Chemical Hazards, Potassium Hydroxide (KOH) is supplied as a solid with a white crystalline powder appearance. It has a melting point of 360°C (680°F)°C, a boiling point of 1320°C (2408°F)°C, a flash point of N/A. The specific gravity is 2.044 relative to water. Solubility: Highly water-soluble, moderate alcohol solubility.
What grade and purity of Potassium Hydroxide (KOH) does Alliance Chemical offer?
Alliance Chemical offers Potassium Hydroxide (KOH) in Technical grade. Every lot ships with a Certificate of Analysis (COA) and Safety Data Sheet (SDS) prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and GHS Revision 7. Download SDS.
What are common industrial applications of Potassium Hydroxide (KOH)?
Potassium Hydroxide (KOH) serves a wide range of sectors, including Chemical Processing, Industrial & Manufacturing, and Water & Environmental.Alliance Chemical provides the documentation and quality certifications required for use in regulated environments.
What PPE is required when handling Potassium Hydroxide (KOH)?
OSHA-mandated PPE per 29 CFR 1910.132-138:Chemical-resistant gloves (20+ mil neoprene or PVC), full face shield over safety goggles (ANSI Z87.1), acid-resistant apron or chemical suit, closed-toe chemical-resistant footwear. Respiratory protection (organic vapor cartridge) required in areas exceeding PEL/TLV per 29 CFR 1910.134. Emergency eyewash station and safety shower must be accessible within 10 seconds per ANSI Z358.1. Consult the SDS available from Alliance Chemical for complete PPE requirements.
What are the storage requirements for Potassium Hydroxide (KOH)?
Store perOSHA 29 CFR 1910.106: Approved flammable storage cabinet, maximum 60 gallons per cabinet, grounding/bonding required. Temperature range:15-25°C. Segregate from:acids, aluminum, zinc. Maximum storage:2-3 years unopened.
What is the emergency spill procedure for Potassium Hydroxide (KOH)?
Emergency response per EPA SPCC (40 CFR 112) and OSHA 29 CFR 1910.120: (1) Alert personnel, evacuate area to 100 feet. (2) Eliminate ignition sources if flammable. (3) Don PPE per SDS Section 8. (4) Stop leak if safe; use emergency shutoffs. (5) Contain with non-combustible absorbent materials, dike with sand/earth. (6)Neutralize with citric acid or acetic acid (5% solution). (7) Collect in DOT-approved containers, label as hazardous waste. Check 40 CFR 302.4 for Reportable Quantity. Emergency: Chemtel 1-800-255-3924 (24/7). Non-emergency: Alliance Chemical 512-365-6838.
What is the DOT shipping classification for Potassium Hydroxide (KOH)?
DOT Classification per 49 CFR 172.101:UN1813, Hazard Class8, Packing GroupII. Requires: Hazmat shipping papers (49 CFR 172.200), UN specification packaging (49 CFR 173), hazmat labels (172.400). Alliance Chemical ships all orders in DOT-compliant packaging with proper documentation.
How must Potassium Hydroxide (KOH) waste be disposed?
Disposal per RCRA (40 CFR 261-265):Characteristic waste D002 (Corrosive, pH ≤2 or ≥12.5). Generator requirements: EPA ID number required if >100 kg/month (40 CFR 262.12). Use EPA-permitted Treatment, Storage, Disposal Facility (TSDF). Never discharge to sewer without POTW written approval (40 CFR 403). Container disposal: Triple rinse (40 CFR 261.7), offer for reconditioning/recycling. State regulations may be more stringent — check with your local environmental agency. Consult the Alliance Chemical SDS for product-specific disposal guidance.
Does Alliance Chemical provide an SDS and COA for Potassium Hydroxide (KOH)?
Yes. Alliance Chemical provides a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for every lot of Potassium Hydroxide (KOH). The SDS is prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and the Globally Harmonized System (GHS) Revision 7, covering all 16 required sections including hazard identification, first aid measures, firefighting measures, handling and storage, exposure controls, and regulatory information. The SDS is available for download directly from this product page. COAs are available upon request by contacting Alliance Chemical at 512-365-6838.