Hydroxides

NaOH, KOH & Mg(OH)2 — flakes and solutions

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30 products
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Ammonium Hydroxide 29% ACS Grade

29%ACS Grade

Available sizes: 1 Quart–330 Gallon

From $29.70
Sodium Hydroxide 50% Membrane Grade (Caustic Soda, Lye)

50%Membrane

Available sizes: 1 Quart–330 Gallon

From $39.00
Sodium Hydroxide 50% Solution ACS Grade

50%ACS Grade

Available sizes: 1 Quart–330 Gallon

From $22.09
Sodium Hydroxide Flakes

100%Technical

Available sizes: 2 lbs.–55 Lbs.

From $16.54
Sodium Hydroxide Flakes ACS Grade

ACS Grade

Available sizes: 2 lbs.–55 Lbs.

From $17.95
Ammonium Hydroxide 29% Technical Grade

29%Technical Grade

Available sizes: 1 Quart–330 Gallon

From $26.40
Sodium Hydroxide 25%

25%Technical

Available sizes: 1 Quart–330 Gallon

From $16.00
Potassium Hydroxide Flakes ACS Grade

ACS Grade

Available sizes: 2 lbs.–55 Lbs.

From $21.03
Potassium Hydroxide (KOH)

Technical

Available sizes: 2 lbs.–55 Lbs.

From $18.92
Magnesium Hydroxide Technical

Technical

Available sizes: 2 lbs.–55 Lbs.

From $19.80
Sodium Hydroxide 25% ACS Grade

25%ACS Grade

Available sizes: 1 Quart–330 Gallon

From $21.20
Sodium Hydroxide 10% ACS Grade

10%ACS Reagent Grade

Available sizes: 1 Quart–330 Gallon

From $24.65
Sodium Hydroxide 10% Technical Grade

10%Technical

Available sizes: 1 Quart–330 Gallon

From $22.00
Ammonium Hydroxide 5% ACS Grade

5%ACS Reagent Grade

Available sizes: 1 Quart–330 Gallon

From $23.02
Sodium Hydroxide 5% ACS Grade

5%ACS Reagent Grade

Available sizes: 1 Quart–330 Gallon

From $14.44
Ammonium Hydroxide 20% Technical Grade

20%Technical

Available sizes: 1 Quart–330 Gallon

From $22.39

About Hydroxides

Buy sodium hydroxide, ammonium hydroxide, and hydroxide compounds from Alliance Chemical in ACS Reagent, Membrane, and Technical grades. Available as solutions and solid flakes.

Products In This Collection

This collection includes ammonium hydroxide 29% ACS Grade (CAS 1336-21-6), sodium hydroxide 50% Membrane Grade (CAS 1310-73-2, iron <5 ppm), sodium hydroxide 50% ACS Grade (heavy metals ≤0.1 ppm), sodium hydroxide flakes ACS and Technical Grade.

Common Applications

Sodium hydroxide solutions are used in water treatment pH adjustment, pulp and paper manufacturing, textile processing, soap production, food processing, and chemical synthesis. Ammonium hydroxide serves metal surface finishing, semiconductor wafer cleaning (SC-1 clean), and pH adjustment in wastewater treatment.

Why Buy From Alliance Chemical

Every hydroxide product ships with a Safety Data Sheet (SDS) and Certificate of Analysis (COA). Alliance Chemical provides 1-2 business day shipping with no minimum order and DOT-compliant packaging.

Related: See the Bases and Caustics collection.

Procurement shortcuts

Jump directly to high-demand Alliance Chemical products with SDS/COA support and freight-ready pack sizes.

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Frequently Asked Questions

What are common uses for sodium hydroxide?
Sodium hydroxide is used in soap and detergent manufacturing, chemical synthesis, paper production, and water treatment. Alliance Chemical offers this compound in various grades suitable for each application.
How should hydroxides be safely stored?
Hydroxides should be stored in a cool, dry place away from acids and organic materials. Ensure the storage area is well-ventilated and follow safety guidelines provided by Alliance Chemical.
What is the difference between sodium hydroxide and potassium hydroxide?
While both are strong bases, sodium hydroxide is more widely used due to its lower cost, whereas potassium hydroxide is preferred for applications needing higher solubility. Alliance Chemical supplies both in various concentrations.
Is ammonium hydroxide safe for all applications?
Ammonium hydroxide is widely used in cleaning and chemical synthesis but requires careful handling due to its pungent aroma. Alliance Chemical provides detailed safety data sheets for safe usage.
What grades of hydroxides does Alliance Chemical provide?
Alliance Chemical offers hydroxides in laboratory, technical, and industrial grades. Each grade is suited for specific applications in sectors such as research and manufacturing.
How does sodium hydroxide assist in food processing?
Sodium hydroxide is used in food processing to alter the pH, aiding in processes like nixtamalization and olive curing. It is crucial to use food-grade sodium hydroxide for these applications.
What is the typical concentration of ammonium hydroxide available?
Ammonium hydroxide is often available in concentrations up to 29%. Alliance Chemical supplies this concentration for various industrial and laboratory uses.
Are hydroxides suitable for pH adjustment in water treatment?
Yes, both sodium and potassium hydroxides are effective for pH adjustment and neutralization in water treatment processes. Alliance Chemical offers guidance on the proper use and dosing for these applications.
How does Alliance Chemical ensure the quality of their hydroxides?
Alliance Chemical sources high-purity compounds manufactured in compliance with industry standards. Our rigorous quality control processes ensure reliable performance for each application.