Description

Barium Hydroxide Hydrate is an inorganic compound primarily supplied as a monohydrate or octahydrate. This versatile chemical serves as a powerful alkali and precursor in numerous industrial synthesis and purification processes. It is essential for manufacturers in sectors such as lubricant additives, sugar refining, and water treatment, where its reactivity and alkaline properties provide critical functionality. The compound is commercially available in various grades to meet specific application requirements.

Application

• Lubricant & Grease Additive: Acts as a key intermediate in the synthesis of barium-based sulfonates and complex greases, imparting high-temperature stability, water resistance, and anti-corrosion properties.
• Sugar & Sweetener Refining: Used in the purification process to remove sulfates and other impurities from sugar syrups, improving clarity and quality.
• Water Treatment & Effluent Control: Employed for pH adjustment and the precipitation of sulfates from industrial wastewater streams.
• Chemical Synthesis: Serves as a strong base catalyst in organic reactions and as a precursor for other barium salts, such as barium carbonate and barium titanate.
• Glass & Ceramic Manufacturing: Used in the production of specialty glasses and ceramic glazes to modify properties like refractive index and durability.
• Heat Treatment Salts: A component in salt baths for case hardening and heat treatment of steel, providing a molten medium with specific thermal properties.
• Plastic Stabilizer Production: An intermediate in the manufacture of heat stabilizers for PVC and other polymers.

Basic Information

Product Name	Barium Hydroxide Hydrate
CAS No.	40226-30-0
Molecular Formula	Ba(OH)₂·xH₂O (x=1 or 8)
Molecular Weight	Monohydrate: 189.36 g/mol; Octahydrate: 315.46 g/mol
Synonyms	Barium Dihydroxide Hydrate; Barium Hydroxide Monohydrate; Caustic Baryta Hydrate; Barium Octahydrate; Baryta Hydrate; Barium Hydrate; Barium(II) Hydroxide Hydrate; EINECS 254-909-5 (for octahydrate)
EINECS	254-909-5 (for octahydrate)

Quality Control

Our Barium Hydroxide Hydrate is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity levels is provided with every shipment. We can supply material compliant with various industrial and technical grade standards upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids. Due to its hygroscopic nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture and carbon dioxide, which can degrade product quality. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	White crystalline powder or lumps
Identification (IR)	Conforms
Assay (as Ba(OH)₂·8H₂O)	≥ 98.0 %
Assay (as Ba(OH)₂·H₂O)	≥ 99.0 %
Carbonate (as BaCO₃)	≤ 1.0 %
Chloride (Cl)	≤ 0.005 %
Sulfate (SO₄)	≤ 0.005 %
Iron (Fe)	≤ 0.001 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.