Barium hydroxide is a chemical compound with the chemical formula Ba(OH)2. The monohydrate, known as baryta or baryta-water, is one of the principal compounds of barium. This white granular monohydrate is the usual commercial form and octahydrate is generally use in laboratories.
General Properties and Specifications of Barium Hydroxide:
Appearance: White crystalline powder.
Assay: 98%
Barium Carbonate: <2%
Melting point: >300C for monohydrate.
Solubility: Appreciable solubility in water.
Barium Hydroxide Octahydrate Analytical Reagent Grade Specifications:
Ba(OH)2-8H2O
Formula Weight 315.46
CAS Number 12230-71-6
REQUIREMENTS
Assay: 98.0% Ba(OH)2-8H2O
MAXIMUM ALLOWABLE
Carbonate (as BaCO3): 2.0%
Insoluble in dilute hydrochloric acid: 0.01%
Chloride (Cl): 0.001%
Sulfide (S): Passes test
Calcium (Ca): 0.05%
Potassium (K): 0.01%
Sodium (Na): 0.01%
Strontium (Sr): 0.8%
Heavy metals (as Pb): 5 ppm
Iron (Fe): 0.001%
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