What is Barium Hydroxide?

It is a chemical substance that is additionally known as “Baryta”. It is a link of Barium, a soft silvery steel of the alkali earth group.

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It have the right to be created by dissolving Barium Oxide (represented as BaO) in water. It is expressed by this chemical reaction:

BaO + 9 H2O → Ba(OH)2·8H2O

Chemical Formula

The chemistry formula for Barium Hydroxide is Ba(OH)2.

Molar Mass

The molar mass of Barium Hydroxide is

171.34 g/mol (in Anhydrous solutions)189.355 g/mol (Monohydrate)315.46 g/mol (Octahydrate)

Is Barium Hydroxide dissolve In Water?

The solubility that Barium Hydroxide is moderate in water. However, this compound is insoluble in acetone. At room temperature, that can develop a solution. The Barium Hydroxide systems is discovered to have an approximate concentration of 0.1 mol dm-3.

photo 1 – Barium Hydroxide Source – flourish2010.en.made-in-china.com

Barium Hydroxide Properties

The physical and chemical properties of this compound room as follows:


This is a secure compound. The is incompatible with carbon dioxide, acids, and moisture. It is important to prevent making call with this substance v incompatible materials.


This is a crystalline substance the can range from white to transparent in appearance.

Specific Gravity

The details gravity that this problem is 2.18.

Melting Point

The problem melts in ~ a temperature that 408 °C.

Boiling Point

The product boils in ~ a temperature of 780 °C.

pH Value

The ph value of barium hydroxide actually counts on that concentration. That said, the pH that this compound is around -2. This suggests that the is highly straightforward in nature.


It has a thickness of 2.18 every g cm-3

Molecular Formula

The molecular formula that Barium Hydroxide Octahydrate is BaH18O10.

Barium Hydroxide Octahydrate

This is a chemical compound that shows up as a white crystalline powder. The is solid and also soluble in water. It has actually a melting suggest of 78 °C.

It is also known by other names like

Barium hydrateBarium hydroxide8-hydrate

Barium Hydroxide Uses

It is offered for a variety of purposes, together as

In production alkaliIn constructing glassIn synthetic rubber vulcanizationIn corrosion inhibitorsAs drilling fluids, pesticides and lubricantsFor boiler scale remedyFor refining vegetable and also animal oilsFor fresco paintingIn softening waterAs one ingredient that homeopathic remediesTo clean increase acidic spills

It is also used in the sugar industry for preparing beet sugar.

Barium Hydroxide MSDS

The product Safety Data sheet (MSDS) because that Barium Hydroxide is as follows:

Safety Measures

This substance can be harmful if inhaled, swallowed, or even exposed to. Straight exposure to the skin, eye or apparel can be dangerous. Hands need to be completely washed after taking care of this material. If clothes come in contact with this substance, they should automatically be removed. Any an ar of skin exposed to this link should instantly be washed through cold water and also a irradiate soap.


Prolonged exposure to this substance may result in skin irritation. Lungs and also respiratory passages have the right to be excited by the dust of this material. Sloop down may lead to a number of discomforting symptoms, such as

NauseaVomitingHeadacheDizzinessGastrointestinal irritation

Individuals with pre-existing problems of the respiratory system, skin or eyes may become an ext susceptible to having actually one or an ext of the abovementioned symptoms.

Personal Safety

It is crucial to save this product safely to avoid any spillage and also fire hazards. Any fire began from this substance deserve to be controlled by fire-extinguishers. Individuals using this compound need to wear safety clothing and also use self-contained breathing apparatus to prevent contact of this product with eyes, clothes, or skin.

Barium Hydroxide and Hydrochloric Acid

Barium Hydroxide is provided for neutralizing Hydrochloric Acid. The chemical reaction between the two compounds is given as:

Ba(OH)2 (aqueous) + 2HCl (aqueous) –> BaCl2 (aqueous) + 2H2O (liquid)

Barium Hydroxide and Sulfuric Acid

Barium Hydroxide is frequently used to neutralize Sulfuric Acid. The reaction is expressed with this representation:

Ba(OH)2(solid) + H2SO4(aqueous) → BaSO4(solid) + 2H2O(liquid)

The little amount of BaSO4 i beg your pardon is acquired from the moderately soluble Ba(OH)2 coats and also precipitates the Ba(OH)2. As a result, the reaction between H2SO4 and also Ba(OH)2 comes to a halt.

Barium Hydroxide and Ammonium Chloride

The neutralization reaction of heavy hydrated barium hydroxide through solid ammonium chloride is endothermic in nature. The reaction produces a liquid, accompanied by a drop in the temperature to about -20 °C. The is represented as:

Ba(OH)2 (aqueous) + 2NH4Cl (aqueous) → BaCl2 (aqueous) + 2NH3 (gaseous) + HOH (liquid).

Barium Hydroxide and also Ammonium Thiocyanate

This is one endothermic reaction the produces Barium Thiocyanate. That is expressed v this chemistry reaction:

Ba(OH)2.8H2O (solid) + 2 NH4SCN (solid) → Ba(SCN)2 (solid) + 10 H2O (liquid) + 2 NH3 (gaseous).

Barium Hydroxide Monohydrate

This chemistry compound appears as a white powder. It is also known by various other names like

Dried Barium HydroxideCaustic Baryta MonohydrateBarium Hydroxide 1-Hydrate

The compound is used for miscellaneous purposes like

Purifying waterManufacturing oil additivesMaking lubricating substancesMaking barium-rich chemicals

Skin contact, inhalation, or gulp down of this material can cause dangerous wellness hazards. In acute cases, fatality may also occur. This is a non-inflammable substance however can decompose top top exposure to heat and also produce toxic and/or corrosive flames. It need to be save on computer in containers in a cool, dry ar and constantly kept away from heat. Otherwise, containers might explode in a cook environment.

Is Barium Hydroxide solid Or Weak Base?

This link is rather soluble in water. That is concerned as the only dibasic solid base. The is qualified of make litmus file blue and can form salt and water top top reacting with acid.

Barium Hydroxide and also Nitric Acid

Barium Hydroxide reacts with Nitric acid to create a salt (Barium Nitrate) and also water, together in the case of classic acid-base reactions. The chemical reaction is expressed as:

2HNO3(aqueous Nitric acid) + Ba(OH)2(aqueous Barium Hydroxide) → Ba(NO3)2(aqueous Barium Nitrate) + 2H2O(water)

Barium Hydroxide and Carbon Dioxide

Ba(OH)2 reacts v Carbon Dioxide to develop Barium Carbonate. This is to express by the following chemical reaction:

Ba(OH)2 + CO2 → BaCO3 + H2O.

Perchloric Acid and Barium Hydroxide

Two molecules of Perchloric mountain react with one molecule that barium hydroxide to develop two molecules of water and also one molecule of Barium Perchlorate (also recognized simply together Barium Chlorate). The reaction is express as

Ba(OH)2 + 2 HClO4 (aqueous) → Ba(ClO4)2 (aqueous) + 2 H2O (liquid).

Barium hydroxide provided in this reaction is one of two people a heavy or a highly dilute aqueous solution.

Acetic Acid and also Barium Hydroxide

Two molecule of Acetic acid react v one molecule the Barium Hydroxide to kind a salt (Barium Nitrate) together with water, like any type of other acid-base reaction. That is to express as:

2 CH3COOH + Ba(OH)2 → Ba(C2H3O2)2 + 2H2O

The reaction can be made much easier by substituting C2H3O2 v Ac. For this reason replaced, the chemical reaction might be provided as:

2 HAc + Ba(OH)2 → Ba(Ac)2 + 2H2O

Barium Hydroxide and Phosphoric Acid

This acid-base neutralization reaction involves the authorized of three molecules of Barium Hydroxide and also two molecules of Phosphoric Acid. The formulaic depiction for this chemical reaction is together follows:

3 Ba(OH)2 + 2 H3PO4 → Ba3(PO4)2 + 6H2O

It leader to the precipitation the Barium Phosphate. This deserve to be concerned as a “Double Replacement” reaction in i m sorry barium replace instead replace hydrogen which subsequently replaces barium.

3 Ba(OH)2 + 2 H3PO4 → Ba3(PO4)2 + 6HOH

Barium Hydroxide and Ammonium Nitrate

Two molecules of aqueous Barium Hydroxide react v aqueous Ammonium Nitrate to form aqueous options of Barium Nitrate, Ammonia, and water. The chemical reaction is given as:

Ba(OH)2 (aqueous) + 2 NH4NO3 (aqueous) → Ba(NO3)2 (aqueous) + 2 NH3 (aqueous) + 2 H2O (liquid).

Ammonia may dissolve right into the systems until saturated. It deserve to then evolve right into a gas, in order to completing the chemical change.

Barium Hydroxide and Ammonium Chloride

Solid ammonium chloride is combined with solid hydrated barium hydroxide in a maker to kind Barium Chloride. Gas ammonia and also Hydrogen Hydroxide (water) room the other products resulting indigenous this endothermic reaction. The temperature dramatically drops to approximately -20 °C in this cool reaction.

The formulaic representation of this reaction is as follows:

Ba(OH)2 (aqueous) + 2NH4Cl (aqueous) → BaCl2 (aqueous) + 2NH3 (gaseous) + HOH (liquid)

Barium Hydroxide Octahydrate and also Ammonium Thiocyanate

Ammonium Thiocyanate (NH4SCN) is blended with heavy Barium Hydroxide Octahydrate (Ba(OH)2.8H2O) to create Barium Thiocyanate. The acid-base reaction produce a basic gas that deserve to be detected by pH paper.

The equation for this endothermic reaction is provided as:

Ba(OH)2.8H2O(solid) + 2 NH4SCN(solid) → Ba(SCN)2(s ) + 10 H2O(liquid) + 2 NH3(gaseous).

This is an endothermic reaction that absorbs warmth from the environment. This leader to a quick drop in the temperature of this reaction, which have the right to be review with the assist of a digital thermometer. It makes the beaker frozen to the wooden board. This is the reason why the beaker have to be rested on a small board v a couple of drops of water poured top top it.

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Barium Hydroxide is among the main compounds the Barium. Commercially, that is many commonly accessible as a white granular monohydrate.