What is Barium Hydroxide?

It is a chemistry substance the is also known together “Baryta”. That is a link of Barium, a soft silvery metal of the alkali planet group.

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It deserve to be produced by dissolving Barium Oxide (represented together BaO) in water. The is express by this chemical reaction:

BaO + 9 H2O → Ba(OH)2·8H2O

Chemical Formula

The chemistry formula because that 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 soluble In Water?

The solubility that Barium Hydroxide is center in water. However, this link is insoluble in acetone. In ~ room temperature, the can produce a solution. The Barium Hydroxide solution is found to have an almost right concentration the 0.1 mol dm-3.

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

Barium Hydroxide Properties

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


This is a secure compound. It is incompatible through carbon dioxide, acids, and moisture. That is important to stop making contact with this substance v incompatible materials.


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

Specific Gravity

The particular gravity that this substance is 2.18.

Melting Point

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

Boiling Point

The material boils at a temperature that 780 °C.

pH Value

The ph worth of barium hydroxide actually depends on its concentration. The said, the pH of this link is approximately -2. This shows that that is highly basic in nature.


It has actually a density of 2.18 per g cm-3

Molecular Formula

The molecule formula of Barium Hydroxide Octahydrate is BaH18O10.

Barium Hydroxide Octahydrate

This is a chemical compound that appears as a white crystalline powder. That is solid and also soluble in water. It has actually a melting point of 78 °C.

It is also known by various other names like

Barium hydrateBarium hydroxide8-hydrate

Barium Hydroxide Uses

It is offered for a variety of purposes, together as

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

It is likewise used in the sugar market for preparing sugar beet sugar.

Barium Hydroxide MSDS

The material Safety Data sheet (MSDS) for Barium Hydroxide is as follows:

Safety Measures

This substance have the right to be harmful if inhaled, swallowed, or even exposed to. Direct exposure to the skin, eyes or apparel can be dangerous. Hands need to be extensively washed after dealing with this material. If clothes come in call with this substance, castle should immediately be removed. Any an ar of skin exposed to this link should immediately be washed v cold water and also a light soap.


Prolonged exposure to this substance may an outcome in skin irritation. Lungs and also respiratory passages can be irritated by the dust of this material. Gulp down may cause a number of discomforting symptoms, together as

NauseaVomitingHeadacheDizzinessGastrointestinal irritation

Individuals v pre-existing conditions of the respiratory tract system, skin or eyes may become an ext susceptible to having one or much more of the previously mentioned symptoms.

Personal Safety

It is crucial to store this product safely to avoid any kind of spillage and fire hazards. Any fire started from this substance have the right to be managed by fire-extinguishers. People using this compound should wear security clothing and also use self-contained breathing apparatus to prevent call of this product with eyes, clothes, or skin.

Barium Hydroxide and Hydrochloric Acid

Barium Hydroxide is used for neutralizing Hydrochloric Acid. The chemical reaction between the 2 compounds is provided as:

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

Barium Hydroxide and also Sulfuric Acid

Barium Hydroxide is regularly used come neutralize Sulfuric Acid. The reaction is expressed with this representation:

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

The tiny amount that BaSO4 i m sorry is gained from the moderately soluble Ba(OH)2 coats and also precipitates the Ba(OH)2. As a result, the reaction in between H2SO4 and also Ba(OH)2 comes to a halt.

Barium Hydroxide and Ammonium Chloride

The neutralization reaction of solid hydrated barium hydroxide through solid ammonium chloride is endothermic in nature. The reaction to produce a liquid, add by a autumn in the temperature to around -20 °C. It is stood for as:

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

Barium Hydroxide and Ammonium Thiocyanate

This is an endothermic reaction that produces Barium Thiocyanate. That is expressed with this chemical reaction:

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

Barium Hydroxide Monohydrate

This chemical compound shows up as a white powder. It is also known by various other names like

Dried Barium HydroxideCaustic Baryta MonohydrateBarium Hydroxide 1-Hydrate

The link is provided for various purposes like

Purifying waterManufacturing oil additivesMaking lubricating substancesMaking barium-rich chemicals

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

Is Barium Hydroxide strong Or Weak Base?

This link is fairly soluble in water. That is related to as the just dibasic solid base. The is qualified of making litmus record blue and also can form salt and water top top reacting with acid.

Barium Hydroxide and also Nitric Acid

Barium Hydroxide reacts with Nitric mountain to develop a salt (Barium Nitrate) and water, together in the situation of standard acid-base reactions. The chemical reaction is express 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 through Carbon Dioxide to create Barium Carbonate. This is to express by the adhering to chemical reaction:

Ba(OH)2 + CO2 → BaCO3 + H2O.

Perchloric Acid and also Barium Hydroxide

Two molecule of Perchloric acid react with one molecule of barium hydroxide to create two molecule of water and also one molecule that Barium Perchlorate (also known simply as 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 either a heavy or a extremely dilute aqueous solution.

Acetic Acid and Barium Hydroxide

Two molecule of Acetic acid react through one molecule the Barium Hydroxide to form a salt (Barium Nitrate) along with water, like any other acid-base reaction. That is expressed as:

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

The reaction have the right to be made less complicated by substituting C2H3O2 v Ac. Thus replaced, the chemistry reaction might be provided as:

2 HAc + Ba(OH)2 → Ba(Ac)2 + 2H2O

Barium Hydroxide and also Phosphoric Acid

This acid-base neutralization reaction involves the joining of 3 molecules of Barium Hydroxide and two molecule of Phosphoric Acid. The formulaic depiction for this chemistry reaction is as follows:

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

It leads to the precipitation that Barium Phosphate. This have the right to be regarded as a “Double Replacement” reaction in i m sorry barium replaces hydrogen which consequently replaces barium.

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

Barium Hydroxide and also Ammonium Nitrate

Two molecule of aqueous Barium Hydroxide react through aqueous Ammonium Nitrate to kind aqueous solutions of Barium Nitrate, Ammonia, and also water. The chemistry reaction is offered as:

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

Ammonia might dissolve into the systems until saturated. It have the right to then evolve right into a gas, thereby completing the chemistry change.

Barium Hydroxide and also Ammonium Chloride

Solid ammonium chloride is mixed with heavy hydrated barium hydroxide in a maker to type Barium Chloride. Gas ammonia and also Hydrogen Hydroxide (water) room the other commodities resulting native this endothermic reaction. The temperature substantially drops to about -20 °C in this cool reaction.

The formulaic depiction of this reaction is together follows:

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

Barium Hydroxide Octahydrate and 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 simple gas that can be recognize by pH paper.

The equation because that this endothermic reaction is offered as:

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

This is one endothermic reaction the absorbs heat from the environment. This leader to a rapid drop in the temperature of this reaction, which deserve to be check out with the aid of a digital thermometer. It makes the beaker freeze to the wood board. This is the factor why the beaker must be rest on a tiny board with a few drops the water poured top top it.

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Barium Hydroxide is among the key compounds of Barium. Commercially, the is most commonly easily accessible as a white granular monohydrate.