Barium(2+) dichloride

Cat. No.: B8815432

M. Wt: 208.23 g/mol

InChI Key: WDIHJSXYQDMJHN-UHFFFAOYSA-L

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Overview

1. Description

4. Synthesis routes and methods I

2. Scientific research applications

5. Synthesis routes and methods II

3. Properties

6. Disclaimer

Description

Scientific Research Applications

Analytical Chemistry

Gravimetric Determination of Sulfates

Barium dichloride is primarily used in analytical chemistry for the gravimetric determination of sulfate ions. In this process, a solution containing sulfate ions is treated with barium dichloride, resulting in the formation of barium sulfate, which precipitates out of solution. This reaction can be represented as follows:

\text{BaCl}_2(aq)+\text{SO}_4^{2-}(aq)\rightarrow \text{BaSO}_4(s)+2\text{Cl}^-(aq)

The precipitate is then filtered, dried, and weighed to determine the sulfate content in the original sample. This method is widely employed due to its accuracy and reliability in quantifying sulfate concentrations in various samples, such as water and soil .

Industrial Applications

Purification of Brine Solutions

In industrial settings, barium dichloride is utilized for the purification of brine solutions in caustic chlorine plants. It helps remove impurities that can affect the quality of chlorine produced . Additionally, it plays a role in the manufacturing of heat treatment salts used in metal processing.

Production of Pigments

Barium dichloride serves as a precursor for producing various pigments, including Lithol red and Red Lake C. These pigments are used in paints and coatings due to their vibrant colors and stability .

Oil and Gas Industry

In the oil and gas sector, barium compounds are essential for creating drilling muds. Barium sulfate, derived from barium dichloride, is commonly used to enhance the density of drilling fluids, aiding in the lubrication and cooling of drill bits during operations .

Environmental Applications

Water Treatment

Barium dichloride is employed in water treatment processes to remove sulfate ions from wastewater. Its ability to precipitate barium sulfate makes it effective in reducing sulfate levels to meet environmental regulations .

Case Study 1: Barium Chloride Toxicity Management

A recent case study highlighted the toxic effects of barium dichloride when ingested. The study documented a fatal case of barium chloride poisoning, emphasizing the importance of handling this compound with care due to its high toxicity levels. The report noted that while barium sulfate is safe for ingestion, other forms such as barium chloride are bioavailable and pose significant health risks .

Case Study 2: Industrial Use in Drilling Fluids

Another study focused on the application of barium sulfate derived from barium dichloride in drilling fluids for oil extraction. The research demonstrated that using barium-based drilling muds improved drilling efficiency and reduced equipment wear by providing better lubrication compared to traditional fluids .

Summary Table of Applications

Application Area	Specific Use	Chemical Reaction/Process
Analytical Chemistry	Gravimetric determination of sulfates	$\text{BaCl}_2+\text{SO}_4^{2-}\rightarrow \text{BaSO}_4+2\text{Cl}^-$
Industrial Production	Purification of brine solutions	Removal of impurities
	Production of pigments	Synthesis of Lithol red
Oil & Gas Industry	Drilling muds	Enhances density and lubricates drill bits
Environmental Science	Water treatment	Precipitation of barium sulfate

Properties

Molecular Formula	BaCl2
Molecular Weight	208.23 g/mol
IUPAC Name	barium(2+);dichloride
InChI	InChI=1S/Ba.2ClH/h;2*1H/q+2;;/p-2
InChI Key	WDIHJSXYQDMJHN-UHFFFAOYSA-L
SMILES	[Cl-].[Cl-].[Ba+2]
Canonical SMILES	[Cl-].[Cl-].[Ba+2]
Origin of Product	United States

Synthesis routes and methods I

Procedure details

Aqueous solutions of barium chloride (0.1 mol/1) and sulfuric acid (0.1 mol/1) were prepared by dissolving 24.675 gm of barium chloride (special reagent grade) and 10.100 gm of sulfuric acid (special reagent grade) into 1,000 gm of ion-exchanged water. The two solutions were heated at 30° C., followed by the reaction in the same manner as in Example 1 at pH 5.8 to obtain 19.5 gm of barium sulfate powder.

Name

barium chloride

Quantity

24.675 g

Type

reactant

Reaction Step One

Name

sulfuric acid

Quantity

10.1 g

Type

reactant

Reaction Step One

[Compound]

Name

ion-exchanged

Quantity

0 (± 1) mol

Type

reactant

Reaction Step One

Name

water

Quantity

0 (± 1) mol

Type

solvent

Reaction Step One

Name

barium chloride

Name

sulfuric acid

Name

barium sulfate

Details

Synthesis routes and methods II

Procedure details

Aqueous solutions of barium chloride (0.008 mol/1) and sulfuric acid (0.005 mol/1) were prepared by dissolving 1.974 gm of barium chloride (special reagent grade) and 0.505 gm of sulfuric acid (special reagent grade) into 1,000 gm of ion-exchanged water. Each solution was heated at 70° C. The barium chloride solution was added dropwise over a period of 10 minutes to the sulfuric acid solution, while the latter was stirred at 1,000 rpm by a U-shaped blade. After the addition, the mixture was stirred for a further 3 minutes to complete the reaction. The mixture was kept at pH 3.5 during the reaction. After cooling to the room temperature, the reaction mixture was filtered through a 5C filter paper, washed with water, and dried at 105° C. for 2 hours to obtain 1.12 gm of barium sulfate powder.

Name

barium chloride

Quantity

1.974 g

Type

reactant

Reaction Step One

Name

sulfuric acid

Quantity

0.505 g

Type

reactant

Reaction Step One

[Compound]

Name

ion-exchanged

Quantity

0 (± 1) mol

Type

reactant

Reaction Step One

Name

water

Quantity

0 (± 1) mol

Type

solvent

Reaction Step One

Name

barium chloride

Quantity

0 (± 1) mol

Type

reactant

Reaction Step Two

Name

sulfuric acid

Quantity

0 (± 1) mol

Type

reactant

Reaction Step Two

Name

barium chloride

Name

sulfuric acid

Name

barium sulfate

Details

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Please be aware that all articles and product information presented on BenchChem are intended solely for informational purposes. The products available for purchase on BenchChem are specifically designed for in-vitro studies, which are conducted outside of living organisms. In-vitro studies, derived from the Latin term "in glass," involve experiments performed in controlled laboratory settings using cells or tissues. It is important to note that these products are not categorized as medicines or drugs, and they have not received approval from the FDA for the prevention, treatment, or cure of any medical condition, ailment, or disease. We must emphasize that any form of bodily introduction of these products into humans or animals is strictly prohibited by law. It is essential to adhere to these guidelines to ensure compliance with legal and ethical standards in research and experimentation.

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