Buying Guide: Barium Chloride Dihydrate

Reagent Grade White Crystalline Powder Barium Chloride Dihydrate (BaCl₂·2H₂O)
If Barium Chloride Dihydrate is a critical raw material in your industrial, laboratory, or chemical processing operations, this guide provides all the essential insights to ensure smart, safe, and efficient procurement.
What is Barium Chloride Dihydrate?
Barium Chloride Dihydrate (BaCl₂·2H₂O) is an inorganic salt consisting of barium and chloride ions with two molecules of water of crystallization. It appears as white, crystalline granules or powder and is highly soluble in water, making it ideal for chemical synthesis and industrial processing.
Due to its strong reactivity with sulfate ions, Barium Chloride is widely used in water treatment, laboratory analysis, pigments, and metallurgy.
How to Identify Barium Chloride Dihydrate

Common Identifiers and Forms:
-
Appearance: White crystalline powder or granules
-
CAS Number: 10326-27-9
-
Molecular Formula: BaCl₂·2H₂O
-
Molecular Weight: 244.26 g/mol
-
EINECS No.: 233-788-1
-
Solubility: Highly soluble in water; insoluble in alcohol
-
Odor: Odorless
Chemical Properties of Barium Chloride Dihydrate
| Property |
Specification |
| Form |
Crystalline powder |
| Color |
White |
| Purity |
≥99% (varies by grade) |
| pH (5% solution) |
5.0 – 8.0 |
| Solubility in Water |
37.5 g/100 mL at 20°C |
| Barium (Ba²⁺) Content |
Approx. 58% (as BaCl₂·2H₂O) |
| Melting Point |
Decomposes at 962°C |
| Density |
3.86 g/cm³ |
| Odor |
Odorless |
Applications of Barium Chloride Dihydrate

1. Water Treatment
2. Laboratory & Analytical Chemistry
3. Metallurgy
4. Pigments & Dyes
5. Explosives and Fireworks
Grades of Barium Chloride Dihydrate
| Grade |
Use Case |
Key Features |
| Industrial Grade |
Water treatment, metallurgy |
Cost-effective, meets technical specs |
| Analytical/Reagent Grade |
Laboratory, chemical testing |
High purity, guaranteed accuracy |
| Technical Grade |
Dyes, pigments, explosives |
Moderate purity with low insolubles |
| Pharma/Custom Grade |
Specialty chemical synthesis |
Ultra-low heavy metal content |
Is Barium Chloride Dihydrate a Reducing Agent?

No. Barium Chloride is not a reducing agent. It is an ionic compound that dissociates into Ba²⁺ and Cl⁻ ions but does not participate in electron-donating redox reactions.
Is Barium Chloride Dihydrate Toxic?
Yes, Barium Chloride is toxic if ingested or inhaled, especially due to the solubility of barium ions, which can interfere with potassium channels in the body.
Safety Measures:
-
Always wear PPE (mask, gloves, goggles)
-
Handle in a well-ventilated area or fume hood
-
Store in sealed, labeled containers, away from acids and moisture
-
Refer to MSDS and local safety guidelines
Is Barium Chloride Flammable or Reactive?
-
Non-flammable under standard conditions
-
Reacts vigorously with sulfate compounds, acids, and oxidizers
-
Store away from strong acids and incompatible chemicals
Barium Chloride vs. Other Barium Salts
| Property |
Barium Chloride |
Barium Carbonate |
Barium Sulfate |
| Solubility in Water |
High |
Insoluble |
Virtually insoluble |
| Typical Use |
Reagent, water treatment |
Ceramics, bricks |
Fillers, medical imaging |
| Reactivity |
Highly reactive |
Mild |
Chemically inert |
| Toxicity Level |
High |
Moderate |
Low (due to low solubility) |
Purity Standards
| Grade |
Typical Purity |
Certifications/Notes |
| Industrial Grade |
≥99% |
Basic industrial applications |
| Reagent Grade |
≥99.5% |
ISO, ACS, or analytical lab standard |
| Custom Pharma/Tech |
≥99.9% |
Custom applications, minimal heavy metals |
Certifications may include ISO 9001, REACH, GHS compliance, and custom third-party analysis reports.
Price & Supplier Considerations
Price Influencing Factors:
-
Purity level and grade
-
Moisture content and packaging type
-
Country of origin and freight costs
-
Batch traceability and compliance documents
What to Look For in a Supplier:
-
Provides COA, MSDS, TDS
-
Guarantees batch-to-batch consistency
-
Properly sealed packaging (PE-lined bags or drums)
-
Stock availability and prompt logistics support
How to Buy Barium Chloride Dihydrate

1. Define Your Use Case
Is it for lab work, metallurgy, water purification, or pigment processing?
2. Select the Correct Grade
Match application needs with purity, moisture, and form (granular or powder)
3. Request Technical Documentation
Ensure the supplier provides COA, MSDS, and TDS
4. Trial Testing (Optional)
Lab or small-scale tests may be used to confirm reactivity and compatibility
5. Confirm Packaging Options
-
Standard: 25kg PE-lined woven bags
-
Bulk: 500kg / 1000kg jumbo sacks
-
Custom branding for large or export orders available
6. Choose a Reputable Supplier
Partner with experienced vendors offering regulatory-compliant, high-purity product and technical support
Conclusion
Barium Chloride Dihydrate is a highly soluble and reactive chemical with wide industrial and laboratory use. While it must be handled with care due to its toxicity, its performance in water treatment, analytical chemistry, and manufacturing makes it a critical compound across sectors.
To ensure optimal outcomes:
-
Use the correct grade and purity
-
Follow proper safety and storage protocols
-
Source from verified and certified suppliers