Barium Chloride

Industrial Grade — Bulk supply across India & International Markets

What is Barium Chloride?

Barium Chloride (BaCl2) is an inorganic salt that occurs as a white crystalline solid, highly soluble in water. It is one of the most commonly used water-soluble barium compounds in industry, valued for applications ranging from metal heat treatment to pigment manufacturing and analytical chemistry. As with all soluble barium compounds, it requires careful handling due to its toxicity, but remains an important industrial chemical when used with appropriate safety controls.

Polychem Industries supplies Industrial Grade Barium Chloride to heat treatment facilities, pigment manufacturers, water treatment plants, and analytical laboratories across India and internationally, with full safety documentation provided for proper handling. Its specific chemical reactivity with sulphate ions and its role in metal heat treatment salt baths make it a valuable specialty industrial chemical.

Toxicity Notice

Barium Chloride is toxic if ingested and can cause serious health effects including cardiac and neuromuscular disturbances. It should be handled only by trained personnel with appropriate PPE, stored securely away from food-grade materials, and used strictly in accordance with safety data sheet guidance. Keep away from unauthorised access.

Available Grades

GradeFormPurityStandardApplications
Industrial GradeWhite crystalline powder99%+ (Industrial Grade)IndustrialHeat treatment salts, pigments, water treatment, analytical reagent

Applications & Uses

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Heat Treatment Salt Baths

Used as a component in molten salt baths for the heat treatment of steel and other metals, providing controlled heat transfer characteristics for processes including hardening, tempering, and case hardening operations in the metalworking industry.

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Pigment Manufacturing

Used as a raw material in the production of certain pigments, including barium-based lake pigments, where it reacts with other compounds to form insoluble coloured precipitates used in paint and ink formulations.

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Water & Wastewater Treatment

Used in certain water treatment processes to remove sulphate ions from water through precipitation as insoluble barium sulphate, which is useful in specific industrial water treatment scenarios requiring sulphate reduction.

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Analytical Chemistry Reagent

Widely used as an analytical reagent for the qualitative and quantitative determination of sulphate ions in solution, forming a characteristic white barium sulphate precipitate that is a standard test in analytical chemistry.

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Case Hardening of Steel

Used in certain case hardening processes for steel components, contributing to the carburising salt bath compositions used to harden the surface of steel parts while maintaining a tougher core.

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Specialty Chemical Manufacturing

Used as a raw material in the production of other barium compounds and in various specialty chemical synthesis applications requiring a soluble barium ion source.

Technical Specifications

Barium Chloride — Key Properties

Chemical FormulaBaCl2.2H2O
CAS Number10361-37-2
Molecular Weight244.26 g/mol (dihydrate)
AppearanceWhite crystalline powder
Purity99%+ (Industrial Grade)
Melting Point963°C (anhydrous)
Density / Bulk DensityBulk density: 1.0–1.2 g/cm3
pH5.0 – 7.0 (5% solution)
Packaging Available25 kg / 50 kg bags
StorageStore in cool, dry place away from moisture, in clearly labelled, sealed containers. Toxic — restrict access to authorised personnel only.

Why Source Barium Chloride from Polychem Industries?

  • Industrial grade with full quality and safety documentation
  • Certificate of Analysis and comprehensive MSDS available on request
  • Reliable bulk supply for heat treatment and analytical applications
  • Experienced in handling and shipping regulated industrial chemicals
  • Competitive pricing with consistent quality
  • Export documentation experience including hazardous material shipping

Frequently Asked Questions

Why does Barium Chloride require special handling precautions?
Barium Chloride and other soluble barium salts are toxic if ingested, as barium ions can interfere with potassium channels in the body, potentially causing serious cardiac and neuromuscular effects. For this reason, Barium Chloride should only be handled by trained personnel with appropriate PPE, stored securely, and used strictly according to safety data sheet guidance, with particular care taken to prevent accidental ingestion or contamination of food-grade materials.
How is Barium Chloride used to test for sulphates?
In analytical chemistry, adding Barium Chloride solution to a sample containing sulphate ions produces a characteristic white precipitate of Barium Sulphate (BaSO4), which is highly insoluble in water. This reaction is a standard qualitative test for the presence of sulphate ions and can also be used quantitatively through gravimetric analysis of the precipitate formed.
What role does Barium Chloride play in heat treatment salt baths?
In metal heat treatment, Barium Chloride is sometimes used as a component of molten salt bath mixtures, often in combination with other chloride salts, to achieve specific melting point and heat transfer characteristics needed for particular heat treatment processes such as case hardening or specialised tempering operations.
Do you export Barium Chloride outside India?
Yes. We export to Bangladesh, Sri Lanka, Nepal, Bhutan, and South Africa with full export documentation, including all required hazardous material shipping documentation given its toxicity classification. Contact us for export pricing and lead times.

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