Description

Magnesium Chloride Hexahydrate — De-Icing, Dust Control & Construction Industrial Chemical

Magnesium chloride hexahydrate is one of the most widely deployed multi-functional salts in industrial and municipal applications across India. Its remarkable ability to attract and retain moisture from the atmosphere makes it indispensable for dust suppression on unpaved roads, while its freezing point depression properties provide effective de-icing performance at temperatures well below the capacity of ordinary sodium chloride. In the construction sector, magnesium chloride serves as an accelerator for cold-weather concrete, a stabilizer for soil treatment, and a component of magnesium oxychloride cement formulations. Davar ChemTech supplies magnesium chloride in flake form from its Vadodara warehouse to a broad spectrum of industrial and municipal consumers nationwide.

The hygroscopic nature of magnesium chloride, while being its most valuable functional property, simultaneously presents one of the most significant procurement challenges. Magnesium chloride is deliquescent, meaning it will absorb enough atmospheric moisture to dissolve itself if exposed to humid conditions for sufficient duration. This characteristic demands that packaging provide an effective moisture barrier and that warehouse storage conditions minimize exposure to ambient humidity. Davar ChemTech addresses this requirement through heavy-duty PE-lined packaging with heat-sealed inner liners and moisture-controlled warehousing practices that preserve the product’s free-flowing condition from dispatch to delivery.

Key Technical Attributes

• Available in 33% and 46% MgCl2 hexahydrate flake grades, each optimized for specific application concentration requirements
• Highly hygroscopic and deliquescent — effectively attracts atmospheric moisture for dust suppression and ice prevention applications
• Freezing point depression to approximately -33°C in concentrated solutions, significantly outperforming sodium chloride in cold-climate de-icing
• Rapidly soluble in water, releasing magnesium ions that improve soil stability and provide essential plant nutrition in agricultural applications
• Supplied in 25 kg PE-lined PP bags and 50 kg HDPE drums; bulk Jumbo bags available for large-scale municipal and construction consumers
• Low sodium content variant available for applications where sodium chloride contamination must be minimized

Industrial Applications

Broad Application Spectrum

In dust suppression applications, magnesium chloride’s hygroscopic action provides a self-sustaining moisture management mechanism on unpaved road surfaces. When applied as a liquid spray or dissolved from solid flake deposits, magnesium chloride draws moisture from the atmosphere, maintaining a thin film of moisture on the road surface that binds fine dust particles and prevents them from becoming airborne. This action persists for weeks after application, reducing the frequency of re-treatment compared to water-only dust control methods. Mining operations, construction sites, and rural road maintenance authorities across India’s arid regions have adopted magnesium chloride as a cost-effective dust management solution. Davar ChemTech supplies flake-grade magnesium chloride specifically processed for rapid dissolution in mobile spray tank systems, enabling efficient on-site preparation of dust suppression solutions.

The de-icing performance of magnesium chloride surpasses that of sodium chloride (rock salt) in several important respects. While sodium chloride is effective only to approximately -12°C, magnesium chloride solutions remain effective down to approximately -33°C at eutectic concentration, making it suitable for cold-climate applications where sodium chloride alone is inadequate. Additionally, magnesium chloride produces less concrete spalling than sodium chloride, causing less damage to bridge decks and concrete road surfaces. The compound also exhibits residual melting action — magnesium chloride-treated surfaces resist refreezing for longer periods than sodium chloride-treated surfaces, reducing the frequency of reapplication. These advantages make magnesium chloride the preferred choice for airport runway de-icing and highway maintenance in northern and hill-state regions of India.

In construction, magnesium chloride serves a unique role as the primary chemical component of magnesium oxychloride cement, also known as Sorel cement. This non-hydraulic cement system, produced by reacting magnesium oxide with magnesium chloride solution, forms a dense, hard material with excellent fire resistance, low thermal conductivity, and good abrasion resistance. Magnesium oxychloride cement is used in industrial flooring, fire-resistant panels, and decorative architectural elements. The quality of the magnesium chloride directly influences the cement’s setting behavior and final physical properties — impurities such as excessive sulfate or sodium can reduce strength development and increase water sensitivity. Davar ChemTech supplies construction-grade magnesium chloride with controlled impurity profiles for Sorel cement production.

Technical Specifications

Storage, Handling & Safety

Magnesium chloride is highly hygroscopic and must be stored in a dry, covered warehouse with moisture-proof packaging. Bags should be stored on pallets with adequate spacing between stacks to allow air circulation. Prolonged exposure to humid conditions will cause the flakes to absorb moisture and eventually deliquesce, rendering the material difficult to handle and dose accurately. Workers should wear gloves when handling magnesium chloride, as prolonged skin contact can cause dryness and irritation due to the compound’s desiccant properties. Eye contact should be treated with immediate flushing using clean water for at least 15 minutes. Magnesium chloride is not classified as hazardous under standard chemical regulations, but its corrosivity to metals (particularly in concentrated solution form) requires that storage and handling equipment be constructed from corrosion-resistant materials such as HDPE, stainless steel 316, or fiberglass-reinforced plastic.

Distribution & Fulfillment

From our Vadodara headquarters, Davar ChemTech dispatches magnesium chloride consignments to municipal corporations, highway authorities, mining operations, and construction companies across India. We understand the seasonal nature of de-icing demand and work with customers to establish pre-season stockpiling arrangements that ensure product availability when winter conditions arrive. For dust suppression applications in arid regions, we offer scheduled delivery programs that align with seasonal dust generation patterns. Our logistics network covers all major industrial states, and our documentation package — including test certificates, MSDS, and GST-compliant invoicing — meets the requirements of both government procurement agencies and private sector industrial consumers.

Why Choose Davar ChemTech

Davar ChemTech’s magnesium chloride supply capability is defined by three core strengths: packaging integrity that preserves product quality in transit, moisture-controlled warehousing that prevents deterioration during storage, and a distribution network that delivers to your location on schedule. We recognize that magnesium chloride’s value lies entirely in its physical condition when it reaches your facility — partially dissolved or caked material is a supply chain failure, not just a quality issue. Our packaging systems and handling protocols are specifically designed for hygroscopic materials, providing the assurance that the product you receive will perform exactly as expected in your application.

Planning your magnesium chloride requirements for de-icing, dust control, or construction? Contact Davar ChemTech for seasonal supply programs, competitive pricing, and reliable pan-India delivery.