SODA ASH DENSE

Soda ash dense is a high-purity sodium carbonate grade valued for its strong alkalinity, high bulk density, and efficient handling characteristics.
Soda ash dense is widely used in glass production, detergents, water treatment, chemical processing, and metallurgical applications.
Soda ash dense's dense granular form supports consistent dosing, reduced dust generation, and reliable performance in large-scale industrial operations.

CAS Number: 497-19-8
EC Number: 207-838-8
Molecular Formula: Na2CO3
Molecular Weight: 105.99 g/mol

Synonyms: Soda Ash, Carbonic acid disodium salt, Sodium carbonate, anhydrous, Soda Ash Dense, Dense Soda Ash, Sodium Carbonate, Anhydrous Sodium Carbonate, Disodium Carbonate, Carbonic Acid Disodium Salt, Sodium Carbonate Anhydrous, Dense Sodium Carbonate, Heavy Soda Ash, Soda Ash Heavy, Calcined Soda, Calcined Sodium Carbonate, Industrial Sodium Carbonate, Alkali Soda, Carbonate of Soda, Na₂CO₃

Soda ash dense is a chemical compound with molecular formula CNa2O3 and molecular weight 105.988 g/mol.
Soda ash dense is widely used as an industrial chemical and specialty reagent.

Soda ash dense is the trade name for sodium carbonate or washing soda.
Soda ash dense is a chemical substance white in colour and its aqueous solution is clear and colorless (chemical formula Na₂CO₃).

Soda ash dense is synthetically produced in large quantities from salt (sodium chloride) and limestone by a method known as the Solvay process.
Soda ash dense appears as a while, odorless powder with a strong alkaline taste.

Soda ash dense dissolves in 30g/100ml of water at 20˚C.
Soda ash dense raises the pH of pool water and neutralizes acidic components due to its high alkaline content.

Soda ash dense is undoubtedly the most important of all alkali metal salts from an industrial perspective.
Soda ash dense is found as a mineral in certain marine plants and some rocks.

Soda ash dense's deposits are located in Africa and Asia.
In the Solvay method, currently used for the production of Soda ash dense, a saturated sodium chloride solution is treated first with ammonia and then with carbon dioxide, and the sodium carbonate produced in this way is called Solvay soda.

Soda ash dense is a high-density grade of sodium carbonate widely used as an alkaline raw material in glass manufacturing, detergents, chemicals, metallurgy, and water treatment.
Soda ash dense is typically supplied as a white granular solid with good flowability, relatively low dust formation, and high sodium carbonate content.
Soda ash dense's dense particle structure makes it especially suitable for large-scale industrial processes requiring efficient handling, consistent dosing, and reliable alkalinity control.

Soda ash dense, an alkali chemical refined from the mineral trona or naturally occurring sodium carbonate-bearing brines the mineral nahcolite.
After getting soda ash light in the Solvay process, the dehydration continues to obtain a product with higher density.
Additionally, by proceeding dehydration, the sodium carbonate crystals’ size grows larger.

Soda ash dense, a high-density form of Sodium Carbonate (Na₂CO₃), is designed for industrial applications requiring greater bulk density, structural integrity, and minimal dust generation.
Soda ash dense's superior flowability and robust granulation make it ideal for processes where clean handling and consistent performance are critical.

Typical uses include glass manufacturing, which is essential for producing flat, float, container glass, andgent formulations to enhance cleaning power.
Additionally, Soda ash dense is utilized in chemical processing, metallurgy, and other industrial sectors like ceramics, dyes, and textiles.
Soda ash dense is available in 50 kg, or large jumbo bags.

Soda ash dense is an inorganic compound with the chemical formula Na₂CO₃.
Soda ash dense appears as a white, granular material with higher bulk density compared to soda ash light, resulting from different crystallization and processing methods that produce larger, more compact particles.

Like soda ash light, Soda ash dense is highly soluble in water and exhibits strongly alkaline properties.
Soda ash dense is primarily produced through the Solvay process or extracted from natural trona ore deposits, with the dense form achieved through specific crystallization conditions or mechanical densification processes.
The higher bulk density reduces dust generation and provides handling advantages in certain industrial applications.

Soda ash dense offers the same chemical properties as soda ash light but with different physical characteristics that make it preferable for specific applications requiring reduced dust, better flow properties, or more efficient transportation and storage.
Soda ash dense's alkalinity, reactivity with acids, and ability to modify pH and water hardness establish it as a fundamental industrial chemical.

Major sectors utilizing Soda ash dense include glass manufacturing, chemical production, detergents, metallurgy, water treatment, and various industrial processes.
The choice between soda ash dense and light typically depends on handling requirements, processing equipment, and specific application needs rather than chemical differences.

Soda ash dense is a basic inorganic chemical raw material.
Soda ash dense appears as white powder or crystals, soluble in water with slight heat release, and its aqueous solution is weakly alkaline.

With high purity (industrial grade ≥99.2%, food grade ≥99.8%), low impurity content, stable chemical properties and no strong corrosiveness, Soda ash dense only has mild irritation to skin and mucous membranes.
Soda ash dense possesses excellent fluxing, buffering and detergency properties, can react with acids and salts, and is compatible with various processing technologies such as high-temperature calcination and dissolution blending.

Fully compliant with Chinese national standards including GB/T 210.1 (industrial grade) and GB 1886.1-2021 (food grade), as well as international standards like RoHS and REACH, it is classified into industrial grade, food grade, pharmaceutical grade and other series based on applications.
Soda ash dense is an indispensable core raw material in glass manufacturing, chemical synthesis, building materials processing, food processing, water treatment and other industries.

Applications of Soda Ash Dense:
Soda ash dense is extensively used in the manufacture of flat glass, container glass, fiberglass, and other silicate-based products.
Soda ash dense serves as an important alkaline raw material in detergents, soaps, and cleaning formulations, helping control pH and improve washing performance.

In water treatment, Soda ash dense is used for pH adjustment, alkalinity control, and water softening processes.
Soda ash dense is also applied in chemical manufacturing for the production of sodium compounds, silicates, bicarbonates, and various inorganic chemicals.

In metallurgy and mineral processing, soda ash dense can be used as a fluxing or processing aid.
Soda ash dense's high bulk density and good flow characteristics make it particularly suitable for continuous industrial operations, bulk storage, and automated dosing systems.

Soda ash dense mainly used as making soaps and detergents, where it is employed as a builder, or filler, to give a smoother surface.
Production of chemicals such as sodium silicate, sodium bicarbonate and percarbonate, and sodium chromate and dichromate.

Soda ash dense is also used as Pulp and paper manufacture.
Soda ash dense is used at process of water treatment, and effluent treatment.
And finally used at metallurgy and drugs.

Soda ash dense is used in the whitening of laundry, especially curtains.
Soda ash dense precipitates ions that cause hardness in water as carbonates, removing them from the environment.
In this way, Soda ash dense is used as a fabric softener in washing machines.

Soda ash dense is the most important chemical used in glass production.
Sand and soda are combined, heated to very high temperatures, and then cooled rapidly.
This is how glass is produced.

In the textile industry, when reactive dyes are used, Soda ash dense is used to create a bond between the dye and the fiber.

As a food additive, Soda ash dense acts as an acid regulator, anti-caking agent, and stabilizer.
Soda ash dense is used in the production of syrup powder.

In brick making, Soda ash dense acts as a wetting agent, thus requiring less water when extruding clay.

Soda ash dense is used as a foaming agent in toothpaste.
Soda ash dense creates friction and raises the pH of the mouth.

Glass Manufacturing:
Soda ash dense is extensively used in glass production as a critical flux that lowers the melting point of silica, the primary glass-forming component.
The dense form is often preferred in automated glass manufacturing facilities due to its superior flow properties, reduced dust generation during handling, and more consistent feed rates in batch preparation systems.

Metallurgical Applications:
In metallurgy and metal processing, soda ash dense is utilized in various refining and treatment operations.
Soda ash dense serves as a flux in aluminum recycling and secondary aluminum production, helping to remove impurities and improve metal quality.
Soda ash dense is employed in non-ferrous metal extraction and refining processes, including copper smelting and precious metal recovery operations where it acts as a flux and slag modifier.

Water Treatment and Industrial Processes:
Soda ash dense is widely employed in water treatment applications for pH adjustment, alkalinity control, and water softening.
Municipal and industrial water treatment facilities use it to neutralize acidic water, raise pH to optimal levels for corrosion control, and provide buffering capacity in treatment processes.
The dense form is often preferred in automated chemical feed systems due to its superior flow characteristics and reduced tendency to bridge or cake in storage hoppers and feed equipment.

Benefits of Soda Ash Dense:

Higher Storage and Transport Efficiency:
With nearly double the bulk density of light soda ash, dense soda ash allows for reduced warehouse space and lower shipping costs per ton.

Reduced Dust Hazards:
The granular form significantly lowers airborne dust, improving worker safety and reducing dust-related equipment maintenance.

Improved Process Efficiency:
Dense granules feed evenly into continuous industrial systems, minimizing flow interruptions and ensuring consistent chemical reactions.

Better Environmental Performance:
Less dust also means lower fugitive emissions in production and handling facilities.

Manufacturing of Soda Ash Dense:
Soda ash dense is typically converted to dense soda ash by adding sufficient water or sodium carbonate solution to recrystallize the light soda ash as coarse sodium carbonate monohydrate.
The recrystallized coarse sodium carbonate monohydrate particles are then calcined into dense soda ash.

Soda ash dense is also produced using the ammonia-alkali processing.
However, the processing involves solid-phase water method, evaporation method, and the carbonization method.
And also, Natural alkali is used as raw material for this process.

Stability and Reactivity of Soda Ash Dense:

Chemical Stability:
Stable under normal temperatures and recommended storage conditions.

Reactivity:
Reacts with acids, releasing carbon dioxide gas.
Solutions are alkaline and may react with certain metals and incompatible chemicals.

Conditions to Avoid:
Excessive moisture, strong acids, unnecessary dust generation, and prolonged exposure to humid conditions.

Incompatible Materials:
Strong acids, certain metals, and moisture-sensitive reactive substances.

Handling and Storage of Soda Ash Dense:

Safe Handling:
Avoid breathing dust and prevent prolonged contact with skin and eyes.
Use appropriate ventilation during transfer, mixing, or bulk handling.

Storage Conditions:
Store in a cool, dry, well-ventilated area in tightly closed containers.
Protect from moisture and keep separate from acids and incompatible materials.

First Aid Measures of Soda Ash Dense:

Inhalation:
Move the affected person to fresh air.
Seek medical attention if coughing, irritation, or breathing discomfort persists.

Skin Contact:
Wash thoroughly with soap and plenty of water.
Remove contaminated clothing.

Eye Contact:
Rinse cautiously with clean water for several minutes and obtain medical attention if irritation continues.

Ingestion:
Rinse mouth and drink water if the person is conscious.
Seek medical advice if significant quantities are swallowed or symptoms develop.

Firefighting Measures of Soda Ash Dense:

Suitable Extinguishing Media:
Soda Ash Dense is not combustible.
Use an extinguishing medium appropriate for the surrounding fire.

Special Hazards:
Heating or contact with acids may release carbon dioxide.
Thermal decomposition at very high temperatures may produce sodium-containing decomposition products.

Protective Equipment:
Firefighters should wear suitable protective clothing and self-contained breathing apparatus when required by surrounding fire conditions.

Accidental Release Measures of Soda Ash Dense:

Personal Precautions:
Avoid dust formation, ensure adequate ventilation, and wear suitable protective equipment.

Cleanup Methods:
Sweep, vacuum, or collect the material carefully and transfer it into an appropriate dry container for reuse or disposal.

Environmental Precautions:
Prevent large uncontrolled releases into drains, surface waters, and soil.

Exposure Controls/Personal Protective of Soda Ash Dense:

Engineering Controls:
Provide adequate general ventilation and local exhaust ventilation where dust may be generated.

Eye Protection:
Wear safety glasses or chemical-resistant goggles.

Hand Protection:
Use suitable protective gloves, especially during prolonged handling.

Skin Protection:
Wear appropriate work clothing to minimize repeated or prolonged contact.

Respiratory Protection:
Use suitable particulate respiratory protection when airborne dust cannot be adequately controlled.

Identifiers of Soda Ash Dense:
Product Name: Sodium Carbonate (Heavy Soda) (Soda Ash Dense)
Chemical Formula: Na2CO3
Cas No: 497-19-8
EINESC No: 207-838-8
UN No: Not subject to transport regulations
Physical Properties: White Solid Powder
Odor: Odorless
Molecular Weight: 106 g/mol
Density: 0.96-1.06 g/cm3
Solubility: Soluble in water

Retired Product No: 732781
Grade: Technical
Certification: Kosher, NSF
Form: Granular
Prohibited Uses: For intended use only
Appearance: solid
Bulk Density: 0.70 - 1.12 g/cm3
Color: white
Flash Point: does not flash
Melting Point: 851 - 854 °C (1564 - 1569 °F)
Odor: odourless
Partition Coefficient: Pow: log Pow:
pH: 11.3 - 11.4
Relative Density: 2.52 - 2.53 @ 20 - 25 °C (68 - 77 °F) Reference Material: (water = 1)
Thermal Decomposition: 400 °C (752 °F)

IUPAC Name: Disodium Carbonate
CAS Number: 497-19-8
EC Number: 207-838-8
Molecular Formula: Na₂CO₃
Molecular Weight: 105.99 g/mol

Properties of Soda Ash Dense:
Appearance: White granular or crystalline solid
Odor: Odorless
Molecular Formula: Na₂CO₃
Molecular Weight: 105.99 g/mol
Density: approx. 2.53 g/cm³
Bulk Density: Typically about 0.9–1.2 g/cm³
Solubility in Water: Highly soluble
pH: Strongly alkaline in aqueous solution, typically around 11–12
Melting Point: approx. 851°C

Molecular Formula: CNa2O3
Molecular Weight: 105.988 g/mol
Appearance: white power
Boiling Point: 1600°C
Density: 2.53

Specifications of Soda Ash Dense:
Parameter: Typical Value
Na₂CO₃ content: ≥ 99.2%
Bulk density: 0.95–1.06 g/cm³
Moisture content: ≤ 0.15%
Particle size: 0.25–0.80 mm (90% min)
Insoluble matter: ≤ 0.05%