Sodium Sulfate Anhydrous
Sodium Sulfate Anhydrous
HS Code : 28331100 | CAS NO. : 7757-82-6
Basic Information:
- Chemical Name: Sodium Sulfate Anhydrous
- Formula: Na₂SO₄
- Molecular Weight: 142.04 g/mol
- Appearance: White crystalline powder or granules
- Odour: Odourless
- Taste: Slightly bitter saline taste
- Solubility: Soluble in water, insoluble in alcohol
Packing Details: • 500 g HDPE Bottle • 1 kg/2 kg HDPE Bottle • 5 kg HDPE Jar• 25 kg HDPE Bag / Drum • 50 kg HDPE Bag
Storage & Handling
- Store in a cool, dry and well-ventilated area
- Keep containers tightly closed to prevent contamination
- Protect from moisture and direct sunlight
- Avoid contact with strong acids
- Handle with basic protective equipment
Safety
- Generally low hazard material
- May cause mild irritation to eyes and skin
- Avoid inhalation of dust
- Use gloves and mask during handling
- In case of contact, rinse with water
Industry Wise Application
Cleaning & Detergent
- Filler in Powdered Detergents:It is largely used as a filler (extender) to add bulk and improve the flowability of powder laundry detergents.
- Performance Booster:It assists in maintaining even distribution of active surfactants and improves powder dissolution, without affecting the active cleaning agent.
- Anti-caking Agent:It keeps powder detergents from clumping during storage
Textile & Dyeing Industry
- Leveling Agent:Used to reduce the negative charge on fibers, allowing dyes to penetrate and distribute uniformly for consistent color.
- Dyeing Aid:It helps drive dye from the solution onto the fiber, driving efficiency and saving energy.
- Viscosity Control:Helps maintain correct bath consistency in dyeing operations.
Pulp & Paper Industry
- Kraft Process (Pulping Agent):Essential in the Kraft process for making wood pulp, where it is reduced to sodium sulfide to break down lignin and separate cellulose fibers.
- Chemical Recovery:Aids in the recovery of chemicals, improving sustainability
Glass & Ceramics Manufacturing
- Fining Agent:Removes small air bubbles (seeds) from molten glass, ensuring clarity and homogeneity.
- Flux Agent:Lowers the melting point of silica sand, reducing energy usage during glass production.
- Viscosity Control:Optimizes the flow of molten glass and ceramics
Laboratory & Chemical Processing
- Drying Agent/Desiccant:Used in organic chemistry labs to remove trace amounts of water from organic solvents (solvents are often dried until the sodium sulfate flows freely).
- Raw Material:Acts as a precursor for the manufacturing of other chemicals like sodium silicate and sodium sulfide.
Pharmaceuticals & Food
- Pharmaceutical Excipient:Used in medicines as a filler, carrier, or stabilizer in tablets and capsules.
- Osmotic Laxative:Used to treat fluid and electrolyte disturbances.
- Food Additive (E514):Functions as a firming agent, acidity regulator, and carrier for colorants
Other Applications
- Agriculture:Used as a source of sulfur and sodium to enhance soil quality and encourage crop growth.
- Construction:Used in concrete as an early strength agent, antifreeze agent, and grinding aid.
- Tannery:Serves as a sulfate neutralizer in the leather industry to remove fat and impurities
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