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Sodium Sulphate
Original price was: $ 0.90.$ 0.79Current price is: $ 0.79.
Sodium Sulphate (Na₂SO₄) is a white crystalline powder or granule, odorless and highly soluble in water. This 25kg packaged product is widely used in detergents, glass manufacturing, chemical industries, and pulp and paper processing. It acts as a filler, bulking agent, and drying agent, with excellent stability and non-reactivity under standard storage conditions. Its cost-effectiveness and availability make it an essential raw material in many industrial processes.
Sodium Sulphate
Primary Uses
- Detergent Industry
- Filler and Builder: Used as a filler in powdered laundry detergents to improve flow and bulk.
- Water Softening: Helps soften water, enhancing detergent effectiveness.
- Formulation Ingredient: Acts as a carrier for other detergent components.
- Glass Manufacturing
- Glass Batch Ingredient: Used as a fluxing agent to lower melting temperature in glass production.
- Opacifier: Enhances opacity in specialty glasses and enamels.
- Pulp & Paper Industry
- Kraft Pulping Process: Used in recovery boilers as part of the chemical recovery cycle.
- Paper Finishing: Employed as a filler to improve paper brightness and opacity.
- Chemical Industry
- Sodium Source: Serves as a raw material for manufacturing sodium compounds like sodium sulfide and sodium silicate.
- Salt Bath in Dyeing: Used in textile dyeing as a leveling agent.
- Textile Industry
- Dye Fixation: Facilitates uniform dye absorption in fabric processing.
- Scouring Agent: Aids in removal of natural oils and waxes from fibers.
- Pharmaceutical Industry
- Excipient: Occasionally used as a bulking agent in tablet formulations.
- Food Industry
- Food Additive: Employed as a processing aid, stabilizer, or anti-caking agent (E514).
- Freeze-Drying Agent: Used in certain freeze-drying processes.
Secondary Uses
- Thermal Storage
- Phase Change Material (PCM): Used in thermal energy storage due to its high heat capacity.
- Agriculture
- Soil Amendment: Occasionally applied to improve sulfate levels in deficient soils.
- Tanning Industry
- Leather Processing: Used in soaking and deliming steps.
- Environmental Applications
- Wastewater Treatment: Employed to precipitate heavy metals and adjust ionic strength.
- Laboratory & Research
- Desiccant: Used to dry organic solvents and gases.
- Reagent: Used in analytical chemistry for sulfate determination.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Sodium sulfate
- Common/Trade Name: Sodium sulphate, Glauber's salt (decahydrate form)
- CAS Number: 7757-82-6
- HS Code: 2833.23.00
- Synonyms: Glauber's salt (anhydrous and decahydrate), Sodium sulfate decahydrate
2. Physical & Chemical Properties
- Physical State: White crystalline powder or granules
- Color & Odor: White; odorless
- Solubility: 19.5 g/100 mL water at 20°C
- Density: 2.66 g/cm³ (anhydrous)
- Melting Point: 884 °C (decomposes)
- pH (1% solution): Neutral to slightly alkaline (~7-9)
- Hydration States: Anhydrous and decahydrate (Glauber's salt)
3. Safety & Hazard Attributes
- GHS Classification: Not classified as hazardous
- Toxicity: LD₅₀ (oral, rat) > 2000 mg/kg
- Exposure Limits: No specific occupational exposure limit; use general dust limits
- Corrosivity: Non-corrosive
4. Storage & Handling Attributes
- Storage Conditions: Store in dry, cool, well-ventilated area away from moisture
- Container Type: 25kg polypropylene or paper bags with polyethylene lining
- Shelf Life: Indefinite if kept dry and sealed
- Handling Precautions: Avoid dust generation; use proper respiratory protection if dusty
5. Regulatory & Compliance Attributes
- REACH Registered
- FDA Approved (Food additive E514)
- Complies with OSHA Hazard Communication Standard
- Not classified as hazardous for transport
6. Environmental & Health Impact
- Biodegradability: Inorganic salt; not biodegradable but environmentally benign
- Ecotoxicity: Low toxicity to aquatic organisms at typical concentrations
- Bioaccumulation: Not expected
- Aquatic Impact: Excess sulfate can affect aquatic ecosystems if discharged in large quantities
Safety Handling Precautions
- PPE Required: Gloves, dust mask, safety goggles recommended during bulk handling
- Handling Guidelines: Avoid inhalation of dust; ensure good ventilation
- Storage Measures: Keep containers tightly closed and dry
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if irritation persists
- Skin Contact: Wash with soap and water
- Eye Contact: Rinse immediately with plenty of water for at least 15 minutes; seek medical advice if irritation occurs
- Ingestion: Rinse mouth; seek medical advice if large quantities ingested
Firefighting Measures
- Fire Hazards: Non-flammable; does not support combustion
- Extinguishing Media: Use extinguishing media appropriate to surrounding fire
- Hazardous Combustion Products: None known
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