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Sodium Carbonate (Magadi Soda)
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Sodium Carbonate (Magadi Soda) is an inorganic white powder with the chemical formula Na₂CO₃. It is a key industrial alkali used in glass manufacturing, water treatment, and chemical production. This light-density form is highly soluble and reacts with acids to form salts, making it essential for pH regulation and as a cleaning agent in various industrial processes.
Description
Sodium Carbonate (Magadi Soda)
Primary Uses
- Glass Manufacturing
- Lowers melting point of silica in glass production (70% of global use).
- Improves chemical durability of glass products.
- Chemical Production
- Precursor for sodium compounds (bicarbonate, silicates, phosphates).
- pH regulator in chemical synthesis processes.
- Water Treatment
- Softens hard water by precipitating calcium/magnesium ions.
- Neutralizes acidic wastewater streams.
- Detergents & Cleaners
- Key ingredient in powdered detergents and laundry boosters.
- Degreases surfaces in industrial cleaning formulations.
- Pulp & Paper
- Pulping agent in kraft process for paper production.
- pH adjuster in bleaching operations.
Secondary Uses
- Food Industry
- pH control agent in food processing (E500).
- Water softener in beverage production.
- Textile Processing
- Scouring agent for wool and cotton fibers.
- Fixes dyes to fabrics.
- Metallurgy
- Flux in smelting operations.
- Extracts tungsten from ores.
- Swimming Pools
- Raises pH and alkalinity of pool water.
- Photography
- pH buffer in developing solutions.
KEY PRODUCT FEATURES
1. Basic Identification Attributes
- Chemical Name (IUPAC): Sodium carbonate
- Common/Trade Name: Soda Ash Light, Washing Soda
- CAS Number: 497-19-8
- HS Code: 2836.20.00
- Synonyms: Disodium carbonate, Carbonic acid disodium salt
2. Physical & Chemical Properties
- Physical State: White crystalline powder
- Color & Odor: White; odorless
- Solubility: 22 g/100 mL water (20°C)
- Density: 2.54 g/cm³
- pH: 11.5 (1% solution)
3. Safety & Hazard Attributes
- GHS Classification: Skin/Eye Irritant (Category 2)
- Toxicity: LD₅₀ 4,000 mg/kg (oral, rat)
- Exposure Limits: TWA 2 mg/m³ (respirable dust)
4. Storage & Handling Attributes
- Storage Conditions: Dry, well-ventilated area
- Container Type: Poly-lined bags or fiber drums
- Shelf Life: Indefinite if kept dry
- Handling Precautions: Use dust mask and goggles
5. Regulatory & Compliance Attributes
- FDA 21 CFR 184.1742 (food-grade)
- REACH registered
- Meets FCC and USP standards
6. Environmental & Health Impact
- Biodegradability: Not applicable (inorganic)
- Ecotoxicity: LC₅₀ >100 mg/L (fish)
- Bioaccumulation: None
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- PPE Required: Gloves, goggles, dust respirator
- Handling Guidelines: Avoid dust generation
- Storage Measures: Separate from acids
First Aid Measures
- Inhalation: Move to fresh air
- Skin Contact: Wash with plenty of water
- Eye Contact: Rinse for 15 minutes
- Ingestion: Rinse mouth, drink water
Firefighting Measures
- Fire Hazards: Non-combustible
- Extinguishing Media: Water spray
- Hazardous Combustion Products: None
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Hydrochloric Acid
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Sodium Hydrosulphite
Sodium Hydrosulphite, also known as sodium dithionite, is a white to yellowish powder with a strong reducing property. It is highly soluble in water and decomposes readily, releasing sulfur dioxide and sulfites. Widely used as a powerful reducing agent and bleaching agent, it finds applications in textile processing, paper and pulp industries, water treatment, and chemical manufacturing. Its ability to break down colored compounds makes it ideal for decolorization and cleaning processes.
