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Calcium Sulphate Dihydrate

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 Calcium Sulphate Dihydrate, commonly known as gypsum, is a naturally occurring mineral widely used in agriculture, construction, and various industrial processes. It appears as a white or slightly translucent crystalline powder with moderate solubility in water. The compound is primarily used as a soil conditioner to improve soil structure and supply calcium and sulfur nutrients essential for plant growth. It also finds applications in the manufacture of plaster, cement, and as a filler in various products.

Description

Calcium Sulphate Dihydrate

Primary Uses

  1. Agriculture
  • Used as a soil conditioner to improve soil aeration and water penetration.
  • Supplies essential calcium and sulfur nutrients for crop health and yield improvement.
  • Helps reduce soil alkalinity and mitigate sodium toxicity in sodic soils.
  1. Construction
  • Utilized as a key ingredient in plaster, drywall, and cement formulations.
  • Provides fire resistance and improves workability of construction materials.
  1. Industrial Applications
  • Used as a filler and extender in paints, plastics, and adhesives.
  • Employed in food processing as a firming agent and coagulant (subject to regulatory approvals).

Secondary Uses

  1. Pharmaceuticals
  • Used as an excipient in tablet formulations and medical gypsum casts.
  1. Scientific and Educational Uses
  • Used in laboratory settings for soil and mineral studies.
  • Employed in educational demonstrations involving crystallization and mineralogy.
KEY PRODUCT FEATURES

1. Basic Identification Attributes

  • Botanical Source: Mineral (non-biological)
  • Common/Trade Name: Calcium Sulphate Dihydrate
  • INCI Name: Calcium Sulfate
  • CAS Number: 10101-41-4
  • HS Code: 2520.10
  • Synonyms: Gypsum, Hydrated Calcium Sulfate

2. Physical & Chemical Properties

  • Physical State: Fine crystalline powder
  • Color & Odor: White to off-white; odorless
  • Solubility: Slightly soluble in water (approx. 0.24 g/100 mL at 20°C)
  • Density: Approx. 2.32 g/cm³
  • Shelf Life: 36 months under proper storage

3. Safety & Hazard Attributes

  • GHS Classification: Generally considered non-hazardous
  • Toxicity: Low toxicity; safe under recommended use
  • Allergen Information: Non-irritant
  • Exposure Limits: No established occupational limits

4. Storage & Handling Attributes

  • Storage Conditions: Store in a dry, well-ventilated area, away from moisture
  • Container Type: Sealed polyethylene bags or moisture-resistant containers
  • Shelf Life: 36 months when stored properly
  • Handling Precautions: Avoid dust inhalation; use protective mask if handling large quantities

5. Regulatory & Compliance Attributes

  • Complies with food-grade and industrial-grade standards where applicable
  • Manufactured in GMP-compliant facilities

6. Environmental & Health Impact

  • Biodegradability: Not applicable (mineral)
  • Ecotoxicity: Low environmental impact; avoid release in large quantities to water bodies
  • Bioaccumulation: Not expected
SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

  • PPE Required: Dust mask, gloves, and protective eyewear when handling powder
  • Handling Guidelines: Minimize dust generation; ensure good ventilation

First Aid Measures

  • Inhalation: Move to fresh air; seek medical attention if symptoms persist
  • Skin Contact: Wash with soap and water if irritation occurs
  • Eye Contact: Rinse thoroughly with water; consult a physician if irritation persists
  • Ingestion: Rinse mouth; seek medical advice if discomfort occurs

Firefighting Measures

  • Fire Hazards: Non-flammable
  • Extinguishing Media: Use appropriate extinguishing media for surrounding fire
  • Special Precautions: None required
  • Hazardous Combustion Products: None known